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Bogie BJM, Noël C, Alftieh A, MacDonald J, Lei YT, Mongeon J, Mayaud C, Dans P, Guimond S. Verbal memory impairments in mood disorders and psychotic disorders: A systematic review of comparative studies. Prog Neuropsychopharmacol Biol Psychiatry 2024; 129:110891. [PMID: 37931773 DOI: 10.1016/j.pnpbp.2023.110891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 11/08/2023]
Abstract
BACKGROUND Mood and psychotic disorders are both associated with verbal memory impairments. Verbal memory represents an important treatment target for both disorders. However, whether the neurocognitive and neurophysiological profiles of verbal memory impairments differ between specific disorders within these two diagnostic categories and healthy controls remains unclear. The current systematic review synthesized findings from comparative studies which used behavioural and neuroimaging tasks to investigate verbal memory impairments between: (1) mood disorder, psychotic disorder, and healthy control groups; and (2) mood disorder without psychotic features, mood disorder with psychotic features, and healthy control groups. METHODS The search strategy combined terms related to three main concepts: 'mood disorders', 'psychotic disorders', and 'verbal memory'. Searches were executed in Embase, MEDLINE, PsycInfo, and PubMed databases. A total of 38 articles met the full eligibility criteria and were included in the final narrative synthesis. Findings were stratified by memory domain (overall composite score, verbal working memory, immediate recall, delayed recall, and recognition memory) and by illness phase (acute and non-acute). RESULTS Mood and psychotic disorders displayed consistent verbal memory impairments compared to healthy controls during the acute and non-acute phases. Few significant differences were identified in the literature between mood and psychotic disorders, and between mood disorders with and without psychotic features. Individuals with schizophrenia were found to have decreased immediate and delayed verbal recall performance compared to bipolar disorder groups during the acute phase. Major depressive disorder groups with psychotic features were also found to have decreased delayed verbal recall performance compared to those without psychosis during the acute phase. No consistent differences were identified between mood and psychotic disorders during the non-acute phase. Finally, preliminary evidence suggests there may be functional abnormalities in important frontal and temporal brain regions related to verbal memory difficulties in both mood and psychotic disorders. DISCUSSION The current findings have potential implications for the diagnosis and treatment of cognitive impairments in mood and psychotic disorders. Verbal recall memory may serve as a sensitive tool in the risk stratification of cognitive impairments for certain mood and psychotic disorders. Moreover, since no widespread differences between clinical groups were identified, the evidence supports providing targeted interventions for verbal memory, such as pharmacological and non-pharmacological interventions, through a trans-diagnostic approach in mood and psychotic disorders.
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Affiliation(s)
- Bryce J M Bogie
- MD/PhD Program, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada; Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada; The Royal's Institute of Mental Health Research, Royal Ottawa Mental Health Centre, Ottawa, ON, Canada
| | - Chelsea Noël
- Department of Psychology, Lakehead University, Thunder Bay, ON, Canada
| | - Ahmad Alftieh
- The Royal's Institute of Mental Health Research, Royal Ottawa Mental Health Centre, Ottawa, ON, Canada
| | - Julia MacDonald
- The Royal's Institute of Mental Health Research, Royal Ottawa Mental Health Centre, Ottawa, ON, Canada; Department of Neuroscience, Carleton University, Ottawa, ON, Canada
| | - Ya Ting Lei
- Department of Psychoeducation and Psychology, Université du Québec en Outaouais, Gatineau, QC, Canada
| | - Jamie Mongeon
- The Royal's Institute of Mental Health Research, Royal Ottawa Mental Health Centre, Ottawa, ON, Canada
| | - Claire Mayaud
- Department of Psychology, University of Bordeaux, France
| | - Patrick Dans
- Temerty Centre, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Synthia Guimond
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada; The Royal's Institute of Mental Health Research, Royal Ottawa Mental Health Centre, Ottawa, ON, Canada; Department of Psychoeducation and Psychology, Université du Québec en Outaouais, Gatineau, QC, Canada; Department of Psychiatry, University of Ottawa, Ottawa, ON, Canada.
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Terhoeven V, Faschingbauer S, Huber J, Herzog W, Friederich HC, Simon JJ, Nikendei C. Verbal memory following weight gain in adult patients with anorexia nervosa: A longitudinal study. EUROPEAN EATING DISORDERS REVIEW 2023; 31:271-284. [PMID: 36397677 DOI: 10.1002/erv.2956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 10/19/2022] [Accepted: 10/27/2022] [Indexed: 11/19/2022]
Abstract
BACKGROUND Patients with Anorexia Nervosa (AN) show a moderate deficit in overall neuropsychological functioning. Since previous studies on memory performance mainly employed cross-sectional designs, the present study aims to investigate changes in verbal memory following weight-gain. METHODS Verbal memory was assessed with the Wechsler Memory Scale-Revised (WMS-R; 'logical memory'-story-recall-subtest) and the California Verbal Learning Test-II (CVLT-II; 'verbal learning'). Included were 31 female patients with AN (18 restricting-, 13 purging-subtype; average disease duration: 5.1 years; average baseline BMI: 14.4 kg/m2 ) and 24 medication-free normal-weight healthy women adjusted for age at baseline (T0). In a post-treatment assessment of approx. 6 weeks with weight increase (T1), 18 patients with AN and 20 healthy women were assessed again. Group differences in verbal memory (i.e., WMS-R, CVLT-II) were assessed for the baseline comparisons with a multivariate ANOVA and longitudinal data were analysed with repeated measures (RM) ANOVAs. RESULTS At baseline, patients with AN as compared to healthy women displayed deficits in logical memory. In the follow-up assessment, patients with AN improved their logical memory significantly compared to healthy controls (p < 0.006). Furthermore, groups did not differ in verbal learning neither before nor after inpatient treatment. CONCLUSIONS Enhanced logical memory in patients with AN following weight-gain is probably due to the impaired memory as compared to healthy controls at T0. A survivorship bias could explain the improved memory performance in longitudinal data in contrast to cross-sectional studies. Patients with AN with poorer memory performance before inpatient treatment are at higher risk to drop out and need support.
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Affiliation(s)
- Valentin Terhoeven
- Department for General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Heidelberg, Germany
| | - Sandra Faschingbauer
- Department for General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Heidelberg, Germany
| | - Julia Huber
- Institute of Medical Psychology, Center for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany
| | - Wolfgang Herzog
- Department for General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Heidelberg, Germany
| | - Hans-Christoph Friederich
- Department for General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Heidelberg, Germany
| | - Joe J Simon
- Department for General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Heidelberg, Germany
| | - Christoph Nikendei
- Department for General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Heidelberg, Germany
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Arulsamy K, Delaney L. The impact of automatic enrolment on the mental health gap in pension participation: Evidence from the UK. JOURNAL OF HEALTH ECONOMICS 2022; 86:102673. [PMID: 36323183 DOI: 10.1016/j.jhealeco.2022.102673] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 02/24/2022] [Accepted: 08/16/2022] [Indexed: 06/16/2023]
Abstract
A large body of evidence shows that individuals with poor mental health have lower income over the lifespan but a dearth of evidence exists on how poor mental health affects savings behaviour. In this paper, we provide novel evidence of a mental health gap in pension participation in the UK using nationally representative longitudinal data from Understanding Society (UKHLS). Beginning in 2012, the UK government introduced automatic enrolment enabling us to assess the impact of one of the largest pension policy reforms in the world on this mental health gap. We measure mental health using the General Health Questionnaire (GHQ-12) which is a commonly used tool for measuring psychological distress. Prior to automatic enrolment, we find that male private sector employees with poor mental health are 3.7 percentage points less likely to participate in a workplace pension scheme while female private sector employees with poor mental health are 2.9 percentage points less likely to participate after controlling for key observables including age, education, race, marital status, number of children, occupation type, industry type, presence of a physical health condition and cognitive ability. The implementation of automatic enrolment removes the mental health gap in pension participation, equalising the pension participation rates of individuals with and without poor mental health in the private sector.
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Affiliation(s)
- Karen Arulsamy
- School of Economics & Geary Institute for Public Policy, University College Dublin, Ireland.
| | - Liam Delaney
- Department for Psychological and Behavioural Science, London School of Economics, United Kingdom.
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Girtler N, Chincarini A, Brugnolo A, Doglione E, Orso B, Morbelli S, Massa F, Peira E, Biassoni E, Donniaquio A, Grisanti S, Pardini M, Arnaldi D, Nobili F. The Free and Cued Selective Reminding Test: Discriminative Values in a Naturalistic Cohort. J Alzheimers Dis 2022; 87:887-899. [DOI: 10.3233/jad-215043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: Neuropsychological assessment is still the basis for the first evaluation of patients with cognitive complaints. The Free and Cued Selective Reminding Test (FCSRT) generates several indices that could have different accuracy in the differential diagnosis between Alzheimer’s disease (AD) and other disorders. Objective: In a consecutive series of naturalistic patients, the accuracy of the FCSRT indices in differentiating patients with either mild cognitive impairment (MCI) due to AD or AD dementia from other competing conditions was evaluated. Methods: We evaluated the accuracy of the seven FCSRT indices in differentiating patients with AD from other competing conditions in 434 consecutive outpatients, either at the MCI or at the early dementia stage. We analyzed these data through the receiver operating characteristics curve, and we then generated the odds-ratio map of the two indices with the best discriminative value between pairs of disorders. Results: The immediate and the delayed free total recall, the immediate total recall, and the index of sensitivity of cueing were the most useful indices and allowed to distinguish AD from dementia with Lewy bodies and psychiatric conditions with very high accuracy. Accuracy was instead moderate in distinguishing AD from behavioral variant frontotemporal dementia, vascular cognitive impairment, and other conditions. Conclusion: By using odd-ratio maps and comparison-customized cut-off scores, we confirmed that the FCSRT represents a useful tool to characterize the memory performance of patients with MCI and thus to assist the clinician in the diagnosis process, though with different accuracy values depending on the clinical hypothesis.
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Affiliation(s)
- Nicola Girtler
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | | | - Andrea Brugnolo
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | | | - Beatrice Orso
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Silvia Morbelli
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
- Department of Health Science (DISSAL), University of Genoa, Italy
| | - Federico Massa
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Enrico Peira
- Istituto Nazionale di Fisica Nucleare (INFN), Genova, Italy
| | - Erica Biassoni
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Andrea Donniaquio
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Stefano Grisanti
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Matteo Pardini
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Dario Arnaldi
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Flavio Nobili
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
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Marabini L, Pazzaglini C, Bonazzi S, Guasti P, Guerra G, Zurlo A, Zuliani G, Brombo G. Depressive symptoms and cognitive/functional status in a sample of elderly subjects referring to a memory clinic. JOURNAL OF GERONTOLOGY AND GERIATRICS 2022. [DOI: 10.36150/2499-6564-n382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Varghese S, Frey BN, Schneider MA, Kapczinski F, de Azevedo Cardoso T. Functional and cognitive impairment in the first episode of depression: A systematic review. Acta Psychiatr Scand 2022; 145:156-185. [PMID: 34758106 DOI: 10.1111/acps.13385] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 10/27/2021] [Accepted: 11/07/2021] [Indexed: 12/11/2022]
Abstract
OBJECTIVES To describe the cognitive and functional impairment in individuals with the first episode of major depressive disorder (MDD) as compared to controls and individuals with recurrent MDD. Also to describe the functional and cognitive trajectory after the first episode of MDD. METHODS A total of 52 studies were included in our systematic review. 32 studies compared the cognitive performance between first episode of depression (FED) and controls, 11 studies compared the cognitive performance between recurrent depression (RD) and FED, 10 compared global functioning between RD and FED, four studies assessed cognition in FED over time, and two studies assessed global functioning in FED over time. RESULTS The majority of studies (n = 22/32, 68.8%) found that FED subjects performed significantly worse than controls on cognitive tests, with processing speed (n = 12) and executive/working memory (n = 11) being the most commonly impaired domains. Seven out of 11 studies (63.6%) found that RD performed significantly worse than FED, with verbal learning and memory being the most commonly impaired domain (n = 4). Most studies (n = 7/10, 70%) did not find a significant difference in global functioning between RD and FED. In three of four longitudinal studies assessing cognition, subgroup analyses were used instead of directly assessing cognition in FED over time while the remaining study found significant cognitive declines over time in FED when compared to controls. The two longitudinal studies assessing functional trajectory found that functioning significantly improved over time, possibly due to the improvement of depressive symptoms. CONCLUSION There is strong evidence that cognitive impairment is present during the first episode of depression, and individuals with multiple episodes display greater cognitive impairment than individuals with a single episode. Future studies aimed at identifying predictors of cognitive and functional impairment after the first episode of depression are needed to describe the functional and cognitive trajectory of individuals with the first episode of MDD over time.
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Affiliation(s)
- Shawn Varghese
- Undergraduate Medical Education (UGME), McMaster University, Hamilton, Ontario, Canada
| | - Benicio N Frey
- Mood Disorders Program, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada.,Women's Health Concerns Clinic, St. Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada
| | - Maiko A Schneider
- Mood Disorders Program, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada.,Youth Wellness Centre, St. Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada
| | - Flavio Kapczinski
- Mood Disorders Program, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada.,Instituto Nacional de Ciência e Tecnologia Translacional em Medicina (INCT-TM), Porto Alegre, Rio Grande do Sul, Brazil.,Bipolar Disorder Program, Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil.,Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Taiane de Azevedo Cardoso
- Mood Disorders Program, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada
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Sumiyoshi T, Hoshino T, Mishiro I, Hammer-Helmich L, Ge H, Moriguchi Y, Fujikawa K, Fernandez JL. Prediction of residual cognitive disturbances by early response of depressive symptoms to antidepressant treatments in patients with major depressive disorder. J Affect Disord 2022; 296:95-102. [PMID: 34597893 DOI: 10.1016/j.jad.2021.09.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 08/16/2021] [Accepted: 09/12/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Patients with major depressive disorder (MDD) frequently retain cognitive disturbances after recovery from mood symptoms. We investigated the relationship between early response of mood symptoms and/or remission, and residual cognitive disturbances after 6 months of antidepressant treatment. METHODS 518 patients with MDD were followed up for 6 months after antidepressant treatment initiation (first-line or switch from a previous drug). Subjective and objective cognitive disturbances were assessed by the Perceived Deficits Questionnaire - Depression (PDQ-D) and digit symbol substitution test (DSST), respectively. Depressive symptoms, as well as remission and early response to treatment, were assessed using the Montgomery-Asberg Depression Rating Scale (MADRS). Multivariable linear and logistic regression models were used to adjust for confounders. RESULTS Early response of depressive mood (≥50% reduction in MADRS score at month 1) was related with fewer residual subjective cognitive symptoms, as evaluated by the PDQ-D at month 6 (p<0.001). Likewise, early remission status at month 2 was inversely associated with PDQ-D scores at month 6 (p<0.001). Among patients with baseline DSST scores of ≥1 standard deviation below the norm, early response/remission was associated with better performance on the DSST at month 6 (p<0.05). LIMITATIONS The cohort may not be representative of the general MDD patient population, and the possible influence of concomitant medications was not evaluated. CONCLUSIONS These findings suggest that early improvements in depressive symptoms predict better cognitive outcomes in patients with MDD. Grouping of patients by mood and cognition status in early stages of antidepressant treatments may facilitate efforts to improve long-term functional outcomes.
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Affiliation(s)
- Tomiki Sumiyoshi
- Department of Preventive Intervention for Psychiatric Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan.
| | - Tatsuya Hoshino
- Japan Medical Office, Takeda Pharmaceutical Company Limited, Tokyo, Japan
| | - Izumi Mishiro
- Japan Medical Office, Takeda Pharmaceutical Company Limited, Tokyo, Japan
| | | | - Holly Ge
- Health Economics & Epidemiology Statistics, Lundbeck Singapore Pte Limited, Singapore
| | | | - Keita Fujikawa
- Japan Medical Office, Takeda Pharmaceutical Company Limited, Tokyo, Japan
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Joodaki M, Radahmadi M, Alaei H. Comparing the Therapeutic Effects of Crocin, Escitalopram and Co-Administration of Escitalopram and Crocin on Learning and Memory in Rats with Stress-Induced Depression. Malays J Med Sci 2021; 28:50-62. [PMID: 34512130 PMCID: PMC8407799 DOI: 10.21315/mjms2021.28.4.6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 04/10/2021] [Indexed: 10/27/2022] Open
Abstract
Background Depression affects various brain functions. According to previous studies, escitalopram influences brain functions in depression and crocin reduces memory impairments. Therefore, this study aimed to compare the therapeutic effects of using crocin and escitalopram (separately and in combination) on learning and memory in rats with stress-induced depression. Methods Fifty-six rats were allocated into seven groups of control, sham, continuous depression, recovery period, daily injections of escitalopram, crocin and escitalopram-crocin during 14 days after inducing depression by stress. Passive avoidance (PA) test was used to assess brain functions. Results Latency has significant differences in depression group. Also, it significantly increased in depression-crocin, depression-escitalopram and depression-escitalopram-crocin groups compared to the depression group. The dark stay (DS) time was significantly higher in the depression and depression-recovery groups. However, the DS time significantly decreased in the depression-crocin, depression-escitalopram and depression-escitalopram-crocin groups. Furthermore, the number of entrances to the dark room was significantly lower in depression-crocin and depression-escitalopram-crocin groups compared to the depression one. Conclusion Different depression treatments (i.e. crocin, escitalopram and crocin-escitalopram) reduced depression-induced memory deficits. Crocin and escitalopram-crocin, respectively, improved brain functions and locomotor activity more than escitalopram. Comparatively, in subjects with depression, crocin, which is an effective saffron constituent, partially affected the memory deficits better than escitalopram (as a chemical component).
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Affiliation(s)
- Mehran Joodaki
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Maryam Radahmadi
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hojjatallah Alaei
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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Zurlo MC, Ruggiero M. Assessing Pragmatic Language Skills in Adults with Major Depressive Disorder: An Exploratory Study. Psychopathology 2021; 54:78-91. [PMID: 33690229 DOI: 10.1159/000513270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Accepted: 11/20/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION There is increasing evidence that major depressive disorder (MDD) is associated with significant pragmatic language impairments. However, there is a lack of studies that use standardized tools and simultaneously investigate all pragmatic language skills among MDD patients. The aim of this study was to propose a more thorough investigation of all pragmatic language skills in patients with MDD. METHODS Twenty adults (aged 22-65) with a DSM-5 diagnosis of MDD were assessed using BLED Santa Lucia (Batteria sul Linguaggio dell'Emisfero Destro Santa Lucia), a battery designed to evaluate pragmatic language skills (comprehension of inferences, of picture and written metaphors, of indirect requests, of humoristic expressions, and of prosody). The performance of the MDD participants on all BLED Santa Lucia subscales was compared to 20 healthy control subjects (aged 20-60) matched for gender, age, years of education, and employment status. RESULTS MDD patients performed poorer than controls in comprehension of inferences (p < 0.01), picture metaphors (p < 0.001), written metaphors (p < 0.001), indirect requests (p < 0.01), humoristic expression (p < 0.05), and prosody (p < 0.05). CONCLUSIONS All pragmatic language skills can be significantly impaired in MDD patients. A valid assessment of all pragmatic language skills can allow, for each patient, the definition of a specific profile of risk and protective factors before and during psychotherapy.
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Affiliation(s)
- Maria Clelia Zurlo
- Dynamic Psychology Laboratory, Department of Political Sciences, University of Naples Federico II, Naples, Italy,
| | - Maura Ruggiero
- Department of Humanities, University of Naples Federico II, Naples, Italy
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Li X, Pesonen J, Haimi E, Wang H, Astikainen P. Electrical brain activity and facial electromyography responses to irony in dysphoric and non-dysphoric participants. BRAIN AND LANGUAGE 2020; 211:104861. [PMID: 33045478 DOI: 10.1016/j.bandl.2020.104861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 08/28/2020] [Accepted: 09/04/2020] [Indexed: 06/11/2023]
Abstract
We studied irony comprehension and emotional reactions to irony in dysphoric and control participants. Electroencephalography (EEG) and facial electromyography (EMG) were measured when spoken conversations were presented with pictures that provided either congruent (non-ironic) or incongruent (ironic) contexts. In a separate session, participants evaluated the congruency and valence of the stimuli. While both groups rated ironic stimuli funnier than non-ironic stimuli, the control group rated all the stimuli funnier than the dysphoric group. N400-like activity, P600, and EMG activity indicating smiling were larger after the ironic stimuli than the non-ironic stimuli for both groups. Further, in the dysphoric group the irony modulation was evident in the electrode cluster over the right hemisphere, while no such difference in lateralization was observed in the control group. The results suggest a depression-related alteration in the P600 response associated to irony comprehension, but no alterations were found in emotional reactivity specifically related to irony.
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Affiliation(s)
- Xueqiao Li
- Department of Psychology, University of Jyvaskyla, P.O. Box 35, FIN-40100 Jyväskylä, Finland.
| | - Janne Pesonen
- Department of Psychology, University of Jyvaskyla, P.O. Box 35, FIN-40100 Jyväskylä, Finland
| | - Elina Haimi
- Department of Psychology, University of Jyvaskyla, P.O. Box 35, FIN-40100 Jyväskylä, Finland
| | - Huili Wang
- School of Foreign Languages, Dalian University of Technology, Dalian, China
| | - Piia Astikainen
- Department of Psychology, University of Jyvaskyla, P.O. Box 35, FIN-40100 Jyväskylä, Finland
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Esan O, Oladele O, Adediran KI, Abiona TO. Neurocognitive Impairments (NCI) in bipolar disorder: Comparison with schizophrenia and healthy controls. J Affect Disord 2020; 277:175-181. [PMID: 32829193 DOI: 10.1016/j.jad.2020.08.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 06/28/2020] [Accepted: 08/09/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Neurocognitive impairments (NCI) are common in patients with bipolar I disorder. However, reports about the affected domains, outcomes and magnitude have been inconsistent. The aim of this study was to compare the magnitude (severity) and specificity (domains), of (NCI) in euthymic Bipolar I Disorder (BD) patients with a demographically and educationally matched sample of patients with schizophrenia in remission (SC) and healthy controls (HC). METHODS The Screen for Cognitive Impairment in Psychiatry (SCIP) was applied in this cross-sectional study, to all consecutive and consenting euthymic outpatients with bipolar I disorder (BD) (n = 76), remitted patients with schizophrenia (n = 130) and age and gender-matched healthy controls (HC) (n = 100). The cognitive tests done included Verbal List Learning-Immediate (VLT-I), Working Memory Test (WMT), Verbal Fluency Test (VFT), Verbal Learning Test-Delayed (VLT-D) and Processing Speed Test (PST). Within the bipolar group, the association between NCI and functioning was assessed. RESULTS There was a significant difference in the proportions of participants that had cognitive impairment from the 3 groups (37% (HC) vs. 71.1% (BD) vs. 91.5%(SC) (p=<0.001). The BD group in comparison to the HCs did worse on all domains of the SCIP except WMT and PST. The BD group was not significantly different from the SC group in all neuropsychological domains of the SCIP except WMT. BD group significantly functions better than the SC group. The severity of depressive symptomatology and VLT-I were independent predictors of functioning in the BD group. CONCLUSION Cognitive impairment affects almost all the neurocognitive domains of the BD group. The difference in NCI between euthymic BD patients and SC in remission are quantitative rather than qualitative.
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Affiliation(s)
- Oluyomi Esan
- Department of Psychiatry, University of Ibadan, University College Hospital, PMB 5116 Ibadan, Nigeria.
| | - Oluremi Oladele
- Department of Psychiatry, University College Hospital, PMB 5116 Ibadan, Nigeria
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Abstract
Patients diagnosed with unipolar disorder usually experience impaired cognitive functioning during an acute depressive episode. The purpose of the current study was to investigate the association of specific clinical factors with cognitive dysfunction in a group of major depressed patients. 65 subjects diagnosed with recurrent major depressive disorder were evaluated during an acute episode. The cognitive functions were assessed with neuropsychological tests for attention and processing speed, memory, verbal fluency, psychomotor speed and executive functions. Hamilton Depression Rating Scale - 17 items was used to quantify the severity of depression. Clinical variables consisted in age at onset, number of previous depressive episodes, presence of psychotic symptoms or suicide attempts. The group had a mean age of 48.48 years, with predominance of females, with a history of 5.43 episodes and associated psychotic symptoms (23.1%) and suicide attempts (20%). Cognitive domains for which we found significant results (p < 0.05) were executive functions and attention, being associated with the number of previous depressive episodes. Psychomotor speed was significantly associated with the severity of depression. Also, patients with psychotic symptoms obtained altered results for psychomotor speed and verbal memory. For almost all cognitive domains we found significant statistical association with different clinical aspects, such as number of depressive episodes, severity of depression, presence of psychotic symptoms and suicide attempts. Since each of them had an influence over cognition, further studies involving larger samples are necessary to establish if there is a direct relationship between cognitive impairment and clinical variables.
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Affiliation(s)
- Bianca Daniela Suciu
- Department of Neurosciences, Psychiatry and Pediatric Psychiatry Chair, "Iuliu Hațieganu", University of Medicine and Pharmacy, 43 Victor Babeș Street, Cluj-Napoca, Romania.
| | - Ioana Valentina Micluţia
- Department of Neurosciences, Psychiatry and Pediatric Psychiatry Chair, "Iuliu Hațieganu", University of Medicine and Pharmacy, 43 Victor Babeș Street, Cluj-Napoca, Romania.,Psychiatric Clinic, Emergency County Hospital, Cluj-Napoca, Romania
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13
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Gregory E, Torres IJ, Ge R, Blumberger DM, Downar JH, Daskalakis ZJ, Lam RW, Vila-Rodriguez F. Predictors of cognitive impairment in treatment-resistant depression. J Affect Disord 2020; 274:593-601. [PMID: 32663992 DOI: 10.1016/j.jad.2020.05.101] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 04/18/2020] [Accepted: 05/16/2020] [Indexed: 01/04/2023]
Abstract
BACKGROUND Cognitive impairment is a well-recognized symptom of major depressive disorder; however, contributing factors are not fully characterized. The present study examined the neurocognitive profiles and predictors of cognitive impairment in patients with treatment-resistant depression (TRD). METHODS Moderate to severely depressed TRD patients were compared to matched healthy volunteers (HV) in verbal learning and recall and executive functions. Based on cognitive scores, cluster analysis was performed to identify subsets within the TRD sample. Predictors of cognitive impairment were also investigated. RESULTS TRD patients showed worse performance in tests assessing verbal memory, executive attentional shifting, and inhibitory control. The cluster analysis revealed two groups: a cognitively impaired (CI) group that showed a generalized deficit across cognitive domains, and a relatively cognitively intact group that performed better than CI in all domains except attentional shifting. A logistic binomial regression of the two groups revealed three significant contributing risk factors for CI: 1) older age, 2) lower premorbid IQ, and 3) benzodiazepine use. Cognitive impairment and benzodiazepine use were associated with worse functioning. CONCLUSIONS Significant cognitive impairment is present in TRD and is associated with worse functioning. Age, lower premorbid IQ, and benzodiazepine use increased the likelihood of generalized cognitive impairment in TRD patients. The detrimental effect of benzodiazepine on cognitive impairment is independent of anxiety symptoms. Further research is needed to characterize the timeline of cognitive impairment in depression.
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Affiliation(s)
- Elizabeth Gregory
- Non-Invasive Neurostimulation Therapies (NINET) Laboratory, Department of Psychiatry, University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC V6T 2A1, Canada
| | - Ivan J Torres
- Department of Psychiatry, University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC V6T 2A1, Canada; British Columbia Mental Health and Substance Use Services Research Institute, Vancouver, BC
| | - Ruiyang Ge
- Non-Invasive Neurostimulation Therapies (NINET) Laboratory, Department of Psychiatry, University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC V6T 2A1, Canada
| | - Daniel M Blumberger
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada; Temerty Centre for Therapeutic Brain Intervention, Campbell Family Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Jonathan H Downar
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada; MRI-Guided rTMS Clinic, Toronto Western Hospital, University Health Network, Toronto, ON, Canada
| | - Zafiris J Daskalakis
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada; Temerty Centre for Therapeutic Brain Intervention, Campbell Family Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Raymond W Lam
- Department of Psychiatry, University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC V6T 2A1, Canada
| | - Fidel Vila-Rodriguez
- Non-Invasive Neurostimulation Therapies (NINET) Laboratory, Department of Psychiatry, University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC V6T 2A1, Canada.
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Depressive symptoms affect short- and long-term speech recognition outcome in cochlear implant users. Eur Arch Otorhinolaryngol 2020; 278:345-351. [PMID: 32504200 PMCID: PMC7826306 DOI: 10.1007/s00405-020-06096-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 05/27/2020] [Indexed: 01/13/2023]
Abstract
Purpose To investigate the impact of the amount of depressive symptoms in cochlear implant (CI) recipients on the development of speech recognition after CI-activation up to 2 years. Design Retrospective data analysis of a German short form of the Beck Depression Inventory given at initial activation of the implant in relation to monosyllabic word recognition score at conversational level at initial activation and at 3 months, 1 and 2-year follow-up measurements. Study sample Thirty-one CI-patients (11 female, 20 male) aged between 41 and 83 (M = 64.77, SD = 10.43) who were German native speakers, postlingually deafened, with severe hearing loss in both sides but unilaterally implanted (19 right-sided, 12 left-sided). Results The amount of depressive symptoms at initial activation was negatively correlated with the monosyllabic recognition score after 3 months and after 1 year of implant use. Conclusion The psychological status in terms of depressive symptoms is an important parameter regarding the rehabilitative outcome of CI-patients. Care staff and CI-users should be sensitized to the link between depressive symptoms and the development of speech recognition with CI.
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15
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Yao Z, Fu Y, Wu J, Zhang W, Yu Y, Zhang Z, Wu X, Wang Y, Hu B. Morphological changes in subregions of hippocampus and amygdala in major depressive disorder patients. Brain Imaging Behav 2020; 14:653-667. [PMID: 30519998 PMCID: PMC6551316 DOI: 10.1007/s11682-018-0003-1] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Despite many neuroimaging studies in the past years, the neuroanatomical substrates of major depressive disorder (MDD) subcortical structures are still not well understood. Since hippocampus and amygdala are the two vital subcortical structures that most susceptible to MDD, finding the evidence of morphological changes in their subregions may bring some new insights for MDD research. Combining structural magnetic resonance imaging (MRI) with novel morphometry analysis methods, we recruited 25 MDD patients and 28 healthy controls (HC), and investigated their volume and morphological differences in hippocampus and amygdala. Relative to volumetric method, our methods detected more significant global morphological atrophies (p<0.05). More precisely, subiculum and cornu ammonis (CA) 1 subregions of bilateral hippocampus, lateral (LA) and basolateral ventromedial (BLVM) of left amygdala and LA, BLVM, central (CE), amygdalostriatal transition area (ASTR), anterior cortical (ACO) and anterior amygdaloid area (AAA) of right amygdala were demonstrated prone to atrophy. Correlation analyses between each subject's surface eigenvalues and Hamilton Depression Scale (HAMD) were then performed. Correlation results showed that atrophy areas in hippocampus and amygdala have slight tendencies of expanding into other subregions with the development of MDD. Finally, we performed group morphometric analysis and drew the atrophy and expansion areas between MDD-Medicated group (only 19 medicated subjects in MDD group were included) and HC group, found some preliminary evidence about subregional morphological resilience of hippocampus and amygdala. These findings revealed new pathophysiologic patterns in the subregions of hippocampus and amygdala, which can help with subsequent smaller-scale MDD research.
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Affiliation(s)
- Zhijun Yao
- School of Information Science and Engineering, Lanzhou University, P.O. Box 730000, Lanzhou, China
| | - Yu Fu
- School of Information Science and Engineering, Lanzhou University, P.O. Box 730000, Lanzhou, China
| | - Jianfeng Wu
- School of Computing, Informatics, and Decision Systems Engineering, Arizona State University, P.O. Box 878809, Tempe, AZ, 85287, USA
| | - Wenwen Zhang
- Department of Radiology, Gansu Provincial Hospital, Lanzhou, China
| | - Yue Yu
- School of Information Science and Engineering, Lanzhou University, P.O. Box 730000, Lanzhou, China
| | - Zicheng Zhang
- School of Information Science and Engineering, Lanzhou University, P.O. Box 730000, Lanzhou, China
| | - Xia Wu
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China.
- College of Information Science and Technology, Beijing Normal University, P.O. Box 100000, Beijing, China.
| | - Yalin Wang
- School of Computing, Informatics, and Decision Systems Engineering, Arizona State University, P.O. Box 878809, Tempe, AZ, 85287, USA.
| | - Bin Hu
- School of Information Science and Engineering, Lanzhou University, P.O. Box 730000, Lanzhou, China.
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Lanza CE, Sejunaite K, Steindel C, Scholz I, Riepe MW. On the conundrum of cognitive impairment due to depressive disorder in older patients. PLoS One 2020; 15:e0231111. [PMID: 32240257 PMCID: PMC7117703 DOI: 10.1371/journal.pone.0231111] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 03/16/2020] [Indexed: 11/19/2022] Open
Abstract
Objectives Depressive symptoms and cognitive impairment often concur in older persons. Differentiating the cause of cognitive impairment in older persons with Depressive Disorder (DD) from other diseases such as Alzheimer’s Disease (AD) is challenging. The goal of this study was to characterize cognitive impairment in older persons with DD. Design Cross-sectional retrospective observational clinical cohort study using patient records from 2014 to 2018. Setting Gerontopsychiatric services of Ulm University at Bezirkskrankenhaus Günzburg serving as primary psychiatric care institution and tertiary referral center for psychiatric care for older persons. Partcipants DD was diagnosed according to ICD-10 criteria. When indicated by the medical history or neuropsychological assessment further diagnostic procedures were initiated. Cerebrospinal fluid (CSF) tap was routinely the first additional procedure. If patients did not consent to CSF tap or contraindications were present, 18F-fluordesoxyglucose-PET (FDG-PET) or Amyloid-PET (Am-PET) were performed. Materials and methods Extensive neuropsychological test battery to assess cognitive profile. Results 457 subjects were diagnosed with DD (DD-all; age 50–94; 159 males, 298 females). Biomarkers were assessed in 176 persons; in 90 of these subjects AD-biomarkers were negative (DD-BM-; age 54–89; 40 males, 50 females), and in 86 subjects at least one biomarker was compatible with AD (DD-BM+; age 60–90; 31 males, 55 females). Cognitive performance was below healthy controls (HC; n = 56; age 50–80; 30 males, 26 females) for all groups of patients with DD. With case-control matching of HC and DD-BM- we find that executive functions are impaired in about one out of three and delayed recall in about two out of three patients with DD. Conclusion Cognitive impairment is frequent in older persons with DD. Cognitive profile in older patients with DD without and with biomarkers of AD is not distinguishable. Therefore, cognitive impairment due to DD should be diagnosed after exclusion of comorbid AD.
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Affiliation(s)
- Claudia E. Lanza
- Department of Psychiatry and Psychotherapy II, Mental Health & Old Age Psychiatry, Ulm University, Ulm, Germany
| | - Karolina Sejunaite
- Department of Psychiatry and Psychotherapy II, Mental Health & Old Age Psychiatry, Ulm University, Ulm, Germany
| | - Charlotte Steindel
- Department of Psychiatry and Psychotherapy II, Mental Health & Old Age Psychiatry, Ulm University, Ulm, Germany
| | - Ingo Scholz
- Department of Psychiatry and Psychotherapy II, Mental Health & Old Age Psychiatry, Ulm University, Ulm, Germany
| | - Matthias W. Riepe
- Department of Psychiatry and Psychotherapy II, Mental Health & Old Age Psychiatry, Ulm University, Ulm, Germany
- * E-mail:
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17
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Differential effects of unipolar versus bipolar depression on episodic memory updating. Neurobiol Learn Mem 2019; 161:158-168. [PMID: 31004802 DOI: 10.1016/j.nlm.2019.04.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 04/09/2019] [Accepted: 04/16/2019] [Indexed: 11/23/2022]
Abstract
Episodic memories, when reactivated, can be modified or updated by new learning. Since such dynamic memory processes remain largely unexplored in psychiatric disorders, we examined the impact of depression on episodic memory updating. Unipolar and bipolar depression patients, and age/education matched controls, first learned a set of objects (List-1). Two days later, participants in all three groups were either reminded of the first learning session or not followed by the learning of a new set of objects (List-2). Forty-eight hours later, List-1 recall was impaired in unipolar and bipolar patients compared to control participants. Further, as expected, control participants who received a reminder spontaneously recalled items from List-2 during recall of List-1, indicative of an updated List-1 memory. Such spontaneous intrusions were also seen in the unipolar and bipolar patients that received the reminder, suggesting that memory updating was unaffected in these two patient groups despite impaired recall of List 1. Unexpectedly, we observed a trend towards higher intrusions, albeit statistically insignificant, not only in the reminder but also in the no-reminder subgroups of bipolar patients. We probed this further in a second cohort by testing recall of List-2, which was also impaired in both depression groups. Again bipolar patients showed intrusions, but this time in the reverse order from List-1 into List-2, independent of a reminder. Taken together, despite impaired recall, updating of episodic memories was intact and unidirectional in unipolar depression. In contrast, indiscriminate updating, as evidenced by bidirectional interference between episodic memories, was seen in bipolar depression. These findings reveal a novel distinction between unipolar versus bipolar depression using a reactivation-dependent memory updating paradigm.
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18
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Barch DM, Harms MP, Tillman R, Hawkey E, Luby JL. Early childhood depression, emotion regulation, episodic memory, and hippocampal development. JOURNAL OF ABNORMAL PSYCHOLOGY 2019; 128:81-95. [PMID: 30628810 DOI: 10.1037/abn0000392] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Depression in adults is associated with deficits in a number of cognitive domains, however it remains less clear how early in development theses deficits can be detected in early onset depression. There are several different hypotheses about the links between cognitive function and depression. For example, it has been argued that executive function deficits contribute to emotion regulation difficulties, which in turn increase risk for depression. Further, it has been suggested that some cognitive deficits, such as episodic memory, may reflect hippocampal abnormalities linked to both depression and episodic memory. We examined these questions in adolescents participating in a longitudinal study of preschool onset depression. We measured cognitive function at adolescence using the National Institutes of Health toolbox (vocabulary, processing speed, executive function, working memory and episodic memory), and examined relationships of cognitive deficits to depression, emotion regulation, life stress and adversity, as well as hippocampal volume trajectories over three imaging assessments starting at school age. Depression related deficits in episodic memory were found. Youths with either current and past depression showed episodic memory deficits even after controlling for other psychopathology and family income. Depression severity, emotion dysregulation, and life stress/adversity all predicted episodic memory impairment, as did smaller intercepts and slopes of hippocampal growth over time. Modest relationships of depression to hippocampal volume and strong relationships between emotion regulation and both episodic memory and hippocampal volume were found. These data are consistent with prior work in adults linking depression, episodic memory, emotion regulation, life stress/adversity, and hippocampal volume in adults and suggest similar relations are evident as early as adolescence when memory systems are under development. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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Affiliation(s)
- Deanna M Barch
- Department of Psychological & Brain Sciences, Washington University
| | | | | | | | - Joan L Luby
- Departments of Psychiatry, Washington University
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19
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Pu S, Noda T, Setoyama S, Nakagome K. Empirical evidence for discrete neurocognitive subgroups in patients with non-psychotic major depressive disorder: clinical implications. Psychol Med 2018; 48:2717-2729. [PMID: 29679991 DOI: 10.1017/s003329171800034x] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Neuropsychological deficits are present across various cognitive domains in major depressive disorder (MDD). However, a consistent and specific profile of neuropsychological abnormalities has not yet been established. METHODS We assessed cognition in 170 patients with non-psychotic MDD using the Brief Assessment of Cognition in Schizophrenia and the scores were compared with those of 42 patients with schizophrenia as a reference for severity of cognitive impairment. Hierarchical cluster analysis was conducted to determine whether there are discrete neurocognitive subgroups in MDD. We then compared the subgroups in terms of several clinical factors and social functioning. RESULTS Three distinct neurocognitive subgroups were found: (1) a mild impairment subgroup with near-normative performance and mild dysfunction in motor speed; (2) a selective impairment subgroup, which exhibited preserved working memory and executive function, but moderate to severe deficits in verbal memory, motor speed, verbal fluency, and attention/information processing speed; and (3) a global impairment subgroup with moderate to severe deficits across all neurocognitive domains, comparable with deficits in schizophrenia. The global impairment subgroup was characterized by lower pre-morbid intelligence quotient (IQ). Moreover, a significant difference between groups was observed in premorbid IQ (p = 0.003), antidepressant dose (p = 0.043), antipsychotic dose (p = 0.013), or anxiolytic dose (p < 0.001). CONCLUSIONS These results suggest the presence of multiple neurocognitive subgroups in non-psychotic MDD with unique profiles, one of which exhibits deficits comparable to those of schizophrenia. The results of the present study may help guide future efforts to target these disabling symptoms using different treatments.
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Affiliation(s)
- Shenghong Pu
- Integrative Brain Imaging Center,National Center Hospital,National Center of Neurology and Psychiatry,4-1-1 Ogawa-Higashi,Kodaira,Tokyo 187-8551,Japan
| | - Takamasa Noda
- Integrative Brain Imaging Center,National Center Hospital,National Center of Neurology and Psychiatry,4-1-1 Ogawa-Higashi,Kodaira,Tokyo 187-8551,Japan
| | - Shiori Setoyama
- Department of Psychiatry,National Center Hospital,National Center of Neurology and Psychiatry,4-1-1 Ogawa-Higashi,Kodaira,Tokyo 187-8551,Japan
| | - Kazuyuki Nakagome
- National Institute of Mental Health,National Center of Neurology and Psychiatry,4-1-1 Ogawa-Higashi,Kodaira,Tokyo 187-8551,Japan
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Yüksel D, Dietsche B, Konrad C, Dannlowski U, Kircher T, Krug A. Neural correlates of working memory in first episode and recurrent depression: An fMRI study. Prog Neuropsychopharmacol Biol Psychiatry 2018; 84:39-49. [PMID: 29421266 DOI: 10.1016/j.pnpbp.2018.02.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 02/01/2018] [Accepted: 02/03/2018] [Indexed: 01/11/2023]
Abstract
BACKGROUND Patients suffering from major depressive disorder (MDD) show deficits in working memory (WM) performance accompanied by bilateral fronto-parietal BOLD signal changes. It is unclear whether patients with a first depressive episode (FDE) exhibit the same signal changes as patients with recurrent depressive episodes (RDE). METHODS We investigated seventy-four MDD inpatients (48 RDE, 26 FDE) and 74 healthy control (HC) subjects performing an n-back WM task (0-back, 2-back, 3-back condition) in a 3T-fMRI. RESULTS FMRI analyses revealed deviating BOLD signal in MDD in the thalamus (0-back vs. 2-back), the angular gyrus (0-back vs. 3-back), and the superior frontal gyrus (2-back vs. 3-back). Further effects were observed between RDE vs. FDE. Thus, RDE displayed differing neural activation in the middle frontal gyrus (2-back vs. 3-back), the inferior frontal gyrus, and the precentral gyrus (0-back vs. 2-back). In addition, both HC and FDE indicated a linear activation trend depending on task complexity. CONCLUSIONS Although we failed to find behavioral differences between the groups, results suggest differing BOLD signal in fronto-parietal brain regions in MDD vs. HC, and in RDE vs. FDE. Moreover, both HC and FDE show similar trends in activation shapes. This indicates a link between levels of complexity-dependent activation in fronto-parietal brain regions and the stage of MDD. We therefore assume that load-dependent BOLD signal during WM is impaired in MDD, and that it is particularly affected in RDE. We also suspect neurobiological compensatory mechanisms of the reported brain regions in (working) memory functioning.
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Affiliation(s)
- Dilara Yüksel
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany.
| | - Bruno Dietsche
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany
| | - Carsten Konrad
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany; Agaplesion Diakonieklinikum Rotenburg, Centre for Psychosocial Medicine, Elise-Averdieck-Straße 17, 27356 Rotenburg (Wümme), Germany
| | - Udo Dannlowski
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany; Department of Psychiatry, University of Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Tilo Kircher
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany
| | - Axel Krug
- Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Rudolf-Bultmann-Str. 8, 35039 Marburg, Germany
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Fang J, Demic S, Cheng S. The reduction of adult neurogenesis in depression impairs the retrieval of new as well as remote episodic memory. PLoS One 2018; 13:e0198406. [PMID: 29879169 PMCID: PMC5991644 DOI: 10.1371/journal.pone.0198406] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 05/20/2018] [Indexed: 11/29/2022] Open
Abstract
Major depressive disorder (MDD) is associated with an impairment of episodic memory, but the mechanisms underlying this deficit remain unclear. Animal models of MDD find impaired adult neurogenesis (AN) in the dentate gyrus (DG), and AN in DG has been suggested to play a critical role in reducing the interference between overlapping memories through pattern separation. Here, we study the effect of reduced AN in MDD on the accuracy of episodic memory using computational modeling. We focus on how memory is affected when periods with a normal rate of AN (asymptomatic states) alternate with periods with a low rate (depressive episodes), which has never been studied before. Also, unlike previous models of adult neurogenesis, which consider memories as static patterns, we model episodic memory as sequences of neural activity patterns. In our model, AN adds additional random components to the memory patterns, which results in the decorrelation of similar patterns. Consistent with previous studies, higher rates of AN lead to higher memory accuracy in our model, which implies that memories stored in the depressive state are impaired. Intriguingly, our model makes the novel prediction that memories stored in an earlier asymptomatic state are also impaired by a later depressive episode. This retrograde effect exacerbates with increased duration of the depressive episode. Finally, pattern separation at the sensory processing stage does not improve, but rather worsens, the accuracy of episodic memory retrieval, suggesting an explanation for why AN is found in brain areas serving memory rather than sensory function. In conclusion, while cognitive retrieval biases might contribute to episodic memory deficits in MDD, our model suggests a mechanistic explanation that affects all episodic memories, regardless of emotional relevance.
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Affiliation(s)
- Jing Fang
- Institute for Neural Computation, Ruhr University Bochum, Bochum, Germany
- Mercator Research Group “Structure of Memory”, Ruhr University Bochum, Bochum, Germany
- Faculty of Psychology, Ruhr University Bochum, Bochum, Germany
| | | | - Sen Cheng
- Institute for Neural Computation, Ruhr University Bochum, Bochum, Germany
- Mercator Research Group “Structure of Memory”, Ruhr University Bochum, Bochum, Germany
- * E-mail:
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Park A, Conway M. Harnessing Reddit to Understand the Written-Communication Challenges Experienced by Individuals With Mental Health Disorders: Analysis of Texts From Mental Health Communities. J Med Internet Res 2018; 20:e121. [PMID: 29636316 PMCID: PMC5915669 DOI: 10.2196/jmir.8219] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 12/09/2017] [Accepted: 01/03/2018] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Mental disorders such as depression, bipolar disorder, and schizophrenia are common, incapacitating, and have the potential to be fatal. Despite the prevalence and gravity of mental disorders, our knowledge concerning everyday challenges associated with them is relatively limited. One of the most studied deficits related to everyday challenges is language impairment, yet we do not know how mental disorders can impact common forms of written communication, for example, social media. OBJECTIVE The aims of this study were to investigate written communication challenges manifest in online mental health communities focusing on depression, bipolar disorder, and schizophrenia, as well as the impact of participating in these online mental health communities on written communication. As the control, we selected three online health communities focusing on positive emotion, exercising, and weight management. METHODS We examined lexical diversity and readability, both important features for measuring the quality of writing. We used four well-established readability metrics that consider word frequencies and syntactic complexity to measure writers' written communication ability. We then measured the lexical diversity by calculating the percentage of unique words in posts. To compare lexical diversity and readability among communities, we first applied pairwise independent sample t tests, followed by P value adjustments using the prespecified Hommel procedure to adjust for multiple comparison. To measure the changes, we applied linear least squares regression to the readability and lexical diversity scores against the interaction sequence for each member, followed by pairwise independent sample t tests and P value adjustments. Given the large sample of members, we also report effect sizes and 95% CIs for the pairwise comparisons. RESULTS On average, members of depression, bipolar disorder, and schizophrenia communities showed indications of difficulty expressing their ideas compared with three other online health communities. Our results also suggest that participating in these platforms has the potential to improve members' written communication. For example, members of all three mental health communities showed statistically significant improvement in both lexical diversity and readability compared with members of the OHC focusing on positive emotion. CONCLUSIONS We provide new insights into the written communication challenges faced by individuals suffering from depression, bipolar disorder, and schizophrenia. A comparison with three other online health communities suggests that written communication in mental health communities is significantly more difficult to read, while also consisting of a significantly less diverse lexicon. We contribute practical suggestions for utilizing our findings in Web-based communication settings to enhance members' communicative experience. We consider these findings to be an important step toward understanding and addressing everyday written communication challenges among individuals suffering from mental disorders.
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Affiliation(s)
- Albert Park
- Department of Biomedical Informatics, School of Medicine, University of Utah, Salt Lake City, UT, United States
| | - Mike Conway
- Department of Biomedical Informatics, School of Medicine, University of Utah, Salt Lake City, UT, United States
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Esmaeelpour E, Ghatreh F, Nourbakhsh M. A Case Study of Negative Affixes in Sadegh Hedayat's Letters: The Effect of Bipolar Mood Disorder. JOURNAL OF PSYCHOLINGUISTIC RESEARCH 2017; 46:1385-1395. [PMID: 28560617 DOI: 10.1007/s10936-017-9503-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This research studies the morphological features found in Sadegh Hedayat's letters, who, based on linguistic and psychological studies, may have had bipolar disorder. It aims to assess the impact of various types of moods on the frequency of negative affixes through qualitative analysis of the letters' text. The letters are written in Persian, and include six negative derivational affixes. As bipolar disorder includes four episodes, all letters are analyzed on the basis of six negative affixes concerning the episodes using SPSS. The results indicate that each episode shows totally different characteristics in using negative affixes. In fact, Hedayat mostly used negative affixes in depression, confirming psychological studies, and it is revealed that he mostly used negative affixes in hypomania when he experienced an irritated mood. Moreover, the frequency of negative affixes in mixed episode shows a combination of hypomania and depression, which is in agreement with previous studies. Additionally, euthymia shows few negative affixes.
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Affiliation(s)
| | - Fariba Ghatreh
- Department of Linguistics, Alzahra University, Tehran, Iran
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Dannehl K, Rief W, Euteneuer F. Childhood adversity and cognitive functioning in patients with major depression. CHILD ABUSE & NEGLECT 2017; 70:247-254. [PMID: 28633060 DOI: 10.1016/j.chiabu.2017.06.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 04/29/2017] [Accepted: 06/03/2017] [Indexed: 05/26/2023]
Abstract
OBJECTIVE Major depression is often accompanied by deficits in cognitive functioning and lowered executive functions. However, not all depressed patients show impairments in these domains. The aim of this study was to examine whether different kinds of childhood adversity might account for cognitive deficits in patients with major depression. METHODS Ninety-one patients with major depression (DSM-IV) and 40 healthy controls completed a neuropsychological test battery assessing memory, processing speed and executive functions. The Childhood Trauma Questionnaire (CTQ) was used to measure the severity and number of incidences of sexual, physical and emotional abuse and physical and emotional neglect. RESULTS Patients with major depression had a significantly higher number of traumas and reported more severe emotional abuse, emotional neglect and physical neglect than healthy controls. Patients performed less well in memory tasks, general knowledge and processing speed than healthy controls. Hierarchical regression analyses indicated that the overall number of traumas was significantly associated with poorer general knowledge, lower processing speed and impaired executive functions in patients with major depression. A second model including all CTQ-subscales simultaneously demonstrated an association between physical neglect and poorer verbal learning, and physical abuse and diminished executive functions. CONCLUSION A higher number of childhood adversities may influence general knowledge, processing speed and executive functions in patients with major depression. In addition, physical abuse and neglect seemed to be associated with verbal learning deficits and poorer executive functions.
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Affiliation(s)
- Katharina Dannehl
- Division of Clinical Psychology and Psychotherapy, Philipps University, Marburg, Germany
| | - Winfried Rief
- Division of Clinical Psychology and Psychotherapy, Philipps University, Marburg, Germany
| | - Frank Euteneuer
- Division of Clinical Psychology and Psychotherapy, Philipps University, Marburg, Germany.
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Brain responses to sound intensity changes dissociate depressed participants and healthy controls. Biol Psychol 2017; 127:74-81. [PMID: 28499838 DOI: 10.1016/j.biopsycho.2017.05.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 05/04/2017] [Accepted: 05/07/2017] [Indexed: 11/22/2022]
Abstract
Depression is associated with bias in emotional information processing, but less is known about the processing of neutral sensory stimuli. Of particular interest is processing of sound intensity which is suggested to indicate central serotonergic function. We tested weather event-related brain potentials (ERPs) to occasional changes in sound intensity can dissociate first-episode depressed, recurrent depressed and healthy control participants. The first-episode depressed showed larger N1 amplitude to deviant sounds compared to recurrent depression group and control participants. In addition, both depression groups, but not the control group, showed larger N1 amplitude to deviant than standard sounds. Whether these manifestations of sensory over-excitability in depression are directly related to the serotonergic neurotransmission requires further research. The method based on ERPs to sound intensity change is fast and low-cost way to objectively measure brain activation and holds promise as a future diagnostic tool.
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Bruno D, Nierenberg J, Cooper TB, Marmar CR, Zetterberg H, Blennow K, Hashimoto K, Pomara N. The recency ratio is associated with reduced CSF glutamate in late-life depression. Neurobiol Learn Mem 2017; 141:14-18. [PMID: 28323201 DOI: 10.1016/j.nlm.2017.03.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 02/27/2017] [Accepted: 03/15/2017] [Indexed: 11/30/2022]
Abstract
Glutamate is the principal excitatory neurotransmitter in the central nervous system, and is thought to be involved in the process of memory encoding and storage. Glutamate disturbances have also been reported in psychiatric disorders, such as schizophrenia and major depressive disorder (MDD), and in Alzheimer's disease. In this paper, we set out to study the relationship between cerebrospinal fluid (CSF) glutamate levels and memory performance, which we believe has not been reported previously. In particular, we focused on recall performance broken down by serial position. Our prediction was that the recency ratio (Rr), a novel cognitive marker of intellectual impairment, would be linked with CSF glutamate levels. We studied data from a group of cognitively intact elderly individuals, 28 of whom had MDD, while 19 were controls. Study results indicated that Rr levels, but no other memory score, were inversely correlated with CSF glutamate levels, although this was found only in individuals with late-life MDD. For comparison, glutamine or GABA were not correlated with any memory performance measure.
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Affiliation(s)
- Davide Bruno
- School of Natural Sciences and Psychology, Liverpool John Moores University, Liverpool, UK.
| | - Jay Nierenberg
- Nathan Kline Institute for Psychiatric Research, Orangeburg, NY, USA; Department of Psychiatry, School of Medicine, New York University, New York City, NY, USA
| | - Thomas B Cooper
- Nathan Kline Institute for Psychiatric Research, Orangeburg, NY, USA; Department of Psychiatry, Medical Center, Columbia University, New York City, NY, USA
| | - Charles R Marmar
- Department of Psychiatry, School of Medicine, New York University, New York City, NY, USA
| | - Henrik Zetterberg
- Clinical Neurochemistry Laboratory, Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, The Sahlgrenska Academy, University of Gothenburg, Mölndal, Sweden; UCL Institute of Neurology, London, UK
| | - Kaj Blennow
- Clinical Neurochemistry Laboratory, Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, The Sahlgrenska Academy, University of Gothenburg, Mölndal, Sweden
| | - Kenji Hashimoto
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, Japan
| | - Nunzio Pomara
- Nathan Kline Institute for Psychiatric Research, Orangeburg, NY, USA; Department of Psychiatry, School of Medicine, New York University, New York City, NY, USA
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Bosaipo NB, Foss MP, Young AH, Juruena MF. Neuropsychological changes in melancholic and atypical depression: A systematic review. Neurosci Biobehav Rev 2017; 73:309-325. [PMID: 28027956 DOI: 10.1016/j.neubiorev.2016.12.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 10/28/2016] [Accepted: 12/09/2016] [Indexed: 02/05/2023]
Abstract
There is not a consensus as to whether neuropsychological profiling can distinguish depressive subtypes. We aimed to systematically review and critically analyse the literature on cognitive function in patients with melancholic and atypical depression. We searched in databases PubMed, SCOPUS, Web of Knowledge and PsycInfo for papers comparing the neuropsychological performance of melancholic patients (MEL) to non-melancholic depressive patients (NMEL), including atypical depressives, and healthy controls (HC). All studies were scrutinised to determine the main methodological characteristics and particularly possible sources of bias influencing the results reported, using the STROBE statement checklist. We also provide effect size of the results reported for contrasts between MEL; patients and NMEL patients. Seventeen studies were included; most of them demonstrated higher neuropsychological impairments of MEL patients compared to both NMEL patients and HC on tasks requiring memory, executive function, attention and reaction time. Detailed analysis of the methodologies used in the studies revealed significant variability especially regarding the participants' sociodemographic characteristics, clinical characteristics of patients and differences in neuropsychological assessment. These findings suggest that MEL may have a distinct and impaired cognitive performance compared to NMEL depressive patients on tasks involving verbal and visual memory, executive function, sustained attention and span, as well as psychomotor speed, this last especially when cognitive load is increased. Additional studies with adequate control of potentially confounding variables will help to clarify further differences in the neuropsychological functioning of depressive subtypes.
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Affiliation(s)
- Nayanne Beckmann Bosaipo
- Section of Movement Disorders and Behavioral Neurology, Ribeirao Preto General Hospital of the University of Sao Paulo SP, Brazil
| | - Maria Paula Foss
- Section of Movement Disorders and Behavioral Neurology, Ribeirao Preto General Hospital of the University of Sao Paulo SP, Brazil
| | - Allan H Young
- Centre for Affective Disorders-Department of Psychological Medicine Institute of Psychiatry, Psychology and Neuroscience-King's College London, UK
| | - Mario Francisco Juruena
- Department of Neuroscience and Behavior, School of Medicine of Ribeirao Preto, University of Sao Paulo, Brazil; Centre for Affective Disorders-Department of Psychological Medicine Institute of Psychiatry, Psychology and Neuroscience-King's College London, UK.
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Abstract
Cognitive deficits have been only recently recognized as a major phenotype determinant of major depressive disorder, although they are an integral part of the definition of the depressive state. Congruent evidence suggest that these cognitive deficits persist beyond the acute phase and may be identified at all ages. The aim of the current study was to review the main meta-analyses on cognition and depression, which encompasses a large range of cognitive domains. Therefore, we discuss the "cold" (attention, memory, executive functions) and "hot" (emotional bias) cognitive impairments in MDD, as well as those of social cognition domains (empathy, theory of mind). Several factors interfere with cognition in MDD such as clinical (melancholic, psychotic...) features, age, age of onset, illness severity, medication and comorbid condition. As still debated in the literature, the type of relationship between the severity of cognitive symptoms and functioning in depression is detailed, thus highlighting their predictive value of functional outcome, independently of the affective symptoms. A better identification of the cognitive deficits in MDD and a monitoring of the effects of different treatments require appropriate instruments, which may be developed by taking advantage of the increasing success of computing tools. Overall, current data suggest a core role for different cognitive deficits in MDD, therefore opening new perspectives for optimizing the treatment of depression.
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Declarative long-term memory and the mesial temporal lobe: Insights from a 5-year postsurgery follow-up study on refractory temporal lobe epilepsy. Epilepsy Behav 2016; 64:102-109. [PMID: 27736656 DOI: 10.1016/j.yebeh.2016.08.029] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Revised: 08/29/2016] [Accepted: 08/31/2016] [Indexed: 11/22/2022]
Abstract
It is largely recognized that the mesial temporal lobe and its substructure support declarative long-term memory (LTM). So far, different theories have been suggested, and the organization of declarative verbal LTM in the brain is still a matter of debate. In the current study, we retrospectively selected 151 right-handed patients with temporal lobe epilepsy with and without hippocampal sclerosis, with a homogeneous (seizure-free) clinical outcome. We analyzed verbal memory performance within a normalized scores context, by means of prose recall and word paired-associate learning tasks. Patients were tested at presurgical baseline, 6months, 2 and 5years after anteromesial temporal lobe surgery, using parallel versions of the neuropsychological tests. Our main finding revealed a key involvement of the left temporal lobe and, in particular, of the left hippocampus in prose recall rather than word paired-associate task. We also confirmed that shorter duration of epilepsy, younger age, and withdrawal of antiepileptic drugs would predict a better memory outcome. When individual memory performance was taken into account, data showed that females affected by left temporal lobe epilepsy for longer duration were more at risk of presenting a clinically pathologic LTM at 5years after surgery. Taken together, these findings shed new light on verbal declarative memory in the mesial temporal lobe and on the behavioral signature of the functional reorganization after the surgical treatment of temporal lobe epilepsy.
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Samamé C, Szmulewicz AG, Valerio MP, Martino DJ, Strejilevich SA. Are major depression and bipolar disorder neuropsychologically distinct? A meta-analysis of comparative studies. Eur Psychiatry 2016; 39:17-26. [PMID: 27810614 DOI: 10.1016/j.eurpsy.2016.06.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 06/18/2016] [Accepted: 06/20/2016] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Neuropsychological deficits are present in both major depression and bipolar disorder. So far, however, reports directly comparing these mood disorders with regard to cognitive outcomes have been scant and yielded inconsistent results. This work aims to combine the findings of comparative studies of cognition in major depression and bipolar disorder in order to explore whether these neuropsychiatric conditions present with distinct cognitive features. METHODS The main online databases were extensively searched to retrieve reports assessing neurocognitive functioning in two groups of mood disorder patients, one with major depressive disorder and another with bipolar disorder, both in the same phase of illness. Between-group effect sizes for cognitive variables were obtained from selected studies and pooled by means of meta-analytic procedures. RESULTS During euthymia, a significant overall effect size (Hedges'g=0.64, P<0.001) favoring major depressive disorder was found for verbal memory as assessed with list learning tests, whereas no significant between-group differences were found for the remaining variables analyzed. During depressive episodes, similar cognitive outcomes were observed between groups. CONCLUSION At present, it is not possible to postulate specific neuropsychological profiles for major depression and bipolar disorder in light of available evidence. It remains to be ascertained whether the differences found for verbal memory constitute an expression of distinct underlying mechanisms or whether they are best explained by sample characteristics or differential exposure to variables with a negative impact on cognition.
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Affiliation(s)
- C Samamé
- Bipolar Disorder Program, Institute of Neurosciences, Favaloro University, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina; School of Psychology, University of Buenos Aires, Buenos Aires, Argentina
| | - A G Szmulewicz
- Bipolar Disorder Program, Institute of Neurosciences, Favaloro University, Buenos Aires, Argentina; Psychiatric Emergencies Hospital Torcuato de Alvear, Buenos Aires, Argentina
| | - M P Valerio
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina; Psychiatric Emergencies Hospital Torcuato de Alvear, Buenos Aires, Argentina
| | - D J Martino
- Bipolar Disorder Program, Institute of Neurosciences, Favaloro University, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - S A Strejilevich
- Bipolar Disorder Program, Institute of Neurosciences, Favaloro University, Buenos Aires, Argentina; Institute of Cognitive Neurology (INECO), Buenos Aires, Argentina.
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Leyhe T, Reynolds CF, Melcher T, Linnemann C, Klöppel S, Blennow K, Zetterberg H, Dubois B, Lista S, Hampel H. A common challenge in older adults: Classification, overlap, and therapy of depression and dementia. Alzheimers Dement 2016; 13:59-71. [PMID: 27693188 DOI: 10.1016/j.jalz.2016.08.007] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 07/21/2016] [Accepted: 08/17/2016] [Indexed: 10/20/2022]
Affiliation(s)
- Thomas Leyhe
- Center of Old Age Psychiatry Psychiatric University Hospital Basel Switzerland
| | - Charles F. Reynolds
- Western Psychiatric Institute and Clinic, Department of Psychiatry University of Pittsburgh School of Medicine Pittsburgh PA USA
| | - Tobias Melcher
- Center of Old Age Psychiatry Psychiatric University Hospital Basel Switzerland
| | - Christoph Linnemann
- Center of Old Age Psychiatry Psychiatric University Hospital Basel Switzerland
| | - Stefan Klöppel
- Department of Psychiatry and Psychotherapy, Center for Geriatric Medicine and Gerontology, Department of Neurology University Medical Center Freiburg Freiburg Germany
| | - Kaj Blennow
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden
| | - Henrik Zetterberg
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden
- University College London Institute of Neurology London UK
| | - Bruno Dubois
- Sorbonne Universités, Université Pierre et Marie Curie, Paris 06 Institut de la Mémoire et de la Maladie d'Alzheimer (IM2A) & Institut du Cerveau et de la Moelle épinière (ICM), Département de Neurologie, Hôpital de la Pitié‐Salpêtrière Paris France
| | - Simone Lista
- IHU‐A‐ICM—Paris Institute of Translational Neurosciences Pitié‐Salpêtrière University Hospital Paris France
- AXA Research Fund & UPMC Chair Paris France
| | - Harald Hampel
- Sorbonne Universités, Université Pierre et Marie Curie, Paris 06 Institut de la Mémoire et de la Maladie d'Alzheimer (IM2A) & Institut du Cerveau et de la Moelle épinière (ICM), Département de Neurologie, Hôpital de la Pitié‐Salpêtrière Paris France
- AXA Research Fund & UPMC Chair Paris France
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Callahan BL, Simard M, Mouiha A, Rousseau F, Laforce R, Hudon C. Impact of Depressive Symptoms on Memory for Emotional Words in Mild Cognitive Impairment and Late-Life Depression. J Alzheimers Dis 2016; 52:451-62. [DOI: 10.3233/jad-150585] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Brandy L. Callahan
- Centre de recherche de l’Institut universitaire en santé mentale de Québec, Québec (QC), Canada
| | - Martine Simard
- Centre de recherche de l’Institut universitaire en santé mentale de Québec, Québec (QC), Canada
- Université Laval, École de psychologie, Québec (QC), Canada
| | - Abderazzak Mouiha
- Centre de recherche de l’Institut universitaire en santé mentale de Québec, Québec (QC), Canada
| | - François Rousseau
- Institut universitaire en santé mentale de Québec, Québec (QC), Canada
| | - Robert Laforce
- Clinique interdisciplinaire de la mémoire du CHU de Québec, Québec (QC), Canada
| | - Carol Hudon
- Centre de recherche de l’Institut universitaire en santé mentale de Québec, Québec (QC), Canada
- Université Laval, École de psychologie, Québec (QC), Canada
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Soumet-Leman C, Plagnol A, Jouvent R. Remédiation cognitive et métacognition dans le traitement de la dépression. PRAT PSYCHOL 2016. [DOI: 10.1016/j.prps.2015.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Carvalho N, Laurent E, Noiret N, Chopard G, Haffen E, Bennabi D, Vandel P. Eye Movement in Unipolar and Bipolar Depression: A Systematic Review of the Literature. Front Psychol 2015; 6:1809. [PMID: 26696915 PMCID: PMC4678228 DOI: 10.3389/fpsyg.2015.01809] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Accepted: 11/09/2015] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The analysis of eye movements (EM) by eye-tracking has been carried out for several decades to investigate mood regulation, emotional information processing, and psychomotor disturbances in depressive disorders. METHOD A systematic review of all English language PubMed articles using the terms "saccadic eye movements" OR "eye-tracking" AND "depression" OR "bipolar disorders" was conducted using PRISMA guidelines. The aim of this review was to characterize the specific alterations of EM in unipolar and bipolar depression. RESULTS Findings regarding psychomotor disturbance showed an increase in reaction time in prosaccade and antisaccade tasks in both unipolar and bipolar disorders. In both disorders, patients have been reported to have an attraction for negative emotions, especially for negative pictures in unipolar and threatening images in bipolar disorder. However, the pattern could change with aging, elderly unipolar patients disengaging key features of sad and neutral stimuli. METHODological limitations generally include small sample sizes with mixed unipolar and bipolar depressed patients. CONCLUSION Eye movement analysis can be used to discriminate patients with depressive disorders from controls, as well as patients with bipolar disorder from patients with unipolar depression. General knowledge concerning psychomotor alterations and affective regulation strategies associated with each disorder can also be gained thanks to the analysis. Future directions for research on eye movement and depression are proposed in this review.
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Affiliation(s)
- Nicolas Carvalho
- Department of Clinical Psychiatry, University of Bourgogne Franche-Comté, University Hospital Besançon, France ; E.A. 481, Laboratory of Neurosciences, University of Franche-Comté Besançon, France
| | - Eric Laurent
- E.A. 3188, Laboratory of Psychology, University of Franche-Comté Besançon, France ; UMSR 3124/FED 4209 MSHE Ledoux, Centre National de la Recherche Scientifique/Université de Franche-Comté Besançon, France
| | - Nicolas Noiret
- Department of Clinical Psychiatry, University of Bourgogne Franche-Comté, University Hospital Besançon, France ; E.A. 3188, Laboratory of Psychology, University of Franche-Comté Besançon, France
| | - Gilles Chopard
- Department of Clinical Psychiatry, University of Bourgogne Franche-Comté, University Hospital Besançon, France ; E.A. 481, Laboratory of Neurosciences, University of Franche-Comté Besançon, France
| | - Emmanuel Haffen
- Department of Clinical Psychiatry, University of Bourgogne Franche-Comté, University Hospital Besançon, France ; E.A. 481, Laboratory of Neurosciences, University of Franche-Comté Besançon, France ; Fondation FondaMental, Albert Chenevier Hospital Créteil, France ; CIC-IT 808 Inserm, Besançon University Hospital Besançon, France
| | - Djamila Bennabi
- Department of Clinical Psychiatry, University of Bourgogne Franche-Comté, University Hospital Besançon, France ; E.A. 481, Laboratory of Neurosciences, University of Franche-Comté Besançon, France
| | - Pierre Vandel
- Department of Clinical Psychiatry, University of Bourgogne Franche-Comté, University Hospital Besançon, France ; E.A. 481, Laboratory of Neurosciences, University of Franche-Comté Besançon, France ; CIC-IT 808 Inserm, Besançon University Hospital Besançon, France
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Vrabie M, Marinescu V, Talaşman A, Tăutu O, Drima E, Micluţia I. Cognitive impairment in manic bipolar patients: important, understated, significant aspects. Ann Gen Psychiatry 2015; 14:41. [PMID: 26609314 PMCID: PMC4659170 DOI: 10.1186/s12991-015-0080-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Accepted: 11/04/2015] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Bipolar disorder is a chronic mood disorder with episodic progress and high relapse rate. Growing evidence suggests that individuals with bipolar disorder display cognitive impairment which persists even throughout periods of symptom's remission. METHOD 137 bipolar patients met the inclusion criteria (depressive episode: DSM-IV-TR criteria for major depressive episode, HAMD score ≥17; manic/hypomanic episode: DSM-IV-TR criteria for manic/hypomanic episode, YMRS score ≥12, euthymic: 6 months of remission, HAMD score ≤8, YMRS score ≤6; and mixed: DSM-IV-TR criteria for mixed episode, HAMD score >8 and YMRS score >6) and were therefore enrolled in the study. Patients were free of psychotic symptoms (hallucinations/delusions) at the moment of testing. Control group consisted of 62 healthy subjects without history of neurological and/or psychiatric disorder. Cognitive battery has been applied in order to assess verbal memory, working memory, psychomotor speed, verbal fluency, attention and speed of information processing, and executive function. Following data were collected: demographics, psychiatric history, age of illness onset; current and previous treatment (including hospitalizations). Cognitive deficits were assessed in bipolar patients experiencing manic, depressive, mixed episodes or who were euthymic in mood. Results were compared between the subgroups and with healthy individuals. The association of impaired cognition with illness course was analyzed. RESULTS Bipolar patients showed cognitive deficits in all evaluated domains when compared to controls. The lowest scores were obtained for the verbal fluency test. After adjusting for current episode, manic subgroup showed greater cognitive impairment in verbal and working memory, executive function/reasoning and problem solving, compared to depressive, mixed, and euthymic subgroup. Low-neurocognitive performance was directly associated with a predominance of manic episodes and severe course of bipolar illness. An increased number of past manic episodes was the strongest correlated event with the poorest outcomes in verbal memory testing. Other factors correlated with poor verbal memory scores in manic subgroup were age at illness onset (positive correlation), illness length, and hospitalizations (negative correlations). CONCLUSIONS Bipolar patients showed cognitive deficits regardless of the phase of illness. Subjects experiencing a manic episode displayed higher deficits in verbal and working memory, executive function/reasoning, and problem solving. Severe course of illness also showed significant contribution in terms of cognitive impairment.
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Affiliation(s)
- Mădălina Vrabie
- />University of Medicine and Pharmacy “Iuliu Hatieganu” Cluj-Napoca, Cluj-Napoca, Romania
- />7th Ward, Clinical Hospital of Psychiatry “Al. Obregia” Bucharest, Bucharest, Romania
| | - Victor Marinescu
- />7th Ward, Clinical Hospital of Psychiatry “Al. Obregia” Bucharest, Bucharest, Romania
- />University of Medicine and Pharmacy “Carol Davila” Bucharest, Bucharest, Romania
| | - Anca Talaşman
- />University of Medicine and Pharmacy “Carol Davila” Bucharest, Bucharest, Romania
- />9th Ward, Clinical Hospital of Psychiatry “Al. Obregia” Bucharest, Bucharest, Romania
| | - Oana Tăutu
- />University of Medicine and Pharmacy “Carol Davila” Bucharest, Bucharest, Romania
- />Department of Cardiology, Clinical Emergency Hospital Bucharest, Bucharest, Romania
| | - Eduard Drima
- />Faculty of Medicine and Pharmacy, “Danubius” University, Galati, Romania
- />Clinical Hospital of Psychiatry “Elisabeta Doamna” Galati, Galati, Romania
| | - Ioana Micluţia
- />University of Medicine and Pharmacy “Iuliu Hatieganu” Cluj-Napoca, Cluj-Napoca, Romania
- />Second Psychiatric Clinic, Emergency County Hospital Cluj-Napoca, Cluj-Napoca, Romania
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Ladegaard N, Videbech P, Lysaker PH, Larsen ER. The course of social cognitive and metacognitive ability in depression: Deficit are only partially normalized after full remission of first episode major depression. BRITISH JOURNAL OF CLINICAL PSYCHOLOGY 2015; 55:269-86. [DOI: 10.1111/bjc.12097] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Revised: 08/16/2015] [Indexed: 11/28/2022]
Affiliation(s)
- Nicolai Ladegaard
- Department of Affective Disorders; Q, Mood Disorders Research Unit; Risskov Denmark
| | - Poul Videbech
- Center for Psychiatric Research; Aarhus University Hospital; Risskov Denmark
| | - Paul H. Lysaker
- Roudebush VA Medical Center; Indianapolis Indiana USA
- Department of Psychiatry; Indiana University School of Medicine; Indianapolis Indiana USA
| | - Erik R. Larsen
- Department of Affective Disorders; Q, Mood Disorders Research Unit; Risskov Denmark
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Malone JC, Liu SR, Vaillant GE, Rentz DM, Waldinger RJ. Midlife Eriksonian psychosocial development: Setting the stage for late-life cognitive and emotional health. Dev Psychol 2015; 52:496-508. [PMID: 26551530 DOI: 10.1037/a0039875] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Erikson's (1950) model of adult psychosocial development outlines the significance of successful involvement within one's relationships, work, and community for healthy aging. He theorized that the consequences of not meeting developmental challenges included stagnation and emotional despair. Drawing on this model, the present study uses prospective longitudinal data to examine how the quality of assessed Eriksonian psychosocial development in midlife relates to late-life cognitive and emotional functioning. In particular we were interested to see whether late-life depression mediated the relationship between Eriksonian development and specific domains of cognitive functioning (i.e., executive functioning and memory). Participants were 159 men from the over-75 year longitudinal Study of Adult Development. The sample was comprised of men from both higher and lower socioeconomic strata. Eriksonian psychosocial development was coded from men's narrative responses to interviews between the ages of 30-47 (Vaillant & Milofsky, 1980). In late life (ages 75-85) men completed a performance-based neuropsychological assessment measuring global cognitive status, executive functioning, and memory. In addition depressive symptomatology was assessed using the Geriatric Depression Scale. Our results indicated that higher midlife Eriksonian psychosocial development was associated with stronger global cognitive functioning and executive functioning, and lower levels of depression 3 to 4 decades later. There was no significant association between Eriksonian development and late-life memory. Late-life depression mediated the relationship between Eriksonian development and both global cognition and executive functioning. All of these results controlled for highest level of education and adolescent intelligence. Findings have important implications for understanding the lasting benefits of psychosocial engagement in mid-adulthood for late-life cognitive and emotional health. In addition, it may be that less successful psychosocial development increases levels of depression making individuals more vulnerable to specific areas of cognitive decline.
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Affiliation(s)
| | | | | | - Dorene M Rentz
- Department of Psychiatry, Massachusetts General Hospital
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Abstract
Alzheimer’s disease is a degenerative disease of the brain that impairs mental skills and abilities and undermines independent living. It is estimated to affect over 44 million people worldwide, and 5.3 million people in the United States at an estimated cost of US$226 billion. The numbers of people affected are expected to increase dramatically over the next few decades along with increased life expectancy, and costs are expected to be over US$1 trillion by 2050. There is currently no cure, and accurate diagnosis in primary care is hampered by a lack of widely available, reliable, and specific forms of assessment. Accurate diagnosis is essential to avoid inappropriate and expensive clinical follow-up, to evaluate new treatments when these become available, to avoid underestimating or overestimating prevalence of the disease, and to inform policy priorities on resource allocation for health care and for research. We argue that the cognitive and behavioral sciences offer an important route to developing widely available, inexpensive, reliable, and specific assessment tools for the disease.
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Chen J, Zhang Y, Wei D, Wu X, Fu Q, Xu F, Wang H, Ye M, Ma W, Yang L, Zhang Z. Neurophysiological handover from MMN to P3a in first-episode and recurrent major depression. J Affect Disord 2015; 174:173-9. [PMID: 25499685 DOI: 10.1016/j.jad.2014.11.049] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 11/22/2014] [Accepted: 11/24/2014] [Indexed: 10/24/2022]
Abstract
BACKGROUND Mismatch negativity (MMN) and P3a components are sequential and co-occur. MMN represents the pre-attentive index of deviance detection and P3a represents the attention orienting response. Major depressive disorder (MDD) is characterized by impaired pre-attentive information processing. To assess whether impaired pre-attentive information processing can lead to an impairment of subsequent orienting process as the neurophysiological transmission spreads from MMN to P3a in MDD. METHODS MMN/P3a was obtained during a two-tone auditory paradigm with 8% duration deviants in 45 first-episode major depression subjects (F-MD), 40 recurrent major depression subjects (R-MD), and 46 healthy controls (HC). RESULTS Compared with HC, F-MD and R-MD had lower MMN amplitudes and no differences were found between F-MD and R-MD. Notably, R-MD had lower P3a amplitudes and longer P3a latencies compared to HC, while F-MD had no differences. Interestingly, no correlations were found between the severity of depression and the deficits of MMN amplitude. The deficits of P3a amplitude, however, were negatively correlated with the severity of depression in F-MD and R-MD. Furthermore, the P3a amplitude deficits were positively correlated with the number of episodes in R-MD. LIMITATIONS Patients were on antidepressant medication. CONCLUSIONS The recurrence of depressive episodes can lead to impaired pre-attentive information processing, causing an impairment of subsequent orienting process as the neurophysiological transmission from MMN to P3a. It further suggests that the impaired processing indexed by MMN amplitude may be a stable trait biomarker for the appearance of depression, while P3a amplitude can be used a potential biomarker for recurrence.
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Affiliation(s)
- Jiu Chen
- Center for Mental Disease Control and Prevention, Third Hospital of the People׳s Liberation Army, Baoji 721004, Shaanxi Province, PR China; Neurologic Department of Affiliated ZhongDa Hospital, Neuropsychiatric Institute and Medical School of Southeast University, Nanjing 210009, Jiangsu Province, PR China
| | - Yan Zhang
- Center for Mental Disease Control and Prevention, Third Hospital of the People׳s Liberation Army, Baoji 721004, Shaanxi Province, PR China
| | - Dunhong Wei
- Center for Mental Disease Control and Prevention, Third Hospital of the People׳s Liberation Army, Baoji 721004, Shaanxi Province, PR China
| | - Xingqu Wu
- Center for Mental Disease Control and Prevention, Third Hospital of the People׳s Liberation Army, Baoji 721004, Shaanxi Province, PR China
| | - Qinghai Fu
- Center for Mental Disease Control and Prevention, Third Hospital of the People׳s Liberation Army, Baoji 721004, Shaanxi Province, PR China
| | - Fan Xu
- Center for Mental Disease Control and Prevention, Third Hospital of the People׳s Liberation Army, Baoji 721004, Shaanxi Province, PR China
| | - Huan Wang
- Center for Mental Disease Control and Prevention, Third Hospital of the People׳s Liberation Army, Baoji 721004, Shaanxi Province, PR China
| | - Ming Ye
- Center for Mental Disease Control and Prevention, Third Hospital of the People׳s Liberation Army, Baoji 721004, Shaanxi Province, PR China
| | - Wentao Ma
- Center for Mental Disease Control and Prevention, Third Hospital of the People׳s Liberation Army, Baoji 721004, Shaanxi Province, PR China
| | - Laiqi Yang
- Center for Mental Disease Control and Prevention, Third Hospital of the People׳s Liberation Army, Baoji 721004, Shaanxi Province, PR China.
| | - Zhijun Zhang
- Neurologic Department of Affiliated ZhongDa Hospital, Neuropsychiatric Institute and Medical School of Southeast University, Nanjing 210009, Jiangsu Province, PR China.
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Influence of controlled encoding and retrieval facilitation on memory performance in patients with different profiles of mild cognitive impairment. J Neurol 2015; 262:938-48. [DOI: 10.1007/s00415-015-7662-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 01/28/2015] [Accepted: 01/30/2015] [Indexed: 11/26/2022]
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Tsitsipa E, Fountoulakis KN. The neurocognitive functioning in bipolar disorder: a systematic review of data. Ann Gen Psychiatry 2015; 14:42. [PMID: 26628905 PMCID: PMC4666163 DOI: 10.1186/s12991-015-0081-z] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 11/18/2015] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND During the last decades, there have been many different opinions concerning the neurocognitive function in Bipolar disorder (BD). The aim of the current study was to perform a systematic review of the literature and to synthesize the data in a comprehensive picture of the neurocognitive dysfunction in BD. METHODS Papers were located with searches in PubMed/MEDLINE, through June 1st 2015. The review followed a modified version of the recommendations of the Preferred Items for Reporting of Systematic Reviews and Meta-Analyses statement. RESULTS The initial search returned 110,403 papers. After the deletion of duplicates, 11,771 papers remained for further evaluation. Eventually, 250 were included in the analysis. CONCLUSION The current review supports the presence of a neurocognitive deficit in BD, in almost all neurocognitive domains. This deficit is qualitative similar to that observed in schizophrenia but it is less severe. There are no differences between BD subtypes. Its origin is unclear. It seems it is an enduring component and represents a core primary characteristic of the illness, rather than being secondary to the mood state or medication. This core deficit is confounded (either increased or attenuated) by the disease phase, specific personal characteristics of the patients (age, gender, education, etc.), current symptomatology and its treatment (especially psychotic features) and long-term course and long-term exposure to medication, psychiatric and somatic comorbidity and alcohol and/or substance abuse.
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Affiliation(s)
| | - Konstantinos N Fountoulakis
- Division of Neurosciences, 3rd Department of Psychiatry, School of Medicine, Aristotle University of Thessaloniki, 6, Odysseos street (1st Parodos, Ampelonon str.) 55536 Pournari Pylaia, Thessaloniki, Greece
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Chen J, Ma W, Zhang Y, Wu X, Wei D, Liu G, Deng Z, Yang L, Zhang Z. Distinct facial processing related negative cognitive bias in first-episode and recurrent major depression: evidence from the N170 ERP component. PLoS One 2014; 9:e109176. [PMID: 25314024 PMCID: PMC4196777 DOI: 10.1371/journal.pone.0109176] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Accepted: 09/05/2014] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND States of depression are associated with increased sensitivity to negative events. For this novel study, we have assessed the relationship between the number of depressive episodes and the dysfunctional processing of emotional facial expressions. METHODOLOGY/PRINCIPAL FINDINGS We used a visual emotional oddball paradigm to manipulate the processing of emotional information while event-related brain potentials were recorded in 45 patients with first episode major depression (F-MD), 40 patients with recurrent major depression (R-MD), and 46 healthy controls (HC). Compared with the HC group, F-MD patients had lower N170 amplitudes when identifying happy, neutral, and sad faces; R-MD patients had lower N170 amplitudes when identifying happy and neutral faces, but higher N170 amplitudes when identifying sad faces. F-MD patients had longer N170 latencies when identifying happy, neutral, and sad faces relative to the HC group, and R-MD patients had longer N170 latencies when identifying happy and neutral faces, but shorter N170 latencies when identifying sad faces compared with F-MD patients. Interestingly, a negative relationship was observed between N170 amplitude and the depressive severity score for identification of happy faces in R-MD patients while N170 amplitude was positively correlated with the depressive severity score for identification of sad faces in F-MD and R-MD patients. Additionally, the deficits of N170 amplitude for sad faces positively correlated with the number of depressive episodes in R-MD patients. CONCLUSION/SIGNIFICANCE These results provide new evidence that having more recurrent depressive episodes and serious depressive states are likely to aggravate the already abnormal processing of emotional facial expressions in patients with depression. Moreover, it further suggests that the impaired processing as indexed by N170 amplitude for positive face identification may be a potentially useful biomarker for predicting propagation of depression while N170 amplitude for negative face identification could be a potential biomarker for depression recurrence.
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Affiliation(s)
- Jiu Chen
- Neurologic Department of Affiliated ZhongDa Hospital, Neuropsychiatric Institute and Medical School of Southeast University, Nanjing, Jiangsu Province, China
| | - Wentao Ma
- Center for Mental Disease Control and Prevention, Third Hospital of the People’s Liberation Army, Baoji, Shaanxi Province, China
| | - Yan Zhang
- Center for Mental Disease Control and Prevention, Third Hospital of the People’s Liberation Army, Baoji, Shaanxi Province, China
| | - Xingqu Wu
- Center for Mental Disease Control and Prevention, Third Hospital of the People’s Liberation Army, Baoji, Shaanxi Province, China
| | - Dunhong Wei
- Center for Mental Disease Control and Prevention, Third Hospital of the People’s Liberation Army, Baoji, Shaanxi Province, China
| | - Guangxiong Liu
- Center for Mental Disease Control and Prevention, Third Hospital of the People’s Liberation Army, Baoji, Shaanxi Province, China
| | - Zihe Deng
- Center for Mental Disease Control and Prevention, Third Hospital of the People’s Liberation Army, Baoji, Shaanxi Province, China
| | - Laiqi Yang
- Center for Mental Disease Control and Prevention, Third Hospital of the People’s Liberation Army, Baoji, Shaanxi Province, China
| | - Zhijun Zhang
- Neurologic Department of Affiliated ZhongDa Hospital, Neuropsychiatric Institute and Medical School of Southeast University, Nanjing, Jiangsu Province, China
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McGorry P, Keshavan M, Goldstone S, Amminger P, Allott K, Berk M, Lavoie S, Pantelis C, Yung A, Wood S, Hickie I. Biomarkers and clinical staging in psychiatry. World Psychiatry 2014; 13:211-23. [PMID: 25273285 PMCID: PMC4219053 DOI: 10.1002/wps.20144] [Citation(s) in RCA: 198] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Personalized medicine is rapidly becoming a reality in today's physical medicine. However, as yet this is largely an aspirational goal in psychiatry, despite significant advances in our understanding of the biochemical, genetic and neurobiological processes underlying major mental disorders. Preventive medicine relies on the availability of predictive tools; in psychiatry we still largely lack these. Furthermore, our current diagnostic systems, with their focus on well-established, largely chronic illness, do not support a pre-emptive, let alone a preventive, approach, since it is during the early stages of a disorder that interventions have the potential to offer the greatest benefit. Here, we present a clinical staging model for severe mental disorders and discuss examples of biological markers that have already undergone some systematic evaluation and that could be integrated into such a framework. The advantage of this model is that it explicitly considers the evolution of psychopathology during the development of a mental illness and emphasizes that progression of illness is by no means inevitable, but can be altered by providing appropriate interventions that target individual modifiable risk and protective factors. The specific goals of therapeutic intervention are therefore broadened to include the prevention of illness onset or progression, and to minimize the risk of harm associated with more complex treatment regimens. The staging model also facilitates the integration of new data on the biological, social and environmental factors that influence mental illness into our clinical and diagnostic infrastructure, which will provide a major step forward in the development of a truly pre-emptive psychiatry.
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Affiliation(s)
- Patrick McGorry
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, Department of Psychiatry, University of Melbourne, MelbourneAustralia
| | - Matcheri Keshavan
- Beth Israel Deaconess Medical Centre, Harvard Medical SchoolBoston, MA, USA
| | - Sherilyn Goldstone
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, Department of Psychiatry, University of Melbourne, MelbourneAustralia
| | - Paul Amminger
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, Department of Psychiatry, University of Melbourne, MelbourneAustralia
| | - Kelly Allott
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, Department of Psychiatry, University of Melbourne, MelbourneAustralia
| | - Michael Berk
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, Department of Psychiatry, University of Melbourne, MelbourneAustralia,School of Medicine, Deakin UniversityGeelong, Australia
| | - Suzie Lavoie
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, Department of Psychiatry, University of Melbourne, MelbourneAustralia
| | - Christos Pantelis
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne, MelbourneAustralia
| | - Alison Yung
- Institute of Brain, Behaviour and Mental Health, University of Manchester, ManchesterUK
| | - Stephen Wood
- School of Psychology, University of Birmingham, BirminghamUK
| | - Ian Hickie
- Brain and Mind Research Institute, University of Sydney, SydneyAustralia
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Baune BT, Fuhr M, Air T, Hering C. Neuropsychological functioning in adolescents and young adults with major depressive disorder--a review. Psychiatry Res 2014; 218:261-71. [PMID: 24851725 DOI: 10.1016/j.psychres.2014.04.052] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 04/22/2014] [Accepted: 04/29/2014] [Indexed: 11/29/2022]
Abstract
While neuropsychological dysfunction is a contributor to major depressive disorder (MDD) in adult MDD, little is known about neuropsychological function in MDD during adolescence and early adulthood. The aim of this review is to evaluate literature on neuropsychological function in this young age group. A database search of Medline, the Cochrane database and PsycInfo was conducted. Inclusion/exclusion criteria yielded seven case-control studies on neuropsychological functioning in MDD (12-25 years of age) published since 1995. Effect sizes were calculated. Results show a broader range of statistically significant neuropsychological deficits in MDD compared to controls in the cognitive domains of executive function (EF), working memory (WM), psychomotor and processing speed (PPS), verbal fluency (VF) and visual (-spatial) memory (VM). Most convincingly, three out of four studies investigating WM and three out of four studies investigating PPS found statistically significant impairments in MDD with varying effect sizes. EF deficits were reported only in three out of seven studies with small, medium and large effect sizes. While some evidence was found for impaired VM and VF, no evidence was observed for attention and verbal learning and memory; however, these domains have been less extensively studied. Further research is required to broaden the study base.
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Affiliation(s)
- Bernhard T Baune
- Discipline of Psychiatry, School of Medicine, University of Adelaide, Adelaide, Australia.
| | - Margarete Fuhr
- Discipline of Psychiatry, School of Medicine, University of Adelaide, Adelaide, Australia; Department of Psychology, University of Hildesheim, Hildesheim, Germany
| | - Tracy Air
- Discipline of Psychiatry, School of Medicine, University of Adelaide, Adelaide, Australia
| | - Carola Hering
- Discipline of Psychiatry, School of Medicine, University of Adelaide, Adelaide, Australia
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Pantzar A, Laukka EJ, Atti AR, Papenberg G, Keller L, Graff C, Fratiglioni L, Bäckman L. Interactive effects of KIBRA and CLSTN2 polymorphisms on episodic memory in old-age unipolar depression. Neuropsychologia 2014; 62:137-42. [PMID: 25080189 DOI: 10.1016/j.neuropsychologia.2014.07.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 07/16/2014] [Accepted: 07/18/2014] [Indexed: 02/07/2023]
Abstract
The KIBRA (rs17070145) C-allele and the CLSTN2 (rs6439886) T-allele have both been associated with poorer episodic memory performance. Given that episodic memory is affected in depression, we hypothesized that the combination of these risk alleles would be particularly detrimental to episodic memory performance in depressed persons. In the population-based SNAC-K study, 2170 participants (≥ 60 years) without dementia (DSM-IV criteria) and antidepressant pharmacotherapy were clinically examined and diagnosed following ICD-10 criteria for unipolar depression, and genotyped for KIBRA and CLSTN2. Participants were categorized according to unipolar depression status (yes, no) and genotype combinations (KIBRA: CC, any T; CLSTN2: TT, any C). Critically, a three-way interaction effect showed that the CC/TT genotype combination was associated with poorer episodic recall and recognition performance only in depressed elderly persons, with depressed CC/TT carriers consistently performing at the lowest level. This finding supports the view that effects of genetic polymorphisms on cognitive functioning may be most easily disclosed at suboptimal levels of cognitive ability, such as in old-age depression.
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Affiliation(s)
- Alexandra Pantzar
- Aging Research Center, Karolinska Institutet and Stockholm University, Gävlegatan 16, 113 30 Stockholm, Sweden.
| | - Erika J Laukka
- Aging Research Center, Karolinska Institutet and Stockholm University, Gävlegatan 16, 113 30 Stockholm, Sweden
| | | | - Goran Papenberg
- Aging Research Center, Karolinska Institutet and Stockholm University, Gävlegatan 16, 113 30 Stockholm, Sweden; Max Planck Institute for Human Development, Berlin, Germany
| | - Lina Keller
- Aging Research Center, Karolinska Institutet and Stockholm University, Gävlegatan 16, 113 30 Stockholm, Sweden; Karolinska Institutet, Department NVS, KI-Alzheimer Disease Research Center, Stockholm, Sweden
| | - Caroline Graff
- Karolinska Institutet, Department NVS, KI-Alzheimer Disease Research Center, Stockholm, Sweden; Karolinska University Hospital, Department of Geriatric Medicine, Stockholm, Sweden
| | - Laura Fratiglioni
- Aging Research Center, Karolinska Institutet and Stockholm University, Gävlegatan 16, 113 30 Stockholm, Sweden; Stockholm Gerontology Research Center, Stockholm, Sweden
| | - Lars Bäckman
- Aging Research Center, Karolinska Institutet and Stockholm University, Gävlegatan 16, 113 30 Stockholm, Sweden; Stockholm Gerontology Research Center, Stockholm, Sweden
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Dubois B, Feldman HH, Jacova C, Hampel H, Molinuevo JL, Blennow K, DeKosky ST, Gauthier S, Selkoe D, Bateman R, Cappa S, Crutch S, Engelborghs S, Frisoni GB, Fox NC, Galasko D, Habert MO, Jicha GA, Nordberg A, Pasquier F, Rabinovici G, Robert P, Rowe C, Salloway S, Sarazin M, Epelbaum S, de Souza LC, Vellas B, Visser PJ, Schneider L, Stern Y, Scheltens P, Cummings JL. Advancing research diagnostic criteria for Alzheimer's disease: the IWG-2 criteria. Lancet Neurol 2014; 13:614-29. [PMID: 24849862 DOI: 10.1016/s1474-4422(14)70090-0] [Citation(s) in RCA: 2196] [Impact Index Per Article: 219.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In the past 8 years, both the International Working Group (IWG) and the US National Institute on Aging-Alzheimer's Association have contributed criteria for the diagnosis of Alzheimer's disease (AD) that better define clinical phenotypes and integrate biomarkers into the diagnostic process, covering the full staging of the disease. This Position Paper considers the strengths and limitations of the IWG research diagnostic criteria and proposes advances to improve the diagnostic framework. On the basis of these refinements, the diagnosis of AD can be simplified, requiring the presence of an appropriate clinical AD phenotype (typical or atypical) and a pathophysiological biomarker consistent with the presence of Alzheimer's pathology. We propose that downstream topographical biomarkers of the disease, such as volumetric MRI and fluorodeoxyglucose PET, might better serve in the measurement and monitoring of the course of disease. This paper also elaborates on the specific diagnostic criteria for atypical forms of AD, for mixed AD, and for the preclinical states of AD.
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Affiliation(s)
- Bruno Dubois
- Centre des Maladies Cognitives et Comportementales, Institut du Cerveau et de la Moelle épinière, Paris, France; Université Pierre et Marie Curie-Paris 6, AP-HP, Hôpital de la Salpêtrière, Paris, France.
| | - Howard H Feldman
- Division of Neurology, University of British Columbia and Vancouver Coastal Health, Vancouver, BC, Canada
| | - Claudia Jacova
- UBC Division of Neurology, S152 UBC Hospital, BC, Canada
| | - Harald Hampel
- Centre des Maladies Cognitives et Comportementales, Institut du Cerveau et de la Moelle épinière, Paris, France; Université Pierre et Marie Curie-Paris 6, AP-HP, Hôpital de la Salpêtrière, Paris, France
| | - José Luis Molinuevo
- Alzheimer's Disease and Other Cognitive Disorders Unit, Neurology Service, IDIBAPS Hospital Clinici Universitari, Barcelona, Spain; BarcelonaBeta Brain Research Centre, Fundació Pasqual Maragall, Barcelona, Spain
| | - Kaj Blennow
- Clinical Neurochemistry Laboratory, Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, The Sahlgrenska Academy at University of Gothenburg, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Steven T DeKosky
- Department of Neurology, University of Virginia, Charlottesville, VA, USA
| | - Serge Gauthier
- McGill Center for Studies in Aging, Douglas Hospital, Montreal, Quebec, QC, Canada
| | - Dennis Selkoe
- Harvard Medical School Center for Neurologic Diseases, Brigham and Women's Hospital, Boston, MA, USA
| | - Randall Bateman
- Washington University School of Medicine, St Louis, Missouri, MO, USA
| | - Stefano Cappa
- Vita-Salute San Raffaele University, Milan, Italy; Department of Clinical Neurosciences, Cognitive Neurorehabilitation, Milan, Italy
| | - Sebastian Crutch
- Dementia Research Centre, Department of Neurodegeneration, Institute of Neurology, University College London, London, UK; Dementia Research Centre, National Hospital, London, UK
| | - Sebastiaan Engelborghs
- Department of Neurology and Memory Clinic, Hospital Network Antwerp (ZNA), Middelheim and Hoge Beuken, Antwerp, Belgium; Reference Centre for Biological Markers of Dementia, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
| | - Giovanni B Frisoni
- Hopitaux Universitaires et Université de Genève, Geneva, Switzerland; IRCCS Fatebenefratelli, Brescia, Italy; HUG Belle-Idée, bâtiment les Voirons, Chêne-Bourg, France
| | - Nick C Fox
- Dementia Research Centre, Department of Neurodegeneration, Institute of Neurology, University College London, London, UK
| | - Douglas Galasko
- Department of Neurosciences, -University of California, San Diego, CA, USA
| | - Marie-Odile Habert
- INSERM UMR, Paris, France; AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Service de Médecine Nucléaire, Paris, France
| | - Gregory A Jicha
- University of Kentucky Alzheimer's Disease Center, Lexington, KY, USA
| | - Agneta Nordberg
- Karolinska Institutet, Karolinska University Hospital Huddinge, Alzheimer Neurobiology Center, Stockholm, Sweden
| | - Florence Pasquier
- Université Lille Nord de France, Lille, France; CHRU, Clinique Neurologique, Hôpital Roger Salengro, Lille, France
| | - Gil Rabinovici
- UCSF Memory & Aging Center, Department of Neurology, University of California, San Francisco, CA, USA
| | - Philippe Robert
- EA CoBTeK and Memory Center, CHU University of Nice, UNSA, Hôpital de Cimiez 4 av Victoria, Nice, France
| | - Christopher Rowe
- FRACP, Department of Nuclear Medicine and Centre for PET, Austin Health, Heidelberg, Melbourne, VIC, Australia
| | - Stephen Salloway
- Neurology and the Memory and Aging Program, Butler Hospital, Department of Neurology and Psychiatry, The Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Marie Sarazin
- Neurologie de la Mémoire et du Langage, Centre Hospitalier Sainte-Anne, Paris Cedex, France; Université Paris 5, Paris, France
| | - Stéphane Epelbaum
- Centre des Maladies Cognitives et Comportementales, Institut du Cerveau et de la Moelle épinière, Paris, France; Université Pierre et Marie Curie-Paris 6, AP-HP, Hôpital de la Salpêtrière, Paris, France
| | - Leonardo C de Souza
- Centre des Maladies Cognitives et Comportementales, Institut du Cerveau et de la Moelle épinière, Paris, France; Université Pierre et Marie Curie-Paris 6, AP-HP, Hôpital de la Salpêtrière, Paris, France; Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Bruno Vellas
- Gerontopole, Pavillon Junod, University Toulouse 3, Toulouse, France
| | - Pieter J Visser
- Department of Psychiatry and Neuropsychology, Alzheimer Centre Limburg, School of Mental Health and Neuroscience, Maastricht University Medical Centre, Maastricht, Netherlands; Department of Neurology and Alzheimer Center, Amsterdam, Netherlands
| | - Lon Schneider
- Department of Psychiatry, Neurology, and Gerontology, Keck School of Medicine of USC, Los Angeles, CA, USA
| | - Yaakov Stern
- Cognitive Neuroscience Division of the Taub Institute, Presbyterian Hospital, New York, NY, USA
| | - Philip Scheltens
- Alzheimer Centrum Vrije Universiteit Medical Center, VU University, Amsterdam, Netherlands
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Pauls F, Petermann F, Lepach AC. Episodic memory and executive functioning in currently depressed patients compared to healthy controls. Cogn Emot 2014; 29:383-400. [DOI: 10.1080/02699931.2014.915208] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Franz Pauls
- Center of Clinical Psychology and Rehabilitation, University of Bremen , Bremen, Germany
| | - Franz Petermann
- Center of Clinical Psychology and Rehabilitation, University of Bremen , Bremen, Germany
| | - Anja Christina Lepach
- Center of Clinical Psychology and Rehabilitation, University of Bremen , Bremen, Germany
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Gallagher P, Gray JM, Watson S, Young AH, Ferrier IN. Neurocognitive functioning in bipolar depression: a component structure analysis. Psychol Med 2014; 44:961-974. [PMID: 23800475 DOI: 10.1017/s0033291713001487] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Previous studies of neurocognitive performance in bipolar disorder (BD) have focused predominantly on euthymia. In this study we aimed to compare the neurocognitive profile of BD patients when depressed with healthy controls and explore the component structure of neurocognitive processes in these populations. METHOD Cognitive tests of attention and executive function, immediate memory, verbal and visuospatial learning and memory and psychomotor speed were administered to 53 patients with a SCID-verified diagnosis of BD depression and 47 healthy controls. Test performance was assessed in terms of statistical significance, effect size and percentile standing. Principal component analysis (PCA) was used to explore underlying cognitive factor structure. RESULTS Multivariate analysis revealed an overall group effect, depressed BD patients performing significantly worse than controls. Patients performed significantly worse on 18/26 measures examined, with large effect sizes (d > 0.8) on tests of speed of processing, verbal learning and specific executive/working memory processes. Almost all tests produced at least one outcome measure on which ∼25-50% of the BD sample performed at more than 1 standard deviation (s.d.) below the control mean. Between 20% and 34% of patients performed at or below the fifth percentile of the control group in working memory, verbal learning and memory, and psychomotor/processing speed. PCA highlighted overall differences between groups, with fewer extracted components and less specificity in patients. CONCLUSIONS Overall, neurocognitive test performance is significantly reduced in BD patients when depressed. The use of different methods of analysing cognitive performance is highlighted, along with the relationship between processes, indicating important directions for future research.
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Affiliation(s)
- P Gallagher
- Institute of Neuroscience (Academic Psychiatry), Newcastle University, UK
| | - J M Gray
- Institute of Neuroscience (Academic Psychiatry), Newcastle University, UK
| | - S Watson
- Institute of Neuroscience (Academic Psychiatry), Newcastle University, UK
| | - A H Young
- Centre for Mental Health, Imperial College London, UK
| | - I N Ferrier
- Institute of Neuroscience (Academic Psychiatry), Newcastle University, UK
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Cahill CM, Malhi GS, Ivanovski B, Lagopoulos J, Cohen M. Cognitive compromise in bipolar disorder with chronic cannabis use: cause or consequence? Expert Rev Neurother 2014; 6:591-8. [PMID: 16623657 DOI: 10.1586/14737175.6.4.591] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This article briefly reviews the neuropsychological deficits associated with bipolar disorder and examines how substance abuse, in particular chronic cannabis use, may contribute to these. The focus of the article is cannabis, owing to its popularity in patients with bipolar disorder, although many studies focus on its use in conjunction with other substances. The findings are contextualized within bipolar disorder, examining functional outcome.
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Concerto C, Lanza G, Cantone M, Pennisi M, Giordano D, Spampinato C, Ricceri R, Pennisi G, Aguglia E, Bella R. Different patterns of cortical excitability in major depression and vascular depression: a transcranial magnetic stimulation study. BMC Psychiatry 2013; 13:300. [PMID: 24206945 PMCID: PMC4226249 DOI: 10.1186/1471-244x-13-300] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Accepted: 10/29/2013] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Clinical and functional studies consider major depression (MD) and vascular depression (VD) as different neurobiological processes. Hypoexcitability of the left frontal cortex to transcranial magnetic stimulation (TMS) is frequently reported in MD, whereas little is known about the effects of TMS in VD. Thus, we aimed to assess and compare motor cortex excitability in patients with VD and MD. METHODS Eleven VD patients, 11 recurrent drug-resistant MD patients, and 11 healthy controls underwent clinical, neuropsychological and neuroimaging evaluations in addition to bilateral resting motor threshold, cortical silent period, and paired-pulse TMS curves of intracortical excitability. All patients continued on psychotropic drugs, which were unchanged throughout the study. RESULTS Scores on one of the tests evaluating frontal lobe abilities (Stroop Color-Word interference test) were worse in patients compared with controls. The resting motor threshold in patients with MD was significantly higher in the left hemisphere compared with the right (p < 0.05), and compared with the VD patients and controls. The cortical silent period was bilaterally prolonged in MD patients compared with VD patients and controls, with a statistically significant difference in the left hemisphere (p < 0.01). No differences were observed in the paired-pulse curves between patients and controls. CONCLUSIONS This study showed distinctive patterns of motor cortex excitability between late-onset depression with subcortical vascular disease and early-onset recurrent drug resistant MD. The data provide a TMS model of the different processes underlying VD and MD. Additionally, our results support the "Vascular depression hypothesis" at the neurophysiological level, and confirm the inter-hemispheric asymmetry to TMS in patients with MD. We were unable to support previous findings of impaired intracortical inhibitory mechanisms to TMS in patients with MD, although a drug-induced effect on our results cannot be excluded. This study may aid the understanding of the pathogenetic differences underlying the clinical spectrum of depressive disorders.
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Affiliation(s)
- Carmen Concerto
- Unit of Psychiatry, Department of Clinical and Molecular Biomedicine, University of Catania, Via Santa Sofia, 78-95123 Catania, Italy
| | - Giuseppe Lanza
- Department “G.F. Ingrassia”, Section of Neurosciences, University of Catania, Via Santa Sofia, 78-95123 Catania, Italy
| | - Mariagiovanna Cantone
- Department “G.F. Ingrassia”, Section of Neurosciences, University of Catania, Via Santa Sofia, 78-95123 Catania, Italy
| | - Manuela Pennisi
- Department of Chemistry, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Daniela Giordano
- Department of Electrical, Electronics and Informatics Engineering, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Concetto Spampinato
- Department of Electrical, Electronics and Informatics Engineering, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Riccardo Ricceri
- Department “G.F. Ingrassia”, Section of Neurosciences, University of Catania, Via Santa Sofia, 78-95123 Catania, Italy
| | - Giovanni Pennisi
- Department “G.F. Ingrassia”, Section of Neurosciences, University of Catania, Via Santa Sofia, 78-95123 Catania, Italy
| | - Eugenio Aguglia
- Unit of Psychiatry, Department of Clinical and Molecular Biomedicine, University of Catania, Via Santa Sofia, 78-95123 Catania, Italy
| | - Rita Bella
- Department “G.F. Ingrassia”, Section of Neurosciences, University of Catania, Via Santa Sofia, 78-95123 Catania, Italy
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