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Bălăeţ M, Alhajraf F, Zerenner T, Welch J, Razzaque J, Lo C, Giunchiglia V, Trender W, Lerede A, Hellyer PJ, Manohar SG, Malhotra P, Hu M, Hampshire A. Online cognitive monitoring technology for people with Parkinson's disease and REM sleep behavioural disorder. NPJ Digit Med 2024; 7:118. [PMID: 38714742 PMCID: PMC11076465 DOI: 10.1038/s41746-024-01124-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 04/23/2024] [Indexed: 05/10/2024] Open
Abstract
Automated online cognitive assessments are set to revolutionise clinical research and healthcare. However, their applicability for Parkinson's Disease (PD) and REM Sleep Behavioural Disorder (RBD), a strong PD precursor, is underexplored. Here, we developed an online battery to measure early cognitive changes in PD and RBD. Evaluating 19 candidate tasks showed significant global accuracy deficits in PD (0.65 SD, p = 0.003) and RBD (0.45 SD, p = 0.027), driven by memory, language, attention and executive underperformance, and global reaction time deficits in PD (0.61 SD, p = 0.001). We identified a brief 20-min battery that had sensitivity to deficits across these cognitive domains while being robust to the device used. This battery was more sensitive to early-stage and prodromal deficits than the supervised neuropsychological scales. It also diverged from those scales, capturing additional cognitive factors sensitive to PD and RBD. This technology offers an economical and scalable method for assessing these populations that can complement standard supervised practices.
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Affiliation(s)
- Maria Bălăeţ
- Department of Brain Sciences, Imperial College London, London, UK.
| | - Falah Alhajraf
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Tanja Zerenner
- Population Health Sciences, University of Bristol, Bristol, UK
| | - Jessica Welch
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Jamil Razzaque
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Christine Lo
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | | | - William Trender
- Department of Brain Sciences, Imperial College London, London, UK
| | - Annalaura Lerede
- Department of Brain Sciences, Imperial College London, London, UK
| | - Peter J Hellyer
- Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Sanjay G Manohar
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Paresh Malhotra
- Department of Brain Sciences, Imperial College London, London, UK
| | - Michele Hu
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Adam Hampshire
- Department of Brain Sciences, Imperial College London, London, UK
- Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
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Leitner C, D'Este G, Verga L, Rahayel S, Mombelli S, Sforza M, Casoni F, Zucconi M, Ferini-Strambi L, Galbiati A. Neuropsychological Changes in Isolated REM Sleep Behavior Disorder: A Systematic Review and Meta-analysis of Cross-sectional and Longitudinal Studies. Neuropsychol Rev 2024; 34:41-66. [PMID: 36588140 DOI: 10.1007/s11065-022-09572-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 11/28/2022] [Indexed: 01/03/2023]
Abstract
The aim of this meta-analysis is twofold: (a) to assess cognitive impairments in isolated rapid eye movement (REM) sleep behavior disorder (iRBD) patients compared to healthy controls (HC); (b) to quantitatively estimate the risk of developing a neurodegenerative disease in iRBD patients according to baseline cognitive assessment. To address the first aim, cross-sectional studies including polysomnography-confirmed iRBD patients, HC, and reporting neuropsychological testing were included. To address the second aim, longitudinal studies including polysomnography-confirmed iRBD patients, reporting baseline neuropsychological testing for converted and still isolated patients separately were included. The literature search was conducted based on PRISMA guidelines and the protocol was registered at PROSPERO (CRD42021253427). Cross-sectional and longitudinal studies were searched from PubMed, Web of Science, Scopus, and Embase databases. Publication bias and statistical heterogeneity were assessed respectively by funnel plot asymmetry and using I2. Finally, a random-effect model was performed to pool the included studies. 75 cross-sectional (2,398 HC and 2,460 iRBD patients) and 11 longitudinal (495 iRBD patients) studies were selected. Cross-sectional studies showed that iRBD patients performed significantly worse in cognitive screening scores (random-effects (RE) model = -0.69), memory (RE model = -0.64), and executive function (RE model = -0.50) domains compared to HC. The survival analyses conducted for longitudinal studies revealed that lower executive function and language performance, as well as the presence of mild cognitive impairment (MCI), at baseline were associated with an increased risk of conversion at follow-up. Our study underlines the importance of a comprehensive neuropsychological assessment in the context of iRBD.
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Affiliation(s)
- Caterina Leitner
- "Vita-Salute" San Raffaele University, Milan, Italy
- Department of Clinical Neurosciences, Neurology - Sleep Disorders Center, IRCCS San Raffaele Scientific Institute, Via Stamira d'Ancona, 20, 20127, Milan, Italy
| | - Giada D'Este
- "Vita-Salute" San Raffaele University, Milan, Italy
- Department of Clinical Neurosciences, Neurology - Sleep Disorders Center, IRCCS San Raffaele Scientific Institute, Via Stamira d'Ancona, 20, 20127, Milan, Italy
| | - Laura Verga
- Comparative Bioacoustics Group, Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands
- Faculty of Psychology and Neuroscience, Department NP&PP, Maastricht University, Maastricht, The Netherlands
| | - Shady Rahayel
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montreal, QC, Canada
- Center for Advanced Research in Sleep Medicine, Centre Intégré Universitaire de Santé et de Services Sociaux du Nord-de-l'Île-de-Montréal - Hôpital du Sacré-Cœur de Montréal, Montréal, QC, Canada
| | - Samantha Mombelli
- Department of Clinical Neurosciences, Neurology - Sleep Disorders Center, IRCCS San Raffaele Scientific Institute, Via Stamira d'Ancona, 20, 20127, Milan, Italy
| | - Marco Sforza
- "Vita-Salute" San Raffaele University, Milan, Italy
- Department of Clinical Neurosciences, Neurology - Sleep Disorders Center, IRCCS San Raffaele Scientific Institute, Via Stamira d'Ancona, 20, 20127, Milan, Italy
| | - Francesca Casoni
- Department of Clinical Neurosciences, Neurology - Sleep Disorders Center, IRCCS San Raffaele Scientific Institute, Via Stamira d'Ancona, 20, 20127, Milan, Italy
| | - Marco Zucconi
- Department of Clinical Neurosciences, Neurology - Sleep Disorders Center, IRCCS San Raffaele Scientific Institute, Via Stamira d'Ancona, 20, 20127, Milan, Italy
| | - Luigi Ferini-Strambi
- "Vita-Salute" San Raffaele University, Milan, Italy
- Department of Clinical Neurosciences, Neurology - Sleep Disorders Center, IRCCS San Raffaele Scientific Institute, Via Stamira d'Ancona, 20, 20127, Milan, Italy
| | - Andrea Galbiati
- "Vita-Salute" San Raffaele University, Milan, Italy.
- Department of Clinical Neurosciences, Neurology - Sleep Disorders Center, IRCCS San Raffaele Scientific Institute, Via Stamira d'Ancona, 20, 20127, Milan, Italy.
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Caballero HS, McFall GP, Gee M, MacDonald S, Phillips NA, Fogarty J, Montero-Odasso M, Camicioli R, Dixon RA. Cognitive Speed in Neurodegenerative Disease: Comparing Mean Rate and Inconsistency Within and Across the Alzheimer's and Lewy Body Spectra in the COMPASS-ND Study. J Alzheimers Dis 2024; 100:579-601. [PMID: 38875040 DOI: 10.3233/jad-240210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2024]
Abstract
Background Alzheimer's disease (AD) and Lewy body disease (LBD) are characterized by early and gradual worsening perturbations in speeded cognitive responses. Objective Using simple and choice reaction time tasks, we compared two indicators of cognitive speed within and across the AD and LBD spectra: mean rate (average reaction time across trials) and inconsistency (within person variability). Methods The AD spectrum cohorts included subjective cognitive impairment (SCI, n = 28), mild cognitive impairment (MCI, n = 121), and AD (n = 45) participants. The LBD spectrum included Parkinson's disease (PD, n = 32), mild cognitive impairment in PD (PD-MCI, n = 21), and LBD (n = 18) participants. A cognitively unimpaired (CU, n = 39) cohort served as common benchmark. We conducted multivariate analyses of variance and discrimination analyses. Results Within the AD spectrum, the AD cohort was slower and more inconsistent than the CU, SCI, and MCI cohorts. The MCI cohort was slower than the CU cohort. Within the LBD spectrum, the LBD cohort was slower and more inconsistent than the CU, PD, and PD-MCI cohorts. The PD-MCI cohort was slower than the CU and PD cohorts. In cross-spectra (corresponding cohort) comparisons, the LBD cohort was slower and more inconsistent than the AD cohort. The PD-MCI cohort was slower than the MCI cohort. Discrimination analyses clarified the group difference patterns. Conclusions For both speed tasks, mean rate and inconsistency demonstrated similar sensitivity to spectra-related comparisons. Both dementia cohorts were slower and more inconsistent than each of their respective non-dementia cohorts.
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Affiliation(s)
- H Sebastian Caballero
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
| | - G Peggy McFall
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
- Department of Psychology, University of Alberta, Edmonton, AB, Canada
| | - Myrlene Gee
- Department of Medicine (Neurology), University of Alberta, Edmonton, AB, Canada
| | - Stuart MacDonald
- Department of Psychology, University of Victoria, Victoria, BC, Canada
| | | | | | | | - Richard Camicioli
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
- Department of Medicine (Neurology), University of Alberta, Edmonton, AB, Canada
| | - Roger A Dixon
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
- Department of Psychology, University of Alberta, Edmonton, AB, Canada
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Wang W, Baker K, Umamahesan C, Gilmour S, Charlett A, Taylor D, Young AH, Dobbs RJ, Dobbs SM. Bradyphrenia and Tachyphrenia in Idiopathic Parkinsonism Appear, in Part, Iatrogenic: An Observational Study with Systematic Review Background. J Clin Med 2023; 12:6499. [PMID: 37892637 PMCID: PMC10607457 DOI: 10.3390/jcm12206499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/26/2023] [Accepted: 10/04/2023] [Indexed: 10/29/2023] Open
Abstract
We question whether bradyphrenia, slowing of cognitive processing not explained by depression or a global cognitive assessment, is a nosological entity in idiopathic parkinsonism (IP). The time taken to break contact of an index finger with a touch-sensitive plate was measured, with and without a warning in the alerting signal as to which side the imperative would indicate, in 77 people diagnosed with IP and in 124 people without an IP diagnosis. The ability to utilise a warning, measured by the difference between loge-transformed reaction times (unwarned minus warned), was termed 'cognitive efficiency'. It was approximately normally distributed. A questionnaire on self- and partner perception of proband's bradyphrenia was applied. A multivariable model showed that those prescribed levodopa were less cognitively efficient (mean -5.2 (CI -9.5, -1.0)% per 300 mg/day, p = 0.02), but those prescribed the anti-muscarinic trihexyphenidyl were more efficient (14.7 (0.2, 31.3)% per 4 mg/day, p < 0.05) and those prescribed monoamine oxidase-B inhibitor (MAOBI) tended to be more efficient (8.3 (0.0, 17.4)%, p = 0.07). The variance in efficiency was greater within IP (F-test, p = 0.01 adjusted for any demographic covariates: coefficient of variation, with and without IP, 0.68 and 0.46, respectively), but not so after adjustment for anti-parkinsonian medication (p = 0.13: coefficient of variation 0.62). The within-participant follow-up time, a median of 4.8 (interquartile range 3.1, 5.5) years (101 participants), did not influence efficiency, irrespective of IP status. Perception of bradyphrenia did not usefully predict efficiency. We conclude that both bradyphrenia and 'tachyphrenia' in IP appear to have iatrogenic components, of clinically important size, related to the dose of antiparkinsonian medication. Levodopa is the most commonly prescribed first-line medication: co-prescribing a MAOBI may circumvent its associated bradyphrenia. The previously reported greater efficiency associated with (low-dose) anti-muscarinic was confirmed.
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Affiliation(s)
- Wenjing Wang
- South London and Maudsley NHS Foundation Trust, London SE5 8AB, UK (C.U.); (D.T.); (A.H.Y.)
- Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London SE5 8AF, UK
| | - Kieran Baker
- Department of Mathematics, King’s College London, London WC2R 2LS, UK (S.G.)
| | - Chianna Umamahesan
- South London and Maudsley NHS Foundation Trust, London SE5 8AB, UK (C.U.); (D.T.); (A.H.Y.)
- Institute of Pharmaceutical Science, King’s College London, London SE1 9NH, UK;
| | - Steven Gilmour
- Department of Mathematics, King’s College London, London WC2R 2LS, UK (S.G.)
| | - André Charlett
- Institute of Pharmaceutical Science, King’s College London, London SE1 9NH, UK;
- Statistics, Modelling and Economics, UK Health Security Agency, London NW9 5EQ, UK
| | - David Taylor
- South London and Maudsley NHS Foundation Trust, London SE5 8AB, UK (C.U.); (D.T.); (A.H.Y.)
- Institute of Pharmaceutical Science, King’s College London, London SE1 9NH, UK;
| | - Allan H. Young
- South London and Maudsley NHS Foundation Trust, London SE5 8AB, UK (C.U.); (D.T.); (A.H.Y.)
- Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London SE5 8AF, UK
| | - R. John Dobbs
- South London and Maudsley NHS Foundation Trust, London SE5 8AB, UK (C.U.); (D.T.); (A.H.Y.)
- Institute of Pharmaceutical Science, King’s College London, London SE1 9NH, UK;
- Department of Gastroenterology, King’s College Hospital, London SE5 9RS, UK
| | - Sylvia M. Dobbs
- South London and Maudsley NHS Foundation Trust, London SE5 8AB, UK (C.U.); (D.T.); (A.H.Y.)
- Institute of Pharmaceutical Science, King’s College London, London SE1 9NH, UK;
- Department of Gastroenterology, King’s College Hospital, London SE5 9RS, UK
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Campo-Prieto P, Cancela-Carral JM, Rodríguez-Fuentes G. Immersive Virtual Reality Reaction Time Test and Relationship with the Risk of Falling in Parkinson's Disease. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23094529. [PMID: 37177733 PMCID: PMC10181617 DOI: 10.3390/s23094529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/02/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023]
Abstract
Immersive virtual reality (IVR) uses customized and advanced software and hardware to create a digital 3D reality in which all of the user's senses are stimulated with computer-generated sensations and feedback. This technology is a promising tool that has already proven useful in Parkinson's disease (PD). The risk of falls is very high in people with PD, and reaction times and processing speed may be markers of postural instability and functionality, cognitive impairment and disease progression. An exploratory study was conducted to explore the feasibility of reaction time tests performed in IVR as predictors of falls. A total of 26 volunteers (79.2% male; 69.73 ± 6.32 years) diagnosed with PD (1.54 ± 0.90 H&Y stage; 26.92 ± 2.64 MMSE) took part in the study. IVR intervention was feasible, with no adverse effects (no Simulator Sickness Questionnaire symptoms). IVR reaction times were related (Spearman's rho) to functionality (timed up and go test (TUG) (rho = 0.537, p = 0.005); TUG-Cognitive (rho = 0.576, p = 0.020); cognitive impairment mini mental state exam (MMSE) (rho = -0.576, p = 0.002)) and the years of the patients (rho = 0.399, p = 0.043) but not with the first PD symptom or disease stage. IVR test is a complementary assessment tool that may contribute to preventing falls in the proposed sample. Additionally, based on the relationship between TUG and reaction times, a cut-off time is suggested that would be effective at predicting the risk of suffering a fall in PD patients using a simple and quick IVR test.
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Affiliation(s)
- Pablo Campo-Prieto
- Faculty of Physiotherapy, Department of Functional Biology and Health Sciences, University of Vigo, HealthyFit Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, E-36005 Pontevedra, Spain
| | - José Mª Cancela-Carral
- Faculty of Education and Sports Science, Department of Special Didactics, University of Vigo, HealthyFit Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, E-36005 Pontevedra, Spain
| | - Gustavo Rodríguez-Fuentes
- Faculty of Physiotherapy, Department of Functional Biology and Health Sciences, University of Vigo, HealthyFit Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, E-36005 Pontevedra, Spain
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Campo-Prieto P, Cancela-Carral JM, Rodríguez-Fuentes G. Feasibility and Effects of an Immersive Virtual Reality Exergame Program on Physical Functions in Institutionalized Older Adults: A Randomized Clinical Trial. SENSORS (BASEL, SWITZERLAND) 2022; 22:6742. [PMID: 36146092 PMCID: PMC9505598 DOI: 10.3390/s22186742] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 08/29/2022] [Accepted: 09/06/2022] [Indexed: 06/16/2023]
Abstract
One of the pillars which underpins active aging is found in the performance of physical activity. While adherence to physical activity programs has traditionally been low in older people, immersive virtual reality (IVR) could provide an alternative and complementary training mode. A randomized clinical trial was conducted to explore the feasibility and effects of a 10-week IVR exergame program on physical functions of 24 institutionalized older adults who were allocated to an experimental group (EG n = 13; 85.08 ± 8.48 years) and control group (CG n = 11; 84.82 ± 8.10 years). The IVR intervention was feasible, with no adverse effects being reported (no Simulator Sickness Questionnaire symptoms; low negative experience scores on the Game Experience Questionnaire < 0.34/4), no dropouts, high adherence, and good post-gaming usability (System Usability Scale > 73.96%). The EG showed significant improvements: Tinetti scores for balance (1.84 ± 1.06; p < 0.001), gait (1.00 ± 1.08; p < 0.001), total score (2.84 ± 1.67; p < 0.001), and handgrip (4.96 ± 4.22; p < 0.001) (pre−post assessment). The CG showed significantly worsened compared to the EG: Five times sit-to-stand test, Tinetti scores for balance, gait, and total score, and the Timed Up and Go test total score (post-assessment). The findings show that the IVR intervention is a feasible method to approach a personalized exercise program and an effective way by which to improve physical function in the target population.
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Affiliation(s)
- Pablo Campo-Prieto
- Department of Functional Biology and Health Sciences, Faculty of Physiotherapy, University of Vigo, 36005 Pontevedra, Spain
- HealthyFit Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), Sergas-UVIGO, 36213 Vigo, Spain
| | - José Mª Cancela-Carral
- HealthyFit Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), Sergas-UVIGO, 36213 Vigo, Spain
- Department of Special Didactics, Faculty of Education and Sports Science, University of Vigo, 36005 Pontevedra, Spain
| | - Gustavo Rodríguez-Fuentes
- Department of Functional Biology and Health Sciences, Faculty of Physiotherapy, University of Vigo, 36005 Pontevedra, Spain
- HealthyFit Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), Sergas-UVIGO, 36213 Vigo, Spain
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Simón-Martínez V, Laseca-Zaballa G, Lubrini G, Periáñez JA, Martínez Álvarez R, Torres-Díaz CV, Martínez Moreno N, Álvarez-Linera J, Ríos-Lago M. Cognitive deficits and clinical symptoms in patients with treatment-refractory obsessive-compulsive disorder: The role of slowness in information processing. Psychiatry Res 2021; 304:114143. [PMID: 34343878 DOI: 10.1016/j.psychres.2021.114143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/15/2021] [Accepted: 07/24/2021] [Indexed: 02/05/2023]
Abstract
Patients with Obsessive-Compulsive Disorder (OCD) present neuropsychological deficits across different cognitive domains, especially in executive functioning and information processing speed. Some studies have even suggested that speed deficits may underlie poor neuropsychological performance. However, this hypothesis remains unanswered in both OCD general population and OCD refractory subgroup. In addition, it is not clear whether such deficits are secondary to the clinical symptoms or may constitute a primary deficit. The aim of this study was to explore the speed of processing hypothesis in treatment-refractory OCD patients, and to clarify to what extent slowness is related to psychopathological symptoms. Both clinical and neuropsychological examination was conducted to assess 39 OCD refractory patients candidates for neurosurgery and 39 healthy matched individuals. Principal component analysis revealed a three-component structure in the neuropsychological battery being used, including a speed of processing, working memory, and conflict monitoring components. Group comparisons revealed that OCD patients performed significantly worse than healthy individuals in speed measures, but no differences were found in executive tests not influenced by time. Correlation analyses revealed a lack of association between neuropsychological and clinical measures. The results suggest that treatment-refractory OCD patients exhibit a primary deficit in information processing speed independent of clinical symptoms.
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Affiliation(s)
| | | | - Genny Lubrini
- Department Experimental Psychology, Complutense University of Madrid, Spain
| | - José A Periáñez
- Department Experimental Psychology, Complutense University of Madrid, Spain
| | - Roberto Martínez Álvarez
- Department of Radiosurgery and Functional Neurosurgery, Ruber International Hospital, Madrid, Spain
| | - Cristina V Torres-Díaz
- Department of Radiosurgery and Functional Neurosurgery, Ruber International Hospital, Madrid, Spain
| | - Nuria Martínez Moreno
- Department of Radiosurgery and Functional Neurosurgery, Ruber International Hospital, Madrid, Spain
| | | | - Marcos Ríos-Lago
- Department Basic Psychology II, UNED, Madrid, Spain; Brain Damage Service, Beata Maria Ana Hospital, Madrid, Spain.
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8
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Arroyo-Ferrer A, Andreo J, Periáñez JA, Ríos-Lago M, Lubrini G, Herreros-Rodríguez J, García-Caldentey J, Romero JP. Computerized Simple Reaction Time and Balance in Nondemented Parkinson's Patients. NEURODEGENER DIS 2021; 20:193-199. [PMID: 34274926 DOI: 10.1159/000517437] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 05/23/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Parkinson's disease (PD) patients are known to suffer from subtle cognitive and balance deficits from the early stages although they usually manifest in advanced stages. Postural instability (PI) has been correlated with slower information processing speed. Simple reaction time (SRT) tasks can be used to measure the speed of information processing. The main objective of this study was to examine the usefulness of SRT as a valid predictor of balance in PD, thus providing a simple and complementary assessment method. METHODS This cross-sectional study included 52 PD patients without dementia who were evaluated for balance using the pull test (PT) maneuver and Biodex® limits of stability (LOS). In addition, a reaction time task was used to measure processing speed. Correlation and linear regression analyses were performed. RESULTS The performance of SRT tasks was correlated with the evaluation of LOS% and PT, suggesting that the SRT may be a predictor of balance performance. Longer reaction time and poorer postural stability were also associated with disease duration but not with age. CONCLUSIONS Poor performance in a simple reaction task can predict altered PI and can complement staging and evaluation in PD patients.
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Affiliation(s)
- Aida Arroyo-Ferrer
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Madrid, Spain
| | - Jorge Andreo
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Madrid, Spain
| | - José A Periáñez
- Department of Experimental Psychology, Universidad Complutense de Madrid, Madrid, Spain
| | - Marcos Ríos-Lago
- Basic Psychology II Department, UNED, Madrid, Spain.,Brain Damage Unit, Hospital Beata María Ana, Madrid, Spain
| | - Genny Lubrini
- Department of Experimental Psychology, Universidad Complutense de Madrid, Madrid, Spain
| | | | | | - Juan Pablo Romero
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Madrid, Spain.,Brain Damage Unit, Hospital Beata María Ana, Madrid, Spain
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Arroyo-Ferrer A, Sánchez-Cuesta FJ, González-Zamorano Y, del Castillo MD, Sastre-Barrios C, Ríos-Lago M, Romero JP. Validation of Cognitive Rehabilitation as a Balance Rehabilitation Strategy in Patients with Parkinson's Disease: Study Protocol for a Randomized Controlled Trial. MEDICINA (KAUNAS, LITHUANIA) 2021; 57:314. [PMID: 33810477 PMCID: PMC8065776 DOI: 10.3390/medicina57040314] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/21/2021] [Accepted: 03/23/2021] [Indexed: 11/17/2022]
Abstract
Background: Parkinson's disease (PD) is the second most common neurodegenerative disorder. This disease is characterized by motor symptoms, such as bradykinesia, tremor, and rigidity. Although balance impairment is characteristic of advanced stages, it can be present with less intensity since the beginning of the disease. Approximately 60% of PD patients fall once a year and 40% recurrently. On the other hand, cognitive symptoms affect up to 20% of patients with PD in early stages and can even precede the onset of motor symptoms. There are cognitive requirements for balance and can be challenged when attention is diverted or reduced, linking a worse balance and a higher probability of falls with a slower cognitive processing speed and attentional problems. Cognitive rehabilitation of attention and processing speed can lead to an improvement in postural stability in patients with Parkinson's. Methods: We present a parallel and controlled randomized clinical trial (RCT) to assess the impact on balance of a protocol based on cognitive rehabilitation focused on sustained attention through the NeuronUP platform (Neuronup SI, La Rioja, Spain) in patients with PD. For 4 weeks, patients in the experimental group will receive cognitive therapy three days a week while the control group will not receive any therapy. The protocol has been registered at trials.gov NCT04730466. Conclusions: Cognitive therapy efficacy on balance improvement may open the possibility of new rehabilitation strategies for prevention of falls in PD, reducing morbidity, and saving costs to the health care system.
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Affiliation(s)
- Aida Arroyo-Ferrer
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain; (A.A.-F.); (F.J.S.-C.); (Y.G.-Z.)
| | - Francisco José Sánchez-Cuesta
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain; (A.A.-F.); (F.J.S.-C.); (Y.G.-Z.)
| | - Yeray González-Zamorano
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain; (A.A.-F.); (F.J.S.-C.); (Y.G.-Z.)
- Escuela Internacional de Doctorado, Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, Alcorcón, 28933 Madrid, Spain
| | - María Dolores del Castillo
- Neural and Cognitive Engineering Group, Centre for Automation and Robotics, Spanish National Research Council—Arganda del Rey, 28500 Madrid, Spain;
| | | | - Marcos Ríos-Lago
- Basic Psychology II Department, UNED, 28040 Madrid, Spain;
- Brain Damage Unit, Hospital Beata María Ana, 28007 Madrid, Spain
| | - Juan Pablo Romero
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain; (A.A.-F.); (F.J.S.-C.); (Y.G.-Z.)
- Brain Damage Unit, Hospital Beata María Ana, 28007 Madrid, Spain
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Arroyo A, Periáñez JA, Ríos-Lago M, Lubrini G, Andreo J, Benito-León J, Louis ED, Romero JP. Components determining the slowness of information processing in parkinson's disease. Brain Behav 2021; 11:e02031. [PMID: 33452724 PMCID: PMC7994698 DOI: 10.1002/brb3.2031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/16/2020] [Accepted: 12/25/2020] [Indexed: 01/19/2023] Open
Abstract
INTRODUCTION Bradyphrenia is a key cognitive feature in Parkinson's disease (PD). There is no consensus on whether information processing speed is impaired or not beyond motor performance. OBJECTIVE This study aims to explore which perceptual, motor, or cognitive components of information processing are involved in the slowdown affecting cognitive performance. METHODS The study included 48 patients with PD (age: 63, 3 ± 8, 18; HY I-III; UPDRS 15,46 ± 7,76) and 53 healthy controls (age: 60,09 ± 12,83). Five reaction time (RT) tasks were administered to all participants. The average RT in each of the tasks and the percentage of correct answers were measured. Patients with PD were in "ON state" at the time of the evaluation. Perceptual, motor, and cognitive components were isolated by means of a series of ANCOVAs. RESULTS As expected, the motor component was slowed down in patients with PD. Moreover, while patients with PD showed slower RT than controls in all tasks, differences between groups did not exponentially increase with the increasing task complexity. ANCOVA analyses also revealed that the perceptual and sustained alert component resulted to be slowed down, with no differences being found in any of the remaining isolated cognitive components (i.e., response strategy-inhibition, decisional, visual search, or interference control). CONCLUSIONS The results revealed that slowness of information processing in PD was mainly associated with an impaired processing speed of the motor and perceptual-alertness components analyzed. The results may help designing new neurorehabilitation strategies, focusing on the improvement of perceptual and alertness mechanisms.
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Affiliation(s)
- Aida Arroyo
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Madrid, Spain
| | - José A Periáñez
- Experimental Psychology Department, Universidad Complutense de Madrid, Madrid, Spain
| | - Marcos Ríos-Lago
- Basic Psychology II Department, UNED, Madrid 28040, Spain; Brain Damage Unit, Hospital Beata María Ana, Madrid, Spain
| | - Genny Lubrini
- Experimental Psychology Department, Universidad Complutense de Madrid, Madrid, Spain
| | - Jorge Andreo
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Madrid, Spain
| | - Julián Benito-León
- Department of Neurology, University Hospital "12 de Octubre", Madrid, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Spain; Department of Medicine, Complutense University, Madrid, Spain
| | - Elan D Louis
- Department of Neurology and Neurotherapeutics at UT Southwestern Medical Center
| | - Juan Pablo Romero
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Madrid 28223, Spain; Brain Damage Unit, Hospital Beata María Ana, Madrid, Spain
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