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Albayrak GS, Saçmacı H, Albayrak L, Bozkurt G, Karaaslan Ö, İnan LE. A cross-sectional study on the personality traits of episodic and chronic migraine patients. Clin Neurol Neurosurg 2023; 227:107641. [PMID: 36871391 DOI: 10.1016/j.clineuro.2023.107641] [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: 09/21/2022] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 03/05/2023]
Abstract
BACKGROUND Migraine, is a common neurological disorder that may be associated with certain personality traits. This study aims to identify and compare the personality traits accompanying the clinical and sociodemographic profiles in migraine groups. METHODS The study included a cohort of chronic, episodic migraine (CM - EM) and healthy controls (HC). Migraine was diagnosed according to the International Classification of Headache Disorders-3β criteria. Age, gender, migraine-related disease duration, number of days with a headache each month, and headache intensity of the patients were recorded. The Minnesota Multiphasic Personality Inventory-2 (MMPI-2) was used to determine personality traits. RESULTS The study groups were similar in terms of sociodemographic characteristics (70 CM, 70 EM, and 70 HC). The visual analog scale (VAS) score was significantly higher in CM (p < 0.05). No statistically significant difference was found between the groups concerning symptoms of migraine such as osmophobia, photophobia, phonophobia, and nausea (p > 0.05). When the personality traits were examined, the mean scores of the MMPI test results of migraine patients were found to be higher than healthy controls in line personality disorders (p < 0.05 for all personality traits). In CM patients, the 'hysteria' score was found to be higher in subgroup evaluation (p < 0.05). CONCLUSION EM and CM patients had more evidence of personality disorders than healthy controls. CM patients had higher hysteria scores than EM patients. In addition to pain treatment, determining personality traits and providing appropriate management with a multidisciplinary approach can benefit both in terms of treatment, cost, and time.
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Sair A, Sair YB, Akyol A, Sevincok L. Affective temperaments and lifetime major depression in female migraine patients. Women Health 2020; 60:1218-1228. [DOI: 10.1080/03630242.2020.1815930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Ahmet Sair
- Department of Psychiatry, Adnan Menderes University, Aydin, Turkey
| | - Yasan Bilge Sair
- Department of Psychiatry, Adnan Menderes University, Aydin, Turkey
| | - Ali Akyol
- Department of Psychiatry, Adnan Menderes University, Aydin, Turkey
| | - Levent Sevincok
- Department of Psychiatry, Adnan Menderes University, Aydin, Turkey
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Nishi Y, Osumi M, Nobusako S, Takeda K, Morioka S. Avoidance Behavioral Difference in Acquisition and Extinction of Pain-Related Fear. Front Behav Neurosci 2019; 13:236. [PMID: 31680893 PMCID: PMC6797557 DOI: 10.3389/fnbeh.2019.00236] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 09/19/2019] [Indexed: 11/25/2022] Open
Abstract
Fear of movement-related pain leads to two types of avoidance behavior: excessive avoidance and pain-inhibited movement. Excessive avoidance is an absence of movement by fear, and pain-inhibited movements involve a change in motor behavior for the purpose of protecting the painful part. Here, we sought to clarify the acquisition process and adaptation of fear for each avoidance behavior. Thirty-one female and 13 male (age 20.9 ± 2.1 years) subjects could decide persistent behaviors: approach with an intense pain stimulus, pain-inhibited movement with weak pain stimulus, or excessive avoidance with no pain in acquisition and test phases. In the subsequent extinction phase, the pain stimulus was omitted. Subjects were divided into an approach group (n = 24), a pain-inhibited movement group (n = 10), and an excessive avoidance group (n = 10) by cluster analysis. The response latencies in approach and pain-inhibited movement groups were not affected by conditioned pain. The subjects in the excessive avoidance group exhibited delayed response latencies, and their high-fear responses remained in the acquisition, test, and extinction phases. In addition, the excessive avoidance group showed high harm avoidance and high trait anxiety. This study demonstrated that differences in pain-related avoidance behaviors are affected by psychological traits. Pain-related excessive avoidance behavior indicated a maladaptive fear, but pain-inhibited movement did not.
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Affiliation(s)
- Yuki Nishi
- Graduate School of Health Sciences, Kio University, Nara, Japan
| | - Michihiro Osumi
- Neurorehabilitation Research Center, Kio University, Nara, Japan
| | - Satoshi Nobusako
- Graduate School of Health Sciences, Kio University, Nara, Japan.,Neurorehabilitation Research Center, Kio University, Nara, Japan
| | - Kenta Takeda
- Department of Rehabilitation for the Movement Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Saitama, Japan
| | - Shu Morioka
- Graduate School of Health Sciences, Kio University, Nara, Japan.,Neurorehabilitation Research Center, Kio University, Nara, Japan
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Gustin SM, Burke LA, Peck CC, Murray GM, Henderson LA. Pain and Personality: Do Individuals with Different Forms of Chronic Pain Exhibit a Mutual Personality? Pain Pract 2015; 16:486-94. [PMID: 25858277 DOI: 10.1111/papr.12297] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 11/23/2014] [Accepted: 02/11/2015] [Indexed: 01/03/2023]
Abstract
The role of personality in the experience of chronic pain is a growing field, with endless debate regarding the existence of a "pain personality". This study aims to compare different chronic pain types and consolidate the existence of a common personality. Thirty-two females with chronic orofacial pain and 37 age-matched healthy females were assessed with the Temperament and Character Inventory-Revised. Chronic pain subjects had either trigeminal neuropathy (neuropathic pain) or temporomandibular disorders (nociceptive pain). This study revealed that individuals with different chronic pain types exhibit a mutual personality profile encompassing significantly higher scores in Harm Avoidance and significantly lower scores in Self-Directedness when compared to healthy subjects. In fact, this combination is associated with Cluster C personality disorders. In conclusion, our study reveals that irrespective of type, chronic pain may be associated with Cluster C personality disorders. Indeed, there has never been empirical evidence in the past to suggest that chronic pain as an overall concept is associated with any particular personality disorders. Therefore, a potential future avenue of chronic pain treatment may lie in targeting particular personality aspects and shift the target of pain-relieving treatments from sensory and psychologically state focused to psychologically trait focused.
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Affiliation(s)
- Sylvia M Gustin
- Neuroscience Research Australia, Sydney, Australia.,Department of Anatomy & Histology, University of Sydney, Sydney, Australia.,School of Psychology, University of New South Wales, Sydney, Australia
| | - Lucinda A Burke
- Department of Anatomy & Histology, University of Sydney, Sydney, Australia
| | - Chris C Peck
- Jaw Function and Orofacial Pain Research Unit, Faculty of Dentistry, University of Sydney, Sydney, Australia
| | - Greg M Murray
- Jaw Function and Orofacial Pain Research Unit, Faculty of Dentistry, University of Sydney, Sydney, Australia
| | - Luke A Henderson
- Department of Anatomy & Histology, University of Sydney, Sydney, Australia
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6
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Chen W, Yu S, Zhu J, Chai H, He W, Wang W. Personality characteristics of male sufferers of chronic tension-type and cervicogenic headache. J Clin Neurol 2012; 8:69-74. [PMID: 22523516 PMCID: PMC3325435 DOI: 10.3988/jcn.2012.8.1.69] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2010] [Revised: 05/26/2011] [Accepted: 05/26/2011] [Indexed: 11/26/2022] Open
Abstract
Background and Purpose Chronic tension-type headache (a primary headache disorder) and cervicogenic headache (a secondary headache disorder that is attributable to upper cervical spine pathology) share similar clinical manifestations, but their associated personality traits may differ. We evaluated the personality differences between sufferers of chronic tension-type headache and cervicogenic headache. Methods We administered the Zuckerman-Kuhlman Personality Questionnaire (ZKPQ) and the Zuckerman Sensation-Seeking Scale (SSS) to 18 patients suffering from chronic tension-type headache, 19 suffering from cervicogenic headache, and 26 healthy volunteers. Depressive trends were measured with the Plutchik-van-Praag Depression Inventory (PVP). Results Compared to healthy controls, the chronic tension-type headache group scored significantly higher on ZKPQ Neuroticism-Anxiety and on the PVP, while the cervicogenic headache group scored significantly lower on SSS Thrill and Adventure Seeking. In addition, the total SSS score was significantly lower in the cervicogenic headache group than in both the chronic tension-type headache group and the healthy controls. Conclusions The results of this study indicate that higher scores for neuroticism-anxiety and depression were associated with chronic tension-type headache, while lower sensation-seeking scores were associated with cervicogenic headache.
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Affiliation(s)
- Wanzhen Chen
- Department of Psychology and Behavioral Sciences, Zhejiang University School of Sciences, Hangzhou, China
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Corchs F, Mercante JP, Guendler VZ, Masruha MR, Vieira DS, Bernik MA, Zukerman E, Peres JFP, Peres MFP. Sensitivity to aversive stimulation, posttraumatic symptoms and migraines: what do they have in common? Med Hypotheses 2011; 77:534-5. [PMID: 21763077 DOI: 10.1016/j.mehy.2011.06.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Accepted: 06/05/2011] [Indexed: 10/18/2022]
Abstract
Studies have suggested that the high comorbidity observed between chronic migraine and anxiety disorders can be mediated through a third factor namely increased sensitivity to aversive stimulation. This trait may predispose for both chronic migraines, through medication overuse as an avoidance response, and anxiety disorders. Additional studies have shown that hyper sensitivity to aversive stimulation, migraine chronification and anxiety disorders share other characteristics such as serotonergic mediation and personality traits. Preliminary analysis of empirical data comparing the frequency the impact of traumatic events over chronic [CM] and episodic migraine [EM] patients gives further support to this hypothesis. In spite of CM and EM did not differ in terms of the occurrence of traumatic events, CM patients that had experienced at least one traumatic event during their lives had higher scores in re-experiencing and avoidance (but not in hyperarousal) symptoms than CM patients. These observations suggest that traumatic events have greater impact over CM than over EM patients.
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Affiliation(s)
- Felipe Corchs
- Institute and Department of Psychiatry, University of São Paulo, School of Medicine, and Instituto de Ensino e Pesquisa-Hospital Israelita Albert Einstein, São Paulo, Brazil
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Visani G, Venturi P, Isidori A, Tronconi S. Self-Awareness Training Associated with Personality Traits and Sex: A Pilot Study. Psychol Rep 2010; 107:318-20. [DOI: 10.2466/02.09.pr0.107.4.318-320] [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
107 volunteers learning Reiki-Do self-awareness techniques participated in this study. Results indicate that personality traits in healthy participants might be affected by specific self-awareness training, such as Reiki-Do, with participants' sex playing an independent role.
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Affiliation(s)
| | - Piero Venturi
- Department of Psychiatrics, Ospedale Regionale “Sandro Pertini”
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Villani V, Di Stani F, Vanacore N, Scattoni L, Cerbo R, Bruti G. The “Repeater” Phenomenon in Migraine Patients: A Clinical and Psychometric study. Headache 2010; 50:348-56. [DOI: 10.1111/j.1526-4610.2009.01585.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Prescot A, Becerra L, Pendse G, Tully S, Jensen E, Hargreaves R, Renshaw P, Burstein R, Borsook D. Excitatory neurotransmitters in brain regions in interictal migraine patients. Mol Pain 2009; 5:34. [PMID: 19566960 PMCID: PMC2714306 DOI: 10.1186/1744-8069-5-34] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2009] [Accepted: 06/30/2009] [Indexed: 02/04/2023] Open
Abstract
OBJECTIVE To examine biochemical differences in the anterior cingulate cortex (ACC) and insula during the interictal phase of migraine patients. We hypothesized that there may be differences in levels of excitatory amino acid neurotransmitters and/or their derivatives in migraine group based on their increased sensitivity to pain. METHODS 2D J-resolved proton magnetic resonance spectroscopy (1H-MRS) data were acquired at 4.0 Tesla (T) from the ACC and insula in 10 migraine patients (7 women, 3 men, age 43 +/- 11 years) and 8 age gender matched controls (7 women, 3 men, age 41 +/- 9 years). RESULTS Standard statistical analyses including analysis of variance (ANOVA) showed no significant metabolite differences between the two subject cohorts in the ACC nor the insula. However, linear discriminant analysis (LDA) introduced a clear separation between subject cohorts based on N-acetyl aspartylglutamate (NAAG) and glutamine (Gln) in the ACC and insula. CONCLUSION These results are consistent with glutamatergic abnormalities in the ACC and insula in migraine patients during their interictal period compared to healthy controls. An alteration in excitatory amino acid neurotransmitters and their derivatives may be a contributing factor for migraineurs for a decrease in sensitivity for migraine or a consequence of the chronic migraine state. Such findings, if extrapolated to other regions of the brain would offer new opportunities to modulate central system as interictal or preemptive medications in these patients.
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Affiliation(s)
- Andrew Prescot
- Brain Imaging Center, McLean Hospital, Belmont, MA 02478, USA.
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Abstract
Tension-type headache (TTH) is the most common form of headache, and chronic tension-type headache (CTTH) is one of the most neglected and difficult types of headache to treat. The pathogenesis of TTH is multifactorial and varies between forms and individuals. Peripheral mechanisms (myofascial nociception) and central mechanisms (sensitisation and inadequate endogenous pain control) are intermingled: the former predominate in infrequent and frequent TTH, whereas the latter predominate in CTTH. Acute therapy is effective for episodes of TTH, whereas preventive treatment--which is indicated for frequent and chronic TTH--is, on average, not effective. For most patients with CTTH, the combination of drug therapies and non-drug therapies (such as relaxation and stress management techniques or physical therapies) is recommended. There is clearly an urgent need to improve the management of patients who are disabled by headache. This Review summarises the present knowledge on TTH and discusses some of its more problematic features.
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Affiliation(s)
- Arnaud Fumal
- Department of Neurology, Headache Research Unit, Liège University, Liège, Belgium.
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Boz C, Gazioglu S, Altunayoglu V, Hocaoglu C. Effect of serotonergic antidepressant therapy on temperament and character scales in patients with chronic tension-type headache. Psychiatry Clin Neurosci 2007; 61:534-42. [PMID: 17875033 DOI: 10.1111/j.1440-1819.2007.01704.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The purpose of the present study was to assess a group of patients with chronic tension-type headache (CTTH) and control subjects using the personality questionnaire proposed by Cloninger and to determine possible changes in the Temperament and Character Inventory (TCI) patterns of CTTH patients after therapy with serotonergic antidepressants. Forty-five patients with CTTH filled out the TCI and Beck Depression Inventory (BDI) before and after 4-month prophylactic therapy with serotonergic antidepressants. A total of 50 age-, sex- and education level-matched healthy subjects were selected as a control group. During the pretreatment period patients were found to have higher harm avoidance and lower self-directedness scores than healthy comparison subjects. During the post-treatment period, although harm avoidance scores decreased and self-directedness scores increased, harm avoidance scores were still significantly higher and self-directedness scores significantly lower in CTTH patients than in controls. After using BDI score and age as covariates at the post-treatment period, harm avoidance scores were still higher in patients with CTTH while self-directedness scores did not differ between CTTH patients and controls. These findings suggest state and trait dependence of harm avoidance, and strong state dependence of self-directedness scores in CTTH patients. When interpreting data regarding personality measured by the TCI in CTTH patients, the effects of depressive symptomatology should be taken into account.
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Affiliation(s)
- Cavit Boz
- Department of Neurology, Medical Faculty of Karadeniz Technical University, Trabzon, Turkey.
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Abbate-Daga G, Fassino S, Lo Giudice R, Rainero I, Gramaglia C, Marech L, Amianto F, Gentile S, Pinessi L. Anger, depression and personality dimensions in patients with migraine without aura. PSYCHOTHERAPY AND PSYCHOSOMATICS 2007; 76:122-8. [PMID: 17230053 DOI: 10.1159/000097971] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Migraine without aura causes acute and chronic pain and partially compromises patients' social functioning and work performance. Over the past years, psychiatric comorbidities were frequently observed in these patients, together with coping difficulties and typical personality traits. The aim of this study was to identify whether migraine patients and controls share distinctive personality traits. METHODS 105 consecutive patients suffering from migraine without aura referred to the Headache Center of Turin University were enrolled in the study and compared to a control group of 79 healthy subjects. Patients and controls completed several psychometric questionnaires, including the Temperament and Character Inventory, the Beck Depression Inventory and the State-Trait Anger Expression Inventory. RESULTS Patients suffering from migraine show more depressive symptoms, difficult anger management with a tendency to hypercontrol, and a distinctive personality profile with high harm avoidance, high persistence and low self-directedness. When a logistic regression was performed, the only significant predictors of migraine were temperament variables. CONCLUSIONS The results suggest that the personality traits and psychosomatic mechanisms of migraine patients may make them vulnerable to stress and less skilled in coping with pain. These traits correlate with dysregulated neurotransmitter systems which may also be part of the psychobiological components of personality, depressive disorders and migraine itself.
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Affiliation(s)
- Giovanni Abbate-Daga
- Psychiatry Section, Department of Neuroscience, Ospedale San Giovanni Battista, Psichiatria Universitaria CPR DCA, Turin, Italy
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Corchs F, Mercante JPP, Guendler VZ, Vieira DS, Masruha MR, Moreira FR, Bernik M, Zukerman E, Peres MFP. Phobias, other psychiatric comorbidities and chronic migraine. ARQUIVOS DE NEURO-PSIQUIATRIA 2006; 64:950-3. [PMID: 17221002 DOI: 10.1590/s0004-282x2006000600012] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2006] [Accepted: 08/28/2006] [Indexed: 11/22/2022]
Abstract
BACKGROUND: Comorbidity of chronic migraine (CM) with psychiatric disorders, mostly anxiety and mood disorders, is a well-recognized phenomenon. Phobias are one of the most common anxiety disorders in the general population. Phobias are more common in migraineurs than non-migraineurs. The clinical profile of phobias in CM has never been studied. METHOD: We investigated the psychiatric profile in 56 patients with CM using the SCID I/P interview. RESULTS: Lifetime criteria for at least one mental disorder was found in 87.5% of the sample; 75% met criteria for at least one lifetime anxiety disorder and 60.7% of our sample fulfilled DSM-IV criteria for lifetime phobic avoidant disorders. Mood and anxiety scores were higher in phobic patients than in non-phobic CM controls. Number of phobias correlated with higher levels of anxiety and depression. CONCLUSION: Phobias are common in CM. Its recognition may influence its management. Early treatment may lead to better prognosis.
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Affiliation(s)
- Felipe Corchs
- Instituto Israelita de Ensino e Pesquisa Albert Einstein, São Paulo, SP, Brazil
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Abstract
Much of the contemporary literature on headache disorders focuses on migraine headaches, despite the fact that tension-type headache (TTH) is highly prevalent and can be as debilitating as migraines. This article reviews the current literature on prevalence rates of psychiatric disorders in TTH populations, psychologic factors associated with TTH, and psychiatric disorders and their relationships with treatment outcomes in TTH. Key conclusions of this review include 1) prevalence rates of TTH vary across clinical and population-based samples; 2) greater TTH chronicity is associated with increased affective distress; 3) Axis II personality disorders may play an important role in TTH prevalence rates and psychologic functioning but have been understudied to date; and 4) maladaptive coping is common in persons with TTH.
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Abstract
A review of the literature on migraine and personality yielded strong evidence for secondary neuroticism and increased sensitivity to stress in patients with migraine. This study focused on the identification of specific stressful situations and coping strategies in such patients. We conducted a psychodiagnostic study of 30 migraine patients in accordance with the criteria of the Headache Classification Committee of the International Headache Society and 30 healthy control subjects matched for age, sex, and social status. All participants completed the Minnesota Multiphasic Personality Inventory (MMPI) and special questionnaires on stressful situations and coping strategies. The migraine patients had higher neuroticism and introversion scores on the MMPI than the healthy subjects. There was a positive correlation between the neuroticism score and headache duration (number of hours per week). The patients used coping strategies characterized by the development of physical symptoms, social isolation, and preoccupation with stress. They rated themselves as less calm, less capable of relaxing, and more irritable than did the healthy controls subjects, and they responded more often with internal tension, especially in work and other achievement situations. Questionnaires that measure constructs dealing with stress yield information that is more relevant for the treatment of migraines than do global personality tests.
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Affiliation(s)
- Dorothea Huber
- Institute under Poliklinik für Psychomatischie, Psychotherapie under Med. Psychologie, Klinikum rechts der Isar der Technischen Universität München, Munich Germany
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Chatterjee A, Jurewicz EC, Applegate LM, Louis ED. Personality in essential tremor: further evidence of non-motor manifestations of the disease. J Neurol Neurosurg Psychiatry 2004; 75:958-61. [PMID: 15201349 PMCID: PMC1739140 DOI: 10.1136/jnnp.2004.037176] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To ascertain whether patients with essential tremor have distinct definable personality traits. METHODS A case-control study of patients with essential tremor was carried out to look for differences in personality characteristics. The controls were derived from the same source population. Using the tridimensional personality questionnaire (TPQ), personality traits were assessed in three dimensions: harm avoidance (HA), novelty seeking (NS), and reward dependence (RD). Additional analyses were conducted to address the possibility of selection bias among the patients with essential tremor. RESULTS There were 55 patients and 61 controls. There was a difference between patients and controls in HA subscale scores (p = 0.005) but not in NS or RD scores. The difference remained significant in analyses that adjusted for age, sex, race, and education (p = 0.005). HA subscale scores did not correlate with subjective or objective measures of disability or with indices of severity of tremor. CONCLUSIONS Patients with essential tremor scored higher on the harm avoidance subscale scores than control subjects. HA subscale scores did not correlate with the severity of tremor or with subjective and objective scales of disability, suggesting that the personality profile observed was not entirely related to functional disability caused by the tremor. Longitudinal studies of personality in essential tremor are needed to characterise the stability and evolution of these personality traits within the natural history of the disease process.
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Affiliation(s)
- A Chatterjee
- GH Sergievsky Center, Columbia University, New York, USA
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Moresco FM, Dieci M, Vita A, Messa C, Gobbo C, Galli L, Rizzo G, Panzacchi A, De Peri L, Invernizzi G, Fazio F. In vivo serotonin 5HT(2A) receptor binding and personality traits in healthy subjects: a positron emission tomography study. Neuroimage 2002; 17:1470-8. [PMID: 12414286 DOI: 10.1006/nimg.2002.1239] [Citation(s) in RCA: 82] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Using positron emission tomography (PET) and [(11)C]raclopride, an association between striatal D(2) dopamine receptors and emotional detachment has been recently reported. Several laboratory findings indicate a link between the serotoninergic system and harm avoidance. In this study we investigated, in a group of healthy volunteers, the relationship between the in vivo binding of 3-(2'-[(18)F]fluoroethyl)spiperone ([(18)F]FESP) to cortical 5HT(2) and striatal D(2) receptors and three personality dimensions, i.e., "novelty seeking," "reward dependence," and "harm avoidance." Eleven healthy volunteers were evaluated by means of the Tridimensional personality Questionnaire (C. R., Arch. Gen. Psychiatry 44: 573-588.) and underwent a PET scan with [(18)F]FESP. Harm avoidance showed a significant inverse correlation with [(18)F]FESP binding in the cerebral cortex, particularly in the frontal cortex (R(2) = -0.709, P = 0.0145) and left parietal cortex (R = -0.629, P = 0.038) but not in the basal ganglia (r = -0.176, P = 0.651). Similar results were obtained using SPM at a P threshold of 0.05. No significant correlation was observed with novelty seeking or reward dependence. In the cerebral cortex, high values of [(18)F]FESP binding values are associated with a high tendency to avoid danger, indicating involvement of the serotoninergic system and, in particular, 5HT(2A) receptors, in this trait of personality. The results of this as well as of previous studies on personality dimensions indicate the existence of a relationship between behavioral and neurobiological factors. In addition these results support the concept that the variability of PET data may be explained by neurochemical differences related to the prevalence of specific personality traits.
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Affiliation(s)
- F M Moresco
- INB-CNR, University of Milan--Bicocca, Scientific Institute H San Raffaele, Department of Mental Health, Milan, Italy
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Abstract
Although tension-type headache is the most frequent primary headache, little is known about its pathophysiology. It is a matter of debate if the pain in tension-type headache originates from myofascial tissues or from central mechanisms in the brain. This article presents a summary of available data on the pathophysiology of tension-type headache and proposes a pathogenic model. From experimental research and clinical studies, it appears that myofascial nociception is important in episodic tension-type headache; however, central mechanisms (ie, central sensitization) are preponderant in the pathophysiology of the chronic form. Understanding the mechanisms of this central sensitization could allow for more efficient prophylactic treatments to emerge.
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Affiliation(s)
- M Vandenheede
- University Department of Neurology, CHR de la Citadelle, Liège, Belgium
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