Extensive abnormality of brain white matter integrity in pathological gambling |
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Authors: | Joutsa Juho Saunavaara Jani Parkkola Riitta Niemelä Solja Kaasinen Valtteri |
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Affiliation: | a Neuropsychology and Applied Cognitive Neuroscience Laboratory, Institute of Psychology, Chinese Academy of Sciences, Beijing, Chinab Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, Chinac Graduate School, Chinese Academy of Sciences, Beijing, Chinad College of Medicine, Sun Yat-Sen University, Guangzhou, Chinae Beijing Anding Hospital, Capital Medical University, Beijing, Chinaf Shantou Mental Health Center, Shantou University, Shantou, Chinag Huaxi MR Research Centre, Department of Radiology, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, Chinah Institute of Mental Health, Peking University, Beijing, China |
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Abstract: | This study aimed to examine the subjective awareness of everyday dysexecutive function and the ‘objective’ executive function in individuals with schizotypal personality features. Forty-nine individuals with schizotypal personality disorder (SPD) proneness (25 negative schizotypy and 24 non-negative schizotypy were identified using cluster analysis) and 44 non-SPD individuals completed a battery of ‘objective’ executive function tests and a self-reported Dysexecutive Questionnaire (DEX) on everyday executive problems. The findings showed that individuals with SPD proneness including negative schizotypy and non-negative schizotypy did not have significant worse performance than non-SPD in most of ‘objective’ executive function tests, but self-reported significantly disproportionate more dysexecutive problems than non-SPD. Furthermore, SPD proneness, especially negative schizotypy was found to give undependable estimation on their everyday dysexecutive function while non-negative schizotypy was not. The current findings suggest that the subjective awareness of dysexecutive function may precede actual ‘objective’ executive function impairments in a subtype of SPD (non-negative schizotypy) and the subjective complaint of the daily dysexecutive behavior in SPD proneness, especially negative schizotypy might result from their unreliable estimation of executive function. |
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Keywords: | Schizotypy Executive function Self-awareness |
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