Semantic clustering in verbal fluency: schizophrenic patients versus control participants
نویسندگان
چکیده
منابع مشابه
Verbal fluency in Huntington's disease: a longitudinal analysis of phonemic and semantic clustering and switching.
Two underlying components of verbal fluency tasks have been identified as clustering (the ability to generate successive words within a sub-category) and switching (the ability to shift from one sub-category to another). Selective impairment of switching ability occurs in patients with frontostriatal pathology, whilst clustering ability is compromised with temporal lobe dysfunction. Letter flue...
متن کاملAnalysis of verbal fluency ability in Alzheimer's disease: the role of clustering, switching and semantic proximities.
The underlying nature of verbal fluency deficits in Alzheimer's disease (AD) was investigated in this study. Participants were 48 individuals with AD and 48 cognitively healthy older adults. Fluency performance on letter and category tasks was analyzed across two 30-s intervals for total words produced, mean cluster size, and total switches. Compared with the control group, AD participants prod...
متن کاملSemantic verbal fluency in elderly Mexican adults: Reference values.
INTRODUCTION The semantic verbal fluency test (SVF) is sensitive to detecting cognitive decline. It is fast and easy to use in any cultural context; therefore, it is included in most of the neuropsychological assessment protocols. OBJECTIVE To estimate normative values for the SVF test (animals), in an elderly population aged 65 years and over. MATERIAL AND METHOD 1233 subjects who were hea...
متن کاملSemantic Verbal Fluency test in dementia: Preliminary retrospective analysis
The Semantic Verbal Fluency (SVF) test entails the generation of words from a given category within a pre-set time of 60 seconds. Objectives To verify whether socio-demographic and clinical data of individuals with dementia correlate with the performance on the SVF test and to ascertain whether differences among the criteria of number of answers, clusters and data spread over the intervals, p...
متن کاملWord clustering effect on vocabulary learning of EFL learners: A case of semantic versus phonological clustering
The aim of this study is to determine the effect of word clustering method on vocabulary learning of Iranian EFL learners through a case of semantic versus phonological clustering. To this effect, 80 homogeneous students from four intermediate classes at an English institute in Torbat e Heydariyeh participated in this research. They were assigned to four groups according to semantic versus phon...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Psychological Medicine
سال: 2002
ISSN: 0033-2917,1469-8978
DOI: 10.1017/s0033291702005597