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Is there disproportionate impairment in semantic or phonemic fluency in schizophrenia?
Journal of the International Neuropsychological Society, 2003Phonemic and semantic fluency involve the capacity to generate words beginning with particular letters or belonging to particular categories, respectively. The former has been associated with frontal lobe function and the latter with temporoparietal function, but neuroimaging studies indicate overlap of underlying neural networks.
William S, Kremen +3 more
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Semantic and Affective Verbal Fluency: Sex Differences
Psychological Reports, 2013Sex may have an important influence on verbal fluency. The aim of this study is to examine possible sex differences in different types of verbal fluency. Four tasks of verbal fluency were used in this study: two tasks of semantic verbal fluency ( Animals, Fruits) and two tasks of affective verbal fluency ( Pleasant, Unpleasant).
Barbara, Gawda +1 more
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Semantic Organization, Strategy Use, and Productivity in Bilingual Semantic Verbal Fluency
Brain and Language, 1997This study of semantic verbal fluency addressed two research questions: (1) What are the between-language similarities and differences in the performance of balanced bilinguals? (2) What is the relationship between productivity and the use of a semantic grouping strategy to organize responses?
P M, Roberts, G, Le Dorze
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Verbal Fluency, Semantics, Context and Symptom Complexes in Schizophrenia
Journal of Psycholinguistic Research, 2009Lexical-semantic access and retrieval was examined in 15 adults diagnosed with schizophrenia and matched controls. This study extends the literature through the inclusion of multiple examinations of lexical-semantic production within the same patient group and through correlating performance on these tasks with various positive and negative clinical ...
Vogel, AP +5 more
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Semantic memory in alzheimer's disease: An analysis of category fluency
Journal of Clinical and Experimental Neuropsychology, 1995In order to study the strategies of access to semantic knowledge and the status of semantic representation, we analyzed the performance in a semantic fluency task (Animal naming) of 70 patients with probable Alzheimer's disease (AD), including 40 mild AD patients and 30 moderate-severe AD patients, and 35 matched elderly normal control subjects.
Binetti G +5 more
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Category fluency in schizophrenia research: Is it an executive or semantic measure?
Cognitive Neuropsychiatry, 2013The semantic fluency task is described as a measure of semantic function and utilised in schizophrenia (SZ) research to demonstrate semantic deficits. Two meta-analyses support the efficacy of this task in measuring semantic function in SZ; however, a more recent meta-analysis suggests that executive dysfunction is the predominant determinant of ...
Neill, Erica +2 more
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Effects of literacy on semantic verbal fluency in an immigrant population
Aging, Neuropsychology, and Cognition, 2016A significant impact of limited schooling and illiteracy has been found on numerous neuropsychological tests, which may partly be due to the ecological relevance of the tests in the context of illiteracy. The aims of this study were to compare the performance of illiterate and literate immigrants on two semantic criteria for the verbal fluency test ...
Nielsen, T. Rune, Waldemar, Gunhild
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Neural correlates of rhyming vs. lexical and semantic fluency
Brain Research, 2011Rhyming words, as in songs or poems, is a universal feature of human language across all ages. In the present fMRI study a novel overt rhyming task was applied to determine the neural correlates of rhyme production. Fifteen right-handed healthy male volunteers participated in this verbal fluency study. Participants were instructed to overtly articulate
Tilo, Kircher +3 more
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Is semantic fluency differentially impaired in schizophrenic patients with delusions?
Schizophrenia Research, 1999The study of cognitive deficits in schizophrenia has recently focused upon semantics: the study of meaning. Delusions are a plausible manifestation of abnormal semantics because by definition they involve changes in personal meaning and belief.
Rossell, S L +3 more
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Phonemic Fluency, Semantic Fluency, and Difference Scores: Normative Data for Adult Hebrew Speakers
Journal of Clinical and Experimental Neuropsychology, 2005Norms for Hebrew semantic and phonemic fluency were collected in a sample of 369 participants, ranging in age from 18 to 85. Two hundred and sixty nine persons completed both tests and the rest completed only the semantic test. Phonemic fluency was assessed with the use of three letters (bet, gimel, and shin) and semantic fluency with the use of three ...
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