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Semantic priming and schizotypal personality:reassessing the link between thought disorder and enhanced spreading of semantic activation
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Abstract:
The term schizotypy refers to a group of stable personality traits with attributes similar to symptoms of schizophrenia, usually classified in terms of positive, negative or cognitive disorganization symptoms. The observation of increased spreading of semantic activation in individuals with schizotypal traits has led to the hypothesis that thought disorder, one of the characteristics of cognitive disorganization, stems from semantic disturbances. Nevertheless, it is still not clear under which specific circumstances (i.e., automatic or controlled processing, direct or indirect semantic relation) schizotypy affects semantic priming or whether it does affect it at all. We conducted two semantic priming studies with volunteers varying in schizotypy, one with directly related prime-target pairs and another with indirectly related pairs. Our participants completed a lexical decision task with related and unrelated pairs presented at short (250 ms) and long (750 ms) stimulus onset asynchronies (SOAs). Then, they responded to the brief versions of the Schizotypal Personality Questionnaire and the Oxford-Liverpool Inventory of Feelings and Experiences, both of which include measures of cognitive disorganization. Bayesian mixed-effects models indicated expected effects of SOA and semantic relatedness, as well as an interaction between relatedness and directness (greater priming effects for directly related pairs). Even though our analyses demonstrated good sensitivity, we observed no influence of cognitive disorganization over semantic priming. Our study provides no compelling evidence that schizotypal symptoms, specifically those associated with the cognitive disorganization dimension, are rooted in an increased spreading of semantic activation in priming tasks.
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URL: https://eprints.lancs.ac.uk/id/eprint/146263/ https://doi.org/10.7717/peerj.9511
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Semantic priming and schizotypal personality: reassessing the link between thought disorder and enhanced spreading of semantic activation
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In: PeerJ (2020)
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Semantic priming and schizotypal personality: reassessing the link between thought disorder and enhanced spreading of semantic activation
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From reading numbers to seeing ratios: a benefit of icons for risk comprehension
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Schizotypal personality and semantic functioning: Revisiting category fluency effects in a subclinical sample
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Differential effects of negative and positive emotional content over veridical and false recognition in aging and Alzheimer's disease
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Differential effects of negative and positive emotional content over veridical and false recognition in aging and Alzheimer's disease
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In: Scopus ; https://www.scopus.com/inward/record.uri?eid=2-s2.0-85054789922&doi=10.1016%2fj.jneuroling.2018.10.001&partnerID=40&md5=35369e0c11a5710382293b7879da0041 (2019)
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Auditory word recognition of verbs: Effects of verb argument structure on referent identification
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Oral morphosyntactic competence as a predictor of reading comprehension in children with specific language impairment
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Do children with SLI use verbs to predict arguments and adjuncts: evidence from eye movements during listening
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Do children with SLI use verbs to predict arguments and adjuncts: evidence from eye movements during listening
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Reading skills in young adolescents with a history of Specific Language Impairment: The role of early semantic capacity
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Effects of the psycholinguistic variables on the lexical decision task in Spanish: A study with 2,765 words
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In: WOS:000340226200018 ; http://www.ncbi.nlm.nih.gov/pubmed/24197707 (2015)
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Semantic domain and grammatical class effects in the picture-word interference paradigm
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Argument Structure and the Representation of Abstract Semantics
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Argument structure and the representation of abstract semantics
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Neural correlates of spelling difficulties in Alzheimer`s disease
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