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INDIVIDUAL SCHIZOTYPAL TRAITS ARE ASSOCIATED WITH AFFECTIVE EVALUATION OF SOUNDS AND THALAMO-AMYGDALA STRUCTURAL CONNECTIVITY
Mara Ceanand 5 co-authors
University of Barcelona
FENS Forum 2026 (2026)
Barcelona, Spain
Board PS02-07PM-154
Presentation
Date TBA
Board: PS02-07PM-154
Event Information
Poster Board
PS02-07PM-154
Poster
View posterAbstract
Previous research suggests that thalamo-amygdala connectivity, which is key for sensory and affective processing, is altered in schizophrenia. Here, we examined how schizotypy traits, assessed with the Schizotypal Personality Questionnaire (SPQ), are associated with subjective emotional judgements and acoustic assessments of 300 non-linguistic sounds, as well as with structural connectivity between auditory-associated thalamic subregions and basolateral amygdala (BLA). The sample consisted of sixty healthy participants (61.7% females), of whom 19 participants underwent diffusion-weighted imaging tractography. Higher scores in the SPQ Unusual experiences subscale were associated with increased aversiveness and arousal ratings, but lower perceived acoustic roughness. In turn, these were also associated with lower fiber density of medial pulvinar-BLA connections. Overall, these results suggest that specific schizotypal traits may be associated with affective and acoustic sound evaluation and with tract-specific differences in thalamo-amygdala structural connectivity.
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