Silent shapes and shapeless sounds: the robustness of the diminished crossmodal correspondences effect in autism spectrum conditions

Magdalena Król , Kinga Ferenc

Abstract

We performed a registered replication of the Oberman and Ramachandran (Soc Neurosci 3(3–4):348–355, 2008) study on the ‘kiki/bouba’ effect in autism spectrum conditions (ASC). The aim of the study was to test the robustness of the diminished crossmodal correspondences effect in autism, but also to verify whether this effect is not an artifact of differences in intelligence. We tested a Polish-speaking sample of 21 participants with ADOS-confirmed autism spectrum conditions (mean age 15.90) and 21 age- (mean age 15.86), sex- and IQ-matched neurotypical control participants. Procedure closely followed the replicated study. Participants’ task was to match five pairs of unfamiliar words and shapes. Matching words and shapes had similar supramodal characteristics that allowed the match. We report partial replication of the diminished ‘kiki/bouba’ effect in individuals with ASC compared to the neurotypical control group. However, we found that nonverbal intelligence also significantly contributed to task performance, but only in participants with autism, suggesting a compensatory role of intelligence. Finally, the effect of autism severity (measured by ADOS classification) was significant—crossmodal correspondences were weaker in individuals with autism, compared to those with autism spectrum diagnosis.
Author Magdalena Król (Filia we Wrocławiu / Wydział Psychologii we Wrocławiu)
Magdalena Król,,
- Wydział Psychologii we Wrocławiu
, Kinga Ferenc (Filia we Wrocławiu / Wydział Psychologii we Wrocławiu)
Kinga Ferenc,,
- Wydział Psychologii we Wrocławiu
Journal seriesPsychological Research-Psychologische Forschung, [Psychological Research], ISSN 0340-0727, e-ISSN 1430-2772, (N/A 70 pkt)
Issue year2020
Vol84
No6
Pages1507-1516
Publication size in sheets0.5
ASJC Classification2700 General Medicine; 1201 Arts and Humanities (miscellaneous); 3204 Developmental and Educational Psychology; 3205 Experimental and Cognitive Psychology
DOIDOI:10.1007/s00426-019-01163-9
Languageen angielski
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Silent_text.pdf 737.72 KB
Silent_oswiadczenie_Ferenc.pdf 809.09 KB
Silent_oswiadczenie_Krol.pdf 508.52 KB
Score (nominal)70
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2018 = 1.067; WoS Impact Factor: 2017 = 2.329 (2) - 2017=2.709 (5)
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