Presentation 2013-11-19
Differences in Pattern's Encoding Efficiency and Autistic-Like Traits in General Population : An Event-Related Potential Study
Junichi Takahashi, Daichi Yasunaga, Jiro Gyoba,
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Abstract(in English) We examined the effects of complexity on the pattern's encoding efficiency in the general population differing on Autism-spectrum Quotient (AQ) scores. We compared brain activity (electroencephalography) during a same-different task for High and Low AQ groups. The same-different task was composed of identical comparison (1C) and categorical comparison (CC) conditions that presented simple or complex patterns. We found that the P3b and positive slow wave (PSW) were elicited in both groups. In the CC condition, the Low AQ showed large P3b and PSW amplitudes with simple patterns than with complex patterns, whereas the High AQ showed the same amplitude levels for these patterns. These results indicate that, similar to simple patterns, complex patterns are sufficiently encoded in the High AQ.
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Keyword(in English) Autism spectrum quotient / Complexity / Encoding efficiency / Event-related potential
Paper # HIP2013-68
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Committee HIP
Conference Date 2013/11/12(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Differences in Pattern's Encoding Efficiency and Autistic-Like Traits in General Population : An Event-Related Potential Study
Sub Title (in English)
Keyword(1) Autism spectrum quotient
Keyword(2) Complexity
Keyword(3) Encoding efficiency
Keyword(4) Event-related potential
1st Author's Name Junichi Takahashi
1st Author's Affiliation Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry()
2nd Author's Name Daichi Yasunaga
2nd Author's Affiliation Faculty of Letters, Institute of Human and Social Sciences, Kanazawa University
3rd Author's Name Jiro Gyoba
3rd Author's Affiliation Department of Psychology, Graduate School of Arts and Letters, Tohoku University
Date 2013-11-19
Paper # HIP2013-68
Volume (vol) vol.113
Number (no) 299
Page pp.pp.-
#Pages 6
Date of Issue