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TsukubaPsychophysiological Study of the Effects of Relations Between Target and Preceding Cue Stimulus of the Stop-Signal Task on the Process of Response Control

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Other Title
  • Stop-signal課題における刺激の意味的関連性が反応制御過程に及ぼす影響の生理心理学的検討
  • <資料>Stop-signal課題における刺激の意味的関連性が反応制御過程に及ぼす影響の生理心理学的検討 : 定型発達成人におけるADHD傾向との関連から
  • Stop-signal課題における刺激の意味的関連性が反応制御過程に及ぼす影響の生理心理学的検討 : 定型発達成人におけるADHD傾向との関連から
  • Stop-signal カダイ ニ オケル シゲキ ノ イミテキ カンレンセイ ガ ハンノウ セイギョ カテイ ニ オヨボス エイキョウ ノ セイリ シンリガクテキ ケントウ : テイケイ ハッタツ セイジン ニ オケル ADHD ケイコウ ト ノ カンレン カラ
  • : View of The Relationships of ADHD Tendency in Typically Developed Adults
  • -定型発達成人におけるADHD傾向との関連から-

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Abstract

<p>The present study investigated the effect of stimulus type of the visual stop-signal task on the behavioral performance and event-related potentials (ERPs) in two groups of the typical adult population grouped by their ADHD tendency. For this purpose, twenty-three participants were divided into two groups according to the scores of CAARS (hADHD: high ADHD tendency group, lADHD: low ADHD tendency group). Two conditions, the car condition and the shape condition, were set for the stop-signal task according to its type of stimulus. The behavioral results demonstrated a marked increase in the commission error rate to Go stimulus in the car condition and in the hADHD group. In terms of ERP results, for the hADHD group, there was a significant decrease in the Go-N2 and the SST-N2 amplitude, in addition to the significant shortening of SST-P3. No marked differences were demonstrated according to the stimulus type. The results of behavioral performance and Go-N2 suggested the marked difficulty in making distinction between left and right in the hADHD group as compared to the lADHD regardless of the conditions. Further, the results of the SST-N2 suggested the difficulty in response control in the hADHD group. The results also suggested that the possible effectiveness of the priming effect between Go and Stop stimuli might be effective to ADHD population. The results also suggested the possible improvement in response control process in hADHD group by the semantic relativity between Go and Stop stimuli.</p>

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