社会的不安の参加者における社会的脅威の言葉を処理する電気生理学的証拠
Jinwei Yang1, Feng Si2, Jianqin Cao3
1Key Laboratory of Basic Research and Health Management on Chronic Diseases in Heilongjiang Province, Harbin Medical University, Daqing Campus, Xinyang Street 39, Daqing, 163319, Heilongjiang, China.
BMC psychiatry
|August 26, 2025
まとめ
社会的不安は 社会的脅威に対する 早期の脳の反応を高めます 高い社会的不安の個人は,早期の注意配分と感情的なコンテンツの知覚的なエンコーディングを強め,脅威の文字処理に影響を与えます.
科学分野:
- 神経科学
- 認知心理学
- 社会心理学
背景:
- 社会的不安 (SA) は,社会的脅威に対する注意偏向と関連しています.
- SAにおけるこれらのバイアスの神経処理段階は不明である.
研究 の 目的:
- 社会的不安が 社会的脅威の言葉を処理する時間的動態に どのように影響するか調査する.
- 社会的不安に注意偏差が生じる 神経処理の段階を明らかにする
主な方法:
- 電気脳波 (EEG) と感情ストロップタスクを使用した.
- 参加者は,LSAスコアに基づいて,社会不安の高さ (HSA) と社会不安低さ (LSA) にグループ化されました.
- 分析には,反応時間 (RT) とイベント関連ポテンシャル (ERP) が含まれていた. P2,早期後部陰性 (EPN),および遅い陽性ポテンシャル (LPP).
主要な成果:
- HSAグループは 脅迫語に対する反応が遅かったが LSAグループはそうではなかった
- この2つのグループでは 脅迫語に対するP2の振幅が向上し 早期の注意の方向性を示した.
- HSAグループは 脅威の言葉に対して 負のEPN幅度を示し 早期の注意配分と知覚のエンコーディングを高めました
結論:
- 社会的不安は 社会的脅威の初期段階の処理を 調整します
- P2は脅威に対する一般的注意感を反映し,SAではEPNが上昇し,早期の感情処理が強化されていることを示します.
- 社会的不安における注意偏差は,後の評価段階ではなく,初期の知覚のエンコーディングに起因する可能性があります.
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