聲音序列辨識中間間隔神經活動之角色－Ⅱ 非初級聽覺皮層

// Role of neural activity during inter-token intervals in sound sequence discrimination-II, non-primary auditory cortex

本研究探討聲音間靜默間隔如何影響老鼠聽覺皮質對周期性與非周期性聲音序列的神經辨識能力｜單神經元電生理結果顯示非初級聽覺皮質能分辨序列但靜默不增強選擇性｜初級聽覺皮質（A1）對靜默間隔敏感，周期性序列引發脈衝及伽瑪波段局部場電位（LFP）活性強化，突顯A1在處理時間聲音結構中的專門功能。

// This study investigated how silent gaps between sound tokens affect neural discrimination of periodic versus aperiodic sound sequences in mouse auditory cortex. Using single-unit electrophysiology, the researchers found that non-primary auditory cortices can differentiate these sequences but silence does not enhance this selectivity. In contrast, the primary auditory cortex (A1) shows a unique increase in selectivity linked to silent intervals, with stronger buildup of activity for periodic sequences in both spikes and gamma-band LFP. These results highlight A1's specialized role in processing temporal sound structure influenced by silent gaps.

Published 2026年6月8日