Bibikov N G
Usp Fiziol Nauk. 2010 Oct-Dec;41(4):77-92.
The problem of interaction of spike neuronal activity evoked by successive sounds in single elements of auditory system is considered. The forward masking situation, when pairs of signals are presented independently, as well as the condition of long sequences of signals with different on-of ratios are analyzed. The strong increase of a diversity of single units ability to reproduce fast sequences really observed from the lowest to the higher nuclei of an auditory pathway. Complex units, reacting only on "new" signals, appear from midbrain region of auditory pathway. However such elements are found out usually not in a direct lemniscal auditory way, but in surrounding nuclei. While poststimulus adaptation to specified type of signals usually causes the considerable increase in threshold of detection, differential sensitivity to small changes can remain quite high. This aspect of auditory sensation remains poorly investigated both in physiological and in psychophysical experiments.
本文探讨了听觉系统单个元件中连续声音诱发的尖峰神经元活动的相互作用问题。分析了成对信号独立呈现时的前向掩蔽情况，以及具有不同开-关比率的长信号序列的情况。从听觉通路的最低核到较高核，确实观察到单个单元再现快速序列能力的多样性大幅增加。仅对“新”信号做出反应的复杂单元出现在听觉通路的中脑区域。然而，这些元件通常不是在直接的lemniscal听觉路径中发现的，而是在周围核中发现的。虽然对特定类型信号的刺激后适应通常会导致检测阈值大幅增加，但对小变化的差异敏感性可能仍然很高。在生理和心理物理学实验中，听觉感觉的这一方面仍未得到充分研究。
