检查听觉意识的电生理学相关的侧面化
Billy Gerdfeldter1, Annika Andersson1, Stefan Wiens1
1Department of Psychology, Stockholm University, Stockholm, Sweden.
Psychophysiology
|August 3, 2024
概括
这项研究研究了听觉意识消极性 (AAN) 作为声音定位意识的神经相关性. 结果提供了反对AAN横向化的证据,挑战其在听觉意识中的作用.
科学领域:
- 神经科学是一个神经科学.
- 听觉感知是一种听觉感知.
- 认知科学 认知科学
背景情况:
- 对感知意识的神经基础进行了辩论,关于感官皮层的作用有不同的理论.
- 神经活动被认为是一个神经相关的意识 (NCC) 只有当它与感知经验对齐.
- 之前的视觉和触觉研究表明,对侧感官皮层活动作为NCC,而听觉研究则提出了用于声音定位的听觉意识消极性 (AAN).
研究的目的:
- 为了研究听觉意识消极性 (AAN) 作为潜在的神经相关的意识 (NCC) 声音定位.
- 为了确定AAN是否在自由场环境中响应感知到的声音位置而侧向.
- 评估AAN作为听觉意识的NCC的有效性.
主要方法:
- 使用了13个通过扬声器呈现的声音源,以提供自然的定位线索.
- 测量事件相关潜力 (ERP) 作为响应在声音定位任务期间的值刺激.
- 采用预先注册的贝叶斯混合模型进行统计分析,包括使用聚合数据进行探索性分析.
主要成果:
- 提供了适度的证据反对整体的听觉意识消极性 (AAN).
- 提供了非常强有力的证据,反对AAN的横向化.
- 使用聚合数据进行的探索性分析显示,对整体AAN的证据中等,但对其横向化的证据强烈.
结论:
- 这些发现表明,听觉意识消极性 (AAN) 作为听觉意识意识的神经相关性 (NCC) 的潜在问题.
- 在自由场环境中,AAN似乎并没有横向地映射到听觉体验上,与视觉和触觉上的NCC不同.
- 不确定的结果需要未来的研究,减少条件或扩展测试会议,以收集足够的数据.
相关概念视频
Lateralization
318
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
318
Auditory Pathway
5.3K
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
5.3K
Cerebral Hemispheres
308
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
308


