面部流视觉皮层中面部特异性活动与有意识的面部感知有关
Wenlu Li1,2, Dan Cao1, Jin Li3
1Brainnetome Center, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China.
Neuroscience bulletin
|March 8, 2024
概括
在腹流视觉皮层中的大脑活动与有意识的面部感知有关. 更高的面部特异性神经活动与看到面部和更好的表现相关.
科学领域:
- 神经科学是一个神经科学.
- 认知神经科学 认知神经科学
- 视觉感知 视觉感知 视觉感知
背景情况:
- 腹部流视觉皮层显示面部特异性活动,视觉输入调节.
- 这种活动与有意识的面部感知之间的关系尚不清楚.
研究的目的:
- 调查腹流视觉皮层中面部特异性活动是否与有意识的面部感知有关.
主要方法:
- 使用人类内脑电图 (iEEG).
- 在条件之间比较面部特异的神经活动,其中面部被主观地看到与未见,尽管相同的刺激呈现.
主要成果:
- 当参与者有意识地感知面部时,与他们没有意识到面部相比,腹部流中的面部特异性活动显著更高.
- 神经反应更可靠,信息传输从后部到前部区域在"看到"状态下增加.
- 面部特定的神经活动与行为表现有很强的相关性.
结论:
- 腹部流视觉皮层中的面部特异性活动显然与有意识的面部感知有关.
- 这项研究提供了支持腹腔流活动在主观视觉意识中的作用的电生理学证据.
相关概念视频
Association Areas of the Cortex
5.3K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
5.3K
Vision
53.3K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
53.3K
Parallel Processing
151
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
151
Somatosensory, Motor, and Association Cortex
495
The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at...
495
Visual System
581
Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
Once through the pupil, the light passes through the lens, a...
581
Motor and Sensory Areas of the Cortex
3.8K
The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....
3.8K


