When presented with visual stimuli of face images,the ventral stream visual cortex of the human brain exhibits face-specific activity that is modulated by the physical properties of the input images.However,it is stil...When presented with visual stimuli of face images,the ventral stream visual cortex of the human brain exhibits face-specific activity that is modulated by the physical properties of the input images.However,it is still unclear whether this activity relates to conscious face perception.We explored this issue by using the human intracranial electroencephalography technique.Our results showed that face-specific activity in the ventral stream visual cortex was significantly higher when the subjects subjectively saw faces than when they did not,even when face stimuli were presented in both conditions.In addition,the face-specific neural activity exhibited a more reliable neural response and increased posterior-anterior direction information transfer in the“seen”condition than the“unseen”condition.Furthermore,the face-specific neural activity was significantly correlated with performance.These findings support the view that face-specific activity in the ventral stream visual cortex is linked to conscious face perception.展开更多
Autism spectrum disorder（ASD）is a neurodevelopment disorder characterized by impaired social interaction and communication along with restricted and repetitive behavior.For a long period of time,ASD was considered t...Autism spectrum disorder（ASD）is a neurodevelopment disorder characterized by impaired social interaction and communication along with restricted and repetitive behavior.For a long period of time,ASD was considered to be a rare mental disorder,with a prevalence of less than1/100,000.However,the prevalence of diagnosed ASD has increased rapidly in recent years to approximately展开更多
基金supported by the Science and Technology Innovation 2030-Brain Science and Brain-Inspired Intelligence Project (2021ZD0200200)the National Natural Science Foundation of China (62327805,82151307,and 32271085)the Beijing Natural Science Foundation (5244049).
文摘When presented with visual stimuli of face images,the ventral stream visual cortex of the human brain exhibits face-specific activity that is modulated by the physical properties of the input images.However,it is still unclear whether this activity relates to conscious face perception.We explored this issue by using the human intracranial electroencephalography technique.Our results showed that face-specific activity in the ventral stream visual cortex was significantly higher when the subjects subjectively saw faces than when they did not,even when face stimuli were presented in both conditions.In addition,the face-specific neural activity exhibited a more reliable neural response and increased posterior-anterior direction information transfer in the“seen”condition than the“unseen”condition.Furthermore,the face-specific neural activity was significantly correlated with performance.These findings support the view that face-specific activity in the ventral stream visual cortex is linked to conscious face perception.
基金supported by the National Natural Science Foundation of China (31400960)
文摘Autism spectrum disorder（ASD）is a neurodevelopment disorder characterized by impaired social interaction and communication along with restricted and repetitive behavior.For a long period of time,ASD was considered to be a rare mental disorder,with a prevalence of less than1/100,000.However,the prevalence of diagnosed ASD has increased rapidly in recent years to approximately
