Neurobiologia percepcji ekspresji emocji twarzy

Humans’ face provide multiple information which playimportant role in social communication. It’s processingis feasible due to development of dedicated neuronal system.Some species including sheep and non humans primatesposses the ability of face recognition and recognitionof facial expression. Face-processing abilities weredetected in newborns. It may suggest that humans bornwith basic dispositions for face recognition which subsequentlydevelop as a result of exposition to faces ofother people. Results of brain lesion studies and brainimagining led to development of models of neural systemfor face perception. It consist of occipital visual cortex,and cortical areas specialized for invariant aspactsof faces (lateral fusiform gyrus) and changeable aspectsof faces (superior temporal sulcus) and limbic systeminvolved in processing emotion. Ability for facial emotionrecognition is an important part of social; cognition.Recent studies provide evidence suggestingimpaired facial emotion recognition in patients withschizophrenia, autism and depression. It has beenhypothesized that these deficits are caused by structuraland functional abnormalities in brain structures mediatingface perception.