![]() However, Freiwald’s group previously singled out groups of neurons in two other regions that fired only in response to well-known faces. This network has been well-described for encoding unfamiliar faces. Within the IT, the anteromedial (AM) face area is thought to be the crown jewel of this core face processing network. A network of “face areas” is scattered throughout the superior temporal sulcus and inferotemporal (IT) cortex ( Moeller et al., 2008 Freiwald and Tsao, 2010). The process of noticing a familiar face involves the rapid integration of sensory perception with stored memories associated with the face. No longer being recognized by a parent with dementia is among the saddest experiences for caregivers. This symptom crops up in people with neurodegenerative diseases, including frontotemporal degeneration and Alzheimer’s. It also could shed light on prosopagnosia, a socially debilitating disorder in which a person cannot recognize faces of people they know. The cells fire with surprising speed, suggesting a specialized pathway for familiar face recognition.These neurons stay mum in response to pictures of unfamiliar monkey faces-or human faces.Neurons in the temporal pole fire fast when a monkey sees a picture of a familiar monkey’s face. ![]()
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