IMR Press / FBL / Volume 19 / Issue 4 / DOI: 10.2741/4235

Frontiers in Bioscience-Landmark (FBL) is published by IMR Press from Volume 26 Issue 5 (2021). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with Frontiers in Bioscience.

Open Access Review
Neuroimaging studies on recognition of personally familiar people
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1 Institute of Development, Aging and Cancer, Tohoku University, Seiryo-machi 4-1, Aoba-ku, Sendai 980-8575, Japan
2 International Research Institute of Disaster Science, Tohoku University, Aramaki-aza-aoba 6-6-04, Aoba-ku, Sendai 980-8575, Japan
Academic Editor:Guido Gainotti
Front. Biosci. (Landmark Ed) 2014, 19(4), 672–686; https://doi.org/10.2741/4235
Published: 1 January 2014
Abstract

From an evolutionary viewpoint, readiness to engage in appropriate behavior toward a recognized person seems to be inherent in the human brain. In support of this hypothesis, functional neuroimaging studies have demonstrated activation in regions relevant to relationship-appropriate behavior during the recognition of personally familiar (PF) people. Recognition of friends and colleagues activates regions involved in real-time communication, including the regions for inference about the other's mental state, autobiographical memory retrieval, and self-referential processes. Recognition of people related by romantic love, maternal love, and lost love induces activation in regions involved in motivational, reward, and affective processes, reflecting behavioral readiness for mating, caretaking, and yearning, respectively. The involvement of motor-associated cortices during recognition of a personal enemy may reflect readiness for attack or defense. Self-recognition in a body-related modality uniquely activates sensory and motor association cortices reflecting the sensorimotor origin of the bodily self-concept, with social cognitive processes being suppressed or context dependent. Issues and future directions are also discussed.

Keywords
Face
Familiar
fMRI
Long-term memory
Name
Recognition
Review
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