Asymmetries of the human social brain in the visual, auditory and chemical modalities

Alfredo Brancucci, Giuliana Lucci, Andrea Mazzatenta, Luca Tommasi

Research output: Contribution to journalArticle

Abstract

Structural and functional asymmetries are present in many regions of the human brain responsible for motor control, sensory and cognitive functions and communication. Here, we focus on hemispheric asymmetries underlying the domain of social perception, broadly conceived as the analysis of information about other individuals based on acoustic, visual and chemical signals. By means of these cues the brain establishes the border between 'self' and 'other', and interprets the surrounding social world in terms of the physical and behavioural characteristics of conspecifics essential for impression formation and for creating bonds and relationships. We show that, considered from the standpoint of single- and multi-modal sensory analysis, the neural substrates of the perception of voices, faces, gestures, smells and pheromones, as evidenced by modern neuroimaging techniques, are characterized by a general pattern of right-hemispheric functional asymmetry that might benefit from other aspects of hemispheric lateralization rather than constituting a true specialization for social information.

Original languageEnglish
Pages (from-to)895-914
Number of pages20
JournalPhilosophical transactions of the Royal Society of London. Series B: Biological sciences
Volume364
Issue number1519
DOIs
Publication statusPublished - 2009

Fingerprint

brain
Brain
asymmetry
Neuroimaging
Social Perception
Gestures
Smell
Pheromones
smell
Acoustics
cognition
animal communication
Cognition
pheromones
Cues
sensory evaluation
acoustics
Communication
pheromone
Substrates

Keywords

  • Brain hemispheres
  • Hemispheric asymmetries
  • Lateralization
  • Social neuroscience
  • Social perception

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Asymmetries of the human social brain in the visual, auditory and chemical modalities. / Brancucci, Alfredo; Lucci, Giuliana; Mazzatenta, Andrea; Tommasi, Luca.

In: Philosophical transactions of the Royal Society of London. Series B: Biological sciences, Vol. 364, No. 1519, 2009, p. 895-914.

Research output: Contribution to journalArticle

Brancucci, Alfredo ; Lucci, Giuliana ; Mazzatenta, Andrea ; Tommasi, Luca. / Asymmetries of the human social brain in the visual, auditory and chemical modalities. In: Philosophical transactions of the Royal Society of London. Series B: Biological sciences. 2009 ; Vol. 364, No. 1519. pp. 895-914.
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