Journal article

Testosterone Administration in women increases the size of their peripersonal space


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Publication Details

Author list: Masson C; Van Der Westhuizen D; Noel JP; Prevost A; Van Honk J; Fotopoulou A; Solms M; Serino A

Publisher: Springer Verlag (Germany)

Publication year: 2021

Journal: Experimental Brain Research

Volume number: 239

Start page: 1639

End page: 1649

Total number of pages: 11

ISSN: 0014-4819

eISSN: 1432-1106


Abstract

Abstract
Peripersonal space (PPS) is the space immediately surrounding the body, conceptualised as a sensory-motor interface between
body and environment. PPS size differs between individuals and contexts, with intrapersonal traits and states, as well as social
factors having a determining role on the size of PPS. Testosterone plays an important role in regulating social-motivational
behaviour and is known to enhance dominance motivation in an implicit and unconscious manner. We investigated whether
the dominance-enhancing effects of testosterone reflect as changes in the representation of PPS in a within-subjects testosterone
administration study in women (N = 19). Participants performed a visuo-tactile integration task in a mixed-reality setup.
Results indicated that the administration of testosterone caused a significant enlargement of participants’ PPS, suggesting
that testosterone caused participants to implicitly appropriate a larger space as their own. These findings suggest that the
dominance-enhancing effects of testosterone reflect at the level of sensory-motor processing in PPS.


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Last updated on 2021-08-06 at 13:06