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Testosterone administration in women increases the size of their peripersonal space.
Masson, Catherine; van der Westhuizen, Donné; Noel, Jean-Paul; Prevost, Adala; van Honk, Jack; Fotopoulou, Aikaterini; Solms, Mark; Serino, Andrea.
Afiliación
  • Masson C; University of Cape Town, Cape Town, South Africa. massoncjane@gmail.com.
  • van der Westhuizen D; Cape Peninsula University of Technology, Cape Town, South Africa.
  • Noel JP; Center for Neural Science, New York University, New York, USA.
  • Prevost A; University of Cape Town, Cape Town, South Africa.
  • van Honk J; University of Cape Town, Cape Town, South Africa.
  • Fotopoulou A; Utrecht University, Utrecht, The Netherlands.
  • Solms M; University College London, London, UK.
  • Serino A; University of Cape Town, Cape Town, South Africa.
Exp Brain Res ; 239(5): 1639-1649, 2021 May.
Article en En | MEDLINE | ID: mdl-33770219
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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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Espacio Personal / Percepción del Tacto Aspecto: Equity_inequality Límite: Female / Humans Idioma: En Revista: Exp Brain Res Año: 2021 Tipo del documento: Article País de afiliación: Sudáfrica Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Espacio Personal / Percepción del Tacto Aspecto: Equity_inequality Límite: Female / Humans Idioma: En Revista: Exp Brain Res Año: 2021 Tipo del documento: Article País de afiliación: Sudáfrica Pais de publicación: Alemania