Hand or spoon? Exploring the neural basis of affective touch in 5-month-old infants

Autor: Ricarda Braukmann, Mark H. Johnson, Teodora Gliga, Laura Pirazzoli, Sarah Lloyd-Fox
Přispěvatelé: Lloyd-Fox, Sarah [0000-0001-6742-9889], Johnson, Mark [0000-0003-4229-2585], Apollo - University of Cambridge Repository
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Developmental Cognitive Neuroscience
Developmental Cognitive Neuroscience, 35, pp. 28-35
Developmental Cognitive Neuroscience, Vol 35, Iss, Pp 28-35 (2019)
Developmental Cognitive Neuroscience, 35, 28-35
ISSN: 1878-9293
Popis: Highlights • 5-month-old infants do not show selective cortical responses to affective touch. • Similar responses observed when infants are stroked with a hand or with a spoon. • Infants might need additional social cues to be able to identify affective touch.
In adults, affective touch leads to widespread activation of cortical areas including posterior Superior Temporal Sulcus (pSTS) and Inferior Frontal Gyrus (IFG). Using functional Near Infrared Spectroscopy (fNIRS), we asked whether similar areas are activated in 5-month-old infants, by comparing affective to non-affective touch. We contrasted a human touch stroke to strokes performed with a cold metallic spoon. The hypothesis that adult-like activation of cortical areas would be seen only in response to the human touch stroke was not confirmed. Similar patterns of activation were seen in both conditions. We conclude that either the posterior STS and IFG have not yet developed selective responses to affective touch, or that additional social cues are needed to be able to identify this type of touch.
Databáze: OpenAIRE