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Article Dans Une Revue Developmental Psychobiology Année : 2014

Air stepping in response to optic flows that move Toward and Away from the neonate

Marianne Barbu-Roth
  • Fonction : Auteur
David Anderson
  • Fonction : Auteur
Adeline Desprès
  • Fonction : Auteur
Ryan Streeter
  • Fonction : Auteur
Dominique Cabrol
  • Fonction : Auteur
Michael Trujillo
  • Fonction : Auteur
Joseph Campos
  • Fonction : Auteur
Joëlle Provasi

Résumé

ABSTRACT: To shed further light on the perceptual regulation of newborn stepping, we compared neonatal air stepping in response to optic flows simulating forward or backward displacement with stepping forward on a surface. Twenty-two 3-day-olds performed four 60 s trials in which they stepped forward on a table (Tactile) or in the air in response to a pattern that moved toward (Toward) or away (Away) from them or was static (Static). Significantly more steps were taken in the Tactile and Toward conditions than the Static condition. The Away condition was intermediate to the other conditions. The knee joint activity across the entire trial was significantly greater in the Toward than the Away condition. Within-limb kinematics and between-limb coordination were very similar for steps taken in the air and on the table, particularly in the Toward and Tactile conditions. These findings highlight that visual and tactile stimulation can equally elicit neonatal stepping.   2013 Wiley Periodicals, Inc. Dev Psychobiol 9999: 1–8, 2013.

Dates et versions

hal-03932769 , version 1 (10-01-2023)

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Marianne Barbu-Roth, David Anderson, Adeline Desprès, Ryan Streeter, Dominique Cabrol, et al.. Air stepping in response to optic flows that move Toward and Away from the neonate. Developmental Psychobiology, 2014, 56 (5), pp.1142-1149. ⟨10.1002/dev.21174⟩. ⟨hal-03932769⟩
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