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J Exp Child Psychol. 2015 Aug;136:30-41. doi: 10.1016/j.jecp.2015.03.012. Epub 2015 Apr 17.

Laughing matters: Infant humor in the context of parental affect.

Author information

1
Department of Behavioral Sciences, Johnson State College, Johnson, VT 05656, USA. Electronic address: gina.mireault@jsc.edu.
2
Department of Psychology, University of Vermont, Burlington, VT 05405, USA.
3
Department of Psychology, University of New Hampshire-Manchester, Manchester, NH 03101, USA.
4
Johnson State College, Johnson, VT 05656, USA.

Abstract

Smiling and laughing appear very early during the first year of life, but little is known about how infants come to appraise a stimulus as humorous. This short-term longitudinal study explored infant humor perception from 5 to 7 months of age as a function of parental affect during an absurd event. Using a within-participants design, parents alternated smiling/laughing with emotional neutrality while acting absurdly toward their infants. Group comparisons showed that infants (N = 37) at all ages smiled at the event regardless of parental affect but did so significantly longer at 5 and 6 months, and more often and sooner at 7 months, when parents provided humor cues. Similarly, sequential analyses revealed that after gazing at the event, 7-month-olds were more likely to smile at it only when parents provided humor cues and were comparatively more likely to look away when parents were neutral. Thus, starting at 5 months of age, parental affect influenced infants' affect toward an absurd event, an effect that was magnified at 7 months. These results are discussed in the context of emotional contagion, regulation, and the emergence of social referencing.

KEYWORDS:

Emotional development; Infant humor; Laughter; Positive affect; Smiling; Social cognition; Social referencing

PMID:
25897958
PMCID:
PMC4424150
DOI:
10.1016/j.jecp.2015.03.012
[Indexed for MEDLINE]
Free PMC Article

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