Peer Influence Via Instagram: Effects on Brain and Behavior in Adolescence and Young Adulthood.
Peer Influence Via Instagram: Effects on Brain and Behavior in Adolescence and Young Adulthood.
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DOI:
10.1111/cdev.12838
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发表时间:
2018-01
影响因子:
4.6
通讯作者:
Dapretto M
中科院分区:
文献类型:
--
作者:
Sherman LE;Greenfield PM;Hernandez LM;Dapretto M
Mobile social media often feature the ability to “Like” content posted by others. The present study examined the effect of Likes on youths’ neural and behavioral responses to photographs. High school and college students (N = 61, ages 13–21) viewed theirs and others’ Instagram photographs while undergoing fMRI. Participants more often Liked photos that appeared to have received many (vs. few) Likes. Popular photos elicited greater activity in multiple brain regions, including the nucleus accumbens, a hub of the brain’s reward circuitry. Nucleus accumbens responsivity increased with age for high school but not college students. When viewing images depicting risk-taking (vs. non-risky photographs), high school students, but not college students, showed decreased activation of neural regions implicated in cognitive control.
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