Wired to be connected? Links between mobile technology engagement, intertemporal preference and frontostriatal white matter connectivity.
Adolescent
Brain Mapping
Delay Discounting
Diffusion Magnetic Resonance Imaging
Female
Humans
Individuality
Magnetic Resonance Imaging
Male
Nerve Net
/ diagnostic imaging
Prefrontal Cortex
/ diagnostic imaging
Reward
Social Media
Ventral Striatum
/ diagnostic imaging
White Matter
/ diagnostic imaging
Young Adult
connectivity
delay discounting
diffusion imaging
impulsivity
mobile technology
reward
smartphones
white matter
Journal
Social cognitive and affective neuroscience
ISSN: 1749-5024
Titre abrégé: Soc Cogn Affect Neurosci
Pays: England
ID NLM: 101288795
Informations de publication
Date de publication:
17 05 2019
17 05 2019
Historique:
received:
06
08
2018
revised:
28
02
2019
accepted:
02
04
2019
pubmed:
16
5
2019
medline:
16
1
2020
entrez:
16
5
2019
Statut:
ppublish
Résumé
Youth around the world are increasingly dependent on social media and mobile smartphones. This phenomenon has generated considerable speculation regarding the impacts of extensive technology engagement on cognitive development and how these habits might be 'rewiring' the brains of those growing up in a heavily digital era. In an initial study conducted with healthy young adults, we utilized behavioral and self-report measures to demonstrate associations between smartphone usage habits (assessed both subjectively and objectively) and individual differences in intertemporal preference and reward sensitivity. In a follow-up neuroimaging study, we used probabilistic tractography of diffusion-weighted images to determine how these individual difference characteristics might relate to variation in white matter connectivity, focusing on two dissociable pathways-one connecting the ventral striatum (vSTR) with the ventromedial prefrontal cortex (vmPFC) and the other connecting the vSTR with the dorsolateral prefrontal cortex (dlPFC). Regression analyses revealed opposing patterns of association, with stronger vSTR-vmPFC connectivity corresponding to increased mobile technology engagement but stronger vSTR-dlPFC connectivity corresponding to decreased engagement. Taken together, the results of these two studies provide important foundational evidence for both neural and cognitive factors that can be linked to how individuals engage with mobile technology.
Identifiants
pubmed: 31086992
pii: 5479340
doi: 10.1093/scan/nsz024
pmc: PMC6523422
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
367-379Subventions
Organisme : NIMH NIH HHS
ID : R01 MH091113
Pays : United States
Informations de copyright
© The Author(s) 2019. Published by Oxford University Press.
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