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Neurosci Biobehav Rev. 2017 Sep;80:57-68. doi: 10.1016/j.neubiorev.2017.05.010. Epub 2017 May 12.

Social connectedness, mental health and the adolescent brain.

Author information

1
Brain and Mental Health Laboratory, Monash Institute of Cognitive and Clinical Neurosciences, School of Psychological Sciences and Monash Biomedical Imaging, Monash University, 770 Blackburn Rd., Clayton, Victoria, 3800, Australia. Electronic address: michelle.lamblin@monash.edu.
2
Department of Finance, The University of Melbourne 198 Berkeley St., Carlton, Victoria, 3053, Australia. Electronic address: carstenm@unimelb.edu.au.
3
Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne and Melbourne Health, Level 3, 161 Barry St., Carlton, Victoria, 3053, Australia. Electronic address: swhittle@unimelb.edu.au.
4
Brain and Mental Health Laboratory, Monash Institute of Cognitive and Clinical Neurosciences, School of Psychological Sciences and Monash Biomedical Imaging, Monash University, 770 Blackburn Rd., Clayton, Victoria, 3800, Australia. Electronic address: Alex.fornito@monash.edu.

Abstract

Social relationships promote health and wellbeing. Brain regions regulating social behavior continue to develop throughout adolescence, as teens learn to navigate their social environment with increasing sophistication. Adolescence is also a time of increased risk for the development of psychiatric disorders, many of which are characteristically associated with social dysfunction. In this review, we consider the links between adolescent brain development and the broader social environment. We examine evidence that individual differences in social ability, partly determined by genetic influences on brain structure and function, impact the quality and quantity of social ties during adolescence and that, conversely, the structure of one's social network exerts complex yet profound influences on individual behavior and mental health. In this way, the brain and social environment sculpt each other throughout the teenage years to influence one's social standing amongst peers. Reciprocal interactions between brain maturation and the social environment at this critical developmental stage may augment risk or promote resilience for mental illness and other health outcomes.

KEYWORDS:

Adolescence; Brain; Genes; MRI; Mental health; Social cognition; Social media; Social network

PMID:
28506925
DOI:
10.1016/j.neubiorev.2017.05.010
[Indexed for MEDLINE]

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