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Abstract
Theories of adolescent behaviour attribute increases in risk-taking and sensation-seeking in this age group to a heightened sensitivity to emotional stimuli on the one hand and a relatively immature cognitive control system on the other hand. However, little research has outlined to what extent relevant and irrelevant emotional stimuli bias the imbalance between affective processing and cognitive control. Thirty-three adolescents (19 females, aged 12–14) and 37 adults (18 females, aged 18–29) completed two attentional conditions of an emotional face working memory (WM) 0-back/2-back task. Participants were asked to attend to the emotional facial expression in the “relevant” emotion condition, and to the gender of the face in the “irrelevant” condition. The results revealed a WM improvement for happy faces in the relevant condition in both age groups, and an impairment for irrelevant happy faces in adolescents, but not adults. Furthermore, the difference between both attentional conditions for happy faces was larger in adolescents than adults. Results are discussed within the framework of theories of adolescent behaviour.
Acknowledgements
We thank Laure-Anne Herpoel and Reinout Delclef for their help with data collection.
Disclosure statement
No potential conflict of interest was reported by the authors.
Funding
This work is supported by the Multidisciplinary Research Partnership “The integrative neuroscience of behavioural control” of Ghent University.
Supplemental data
Supplemental data for this article can be accessed here.
Notes
1 Actors with numbers 1, 2, 3, 7, 8, 9, 20, 23, 25, 28, 30, 34, 35 and 36.
2 Actors with numbers 1, 2, 4, 8, 9, 12, 15, 24, 28, 30, 31, 32, 37, 46, 49, 57, 58 and 71.
3 Female model numbers 1, 5, 9, 14, 19, 20 and 24; male model numbers 1, 5, 7, 9, 10, 14 and 23.