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. 2018 Jan 10:8:2311.
doi: 10.3389/fpsyg.2017.02311. eCollection 2017.

Hot and Cool Executive Functions in Adolescence: Development and Contributions to Important Developmental Outcomes

Affiliations

Hot and Cool Executive Functions in Adolescence: Development and Contributions to Important Developmental Outcomes

Kean Poon. Front Psychol. .

Abstract

Despite significant theoretical advancement in the area of child neuropsychology, limited attention has been paid to the developmental features of adolescence. The present study intends to address this issue in relation to executive function (EF). EF refers to the psychological processes that underlie goal-directed behavior; recent studies separate cool EF (psychological process involves pure logic and critical analysis) and hot EF (psychological process driven by emotion). Although neurological findings suggest that adolescence is a sensitive period for EF development, data on comparing the developmental progression in hot or cool EFs is highly missing. Moreover, while evidence has confirmed the relationships between EF and day-to-day functioning, whether and how hot and cool EFs contribute to core developmental outcomes in adolescence is still remained unknown. The current study aims to enhance our understanding of the development and impacts of hot and cool EFs in adolescence. A total of 136 typically developing adolescents from age 12 to 17 completed four cool EF tasks including Backward digit span, Contingency naming test, Stockings of Cambridge, and Stroop Color and Word test, and one hot task on Cambridge gambling task. Data on academic performance and psychological adjustment was also collected. Results showed that cool and hot EF exhibited different patterns of age-related growth in adolescence. Specifically, cool EF ascended with age while hot EF showed a bell-shaped development. Moreover, there were correlations among cool EF measures but no association between cool and hot EFs. Further, cool EF was a better predictor of academic performance, while hot EF uniquely related to emotional problems. The results provide evidence for the association among cool EF tests and the differentiation of hot and cool EFs. The bell-shaped development of hot EF might suggest a period of heightened risk-taking propensity in middle adolescence. Given the plastic nature of EF, especially over adolescence, the current findings may have practical implications for future EF identification and training.

Keywords: academic performance; adolescence; executive functions; psychological adjustment.

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Figures

Figure 1
Figure 1
Mean of each age group on backward digit span test. Processing Speed improves across different ages with a spurt between age of 14 and 15.
Figure 2
Figure 2
Mean of each age group on CNT (attentional control: subtest 1+2). Attention control improved from age 14 suddenly with steady pattern.
Figure 3
Figure 3
Mean of each age group on CNT (cognitive flexibility: subtest 3+4). Cognitive flexibility shows steady growth throughout different ages.
Figure 4
Figure 4
Mean of each age group on SOC Test. SOC shows flat development from age 12 to age 16 and developmental spurt at age 17.
Figure 5
Figure 5
Mean of each age group on Stroop Color and Word Test. Interference control (response inhibition) improved from age 13 to age 16 but shows a downward trend at age 17.
Figure 6
Figure 6
Mean of each age group on CGT Test: risk adjustment. Risk adjustment shows bell shape pattern reaching the top at age 14.
Figure 7
Figure 7
Mean of each age group on CGT Test: Delay Aversion. Choice impulsivity shows bell shape pattern reaching the top at age 15. Significant developmental spurt and drops were found before age 14 and after age 15.

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