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Selective Inhibitory Control in Middle Childhood.

ABSTRACT: The main aim of this study was to investigate the development of selective inhibitory control in middle childhood, a critical period for the maturation of inhibition-related processes. To this end, 64 children aged 6-7 and 56 children aged 10-11 performed a stimulus-selective stop-signal task, which allowed us to estimate not only the efficiency of response inhibition (the stop-signal reaction time or SSRT), but also the strategy adopted by participants to achieve task demands. We found that the adoption of a non-selective (global) strategy characterized by stopping indiscriminately to all stimuli decreased in older children, so that most of them were able to interrupt their ongoing responses selectively at the end of middle childhood. Moreover, compared to younger children, older children were more efficient in their ability to cancel an initiated response (indexed by a shorter SSRT), regardless of which strategy they used. Additionally, we found improvements in other forms of impulsivity, such as the control of premature responding (waiting impulsivity), and attentional-related processes, such as intra-individual variability and distractibility. The present results suggest that middle childhood represents a milestone in the development of crucial aspects of inhibitory control, including selective stopping.

SUBMITTER: Rincon-Perez I

PROVIDER: S-EPMC8296104 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:OBJECTIVE:The anterior cingulate cortex (ACC) is critical for both stress and inhibitory control processes and has been implicated in childhood trauma. This prospective study tested the hypothesis that early trauma moderates the association between inhibitory control during late childhood and ACC stress reactivity during adolescence. METHOD:Sixty-four adolescents were stratified into higher- or lower-childhood-trauma groups. Inhibitory control was indicated by fewer errors on a Stroop Color-Word task. Personalized stress cues during functional magnetic resonance imaging assessed neural correlates of stress in adolescents. RESULTS:Using a priori-defined anterior (rCZa) and posterior rostral cingulate zones of the ACC, associated with Stroop Color-Word task performance in prior meta-analyses, Stroop errors correlated inversely with activation in the rCZa during stress-cue exposure (r?=?-.23, p?=?.04). Childhood trauma moderated the association between Stroop errors and rCZa stress reactivity (interaction?=?-1.26, p?=?.02, 95%CI?=?-2.33,-0.20), where Stroop errors were inversely associated with brain activation among those with higher childhood trauma (simple slopes?=?-.83, p?=?.007, 95%CI?=?-1.40,-0.25). Low stress-related rCZa activation inversely (R2?=?0.19, b?=?-0.43, p?=?.001, 95%CI?=?-4.11,-1.06) and Stroop errors directly (R2?=?0.09, b?=?0.27, p?=?.048, 95%CI?=?0.02, 5.8) associated with baseline subjective anxiety while controlling for childhood trauma. CONCLUSIONS:This is the first study to demonstrate a moderating role of childhood trauma on the relationship between inhibitory control and stress-related ACC activation. Childhood trauma may portend neurodevelopmental changes that impede recruitment of control-associated ACC-functioning during distress, which may relate to dysregulation of stress-induced affective responses. Further work is needed to elucidate relationships between childhood trauma and addictive behaviors precipitated by stress.

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Selective Inhibitory Control in Middle Childhood.

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