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Regulation system

Dorsolateral prefrontal cortex: why you lose your grip under pressure

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Under fatigue or stress, you can't step back from a situation, or hold onto what you meant to do a minute ago. This page covers what the dorsolateral prefrontal cortex does for working memory and the deliberate brake on impulse, what activates it, what shuts it down, and three sourced exercises.

Working memory, cognitive reappraisal, and top-down inhibition — the deliberate brake on impulse and emotion.

Lights up with
reappraisal · effortful self-control · holding goals in mind
Quiets with
acute stress · sleep deprivation · cognitive overload
When it is strained
poor impulse control under load · difficulty reframing · working-memory lapses

Train it

Cognitive reappraisal

in the moment

Reinterpret a charged situation's meaning before reacting.

Source Reappraisal recruits the dorsolateral prefrontal cortex to down-regulate the amygdala (Ochsner & Gross).

Working-memory practice

short daily sets

Effortful tasks that hold and update information (e.g. n-back).

Source Study scope Working-memory tasks load dorsolateral prefrontal circuits.
Working-memory tasks load dorsolateral prefrontal circuits, which is well established in imaging. Melby-Lervåg, Redick and Hulme (2016) reviewed whether training gains carry over to untrained everyday tasks, and found the carry-over confined to tasks resembling the training.

Protecting sleep

7–9h/night

Guard consistent, sufficient sleep.

Source Sleep loss selectively impairs prefrontal executive control (research on sleep deprivation and top-down regulation).

Related regions

Prefrontal cortex · Ventromedial prefrontal cortex · Orbitofrontal cortex · Medial prefrontal cortex · Anterior cingulate cortex

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Educational self-understanding tool: not medical advice, not a diagnosis.