Lesions in the caudate and left frontal region are associated with which emotional change pattern?

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Multiple Choice

Lesions in the caudate and left frontal region are associated with which emotional change pattern?

Damage to the left caudate and left frontal regions disrupts frontal–subcortical circuits that regulate mood and emotional reactivity, making depressive affect the most likely pattern. When these left-sided circuits are impaired, individuals often show sadness, tearfulness, and exaggerated negative reactions to events—catastrophic responses to stress—reflecting a loss of positive affect and impaired mood regulation. In contrast, euphoria or expansive affect is more typical of right-sided frontal involvement, manic-like episodes can accompany disinhibition more on the right, and apathy with minimal mood change usually stems from broader or different frontal–subcortical disruptions.

Damage to the left caudate and left frontal regions disrupts frontal–subcortical circuits that regulate mood and emotional reactivity, making depressive affect the most likely pattern. When these left-sided circuits are impaired, individuals often show sadness, tearfulness, and exaggerated negative reactions to events—catastrophic responses to stress—reflecting a loss of positive affect and impaired mood regulation. In contrast, euphoria or expansive affect is more typical of right-sided frontal involvement, manic-like episodes can accompany disinhibition more on the right, and apathy with minimal mood change usually stems from broader or different frontal–subcortical disruptions.

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