Article Dans Une Revue Nature Human Behaviour Année : 2024

Goal commitment is supported by vmPFC through selective attention

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Abstract When striking a balance between commitment to a goal and flexibility in the face of better options, people often demonstrate strong goal perseveration. Here, using functional MRI ( n = 30) and lesion patient ( n = 26) studies, we argue that the ventromedial prefrontal cortex (vmPFC) drives goal commitment linked to changes in goal-directed selective attention. Participants performed an incremental goal pursuit task involving sequential decisions between persisting with a goal versus abandoning progress for better alternative options. Individuals with stronger goal perseveration showed higher goal-directed attention in an interleaved attention task. Increasing goal-directed attention also affected abandonment decisions: while pursuing a goal, people lost their sensitivity to valuable alternative goals while remaining more sensitive to changes in the current goal. In a healthy population, individual differences in both commitment biases and goal-oriented attention were predicted by baseline goal-related activity in the vmPFC. Among lesion patients, vmPFC damage reduced goal commitment, leading to a performance benefit.

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hal-04802825 , version 1 (25-11-2024)

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Eleanor Holton, Jan Grohn, Harry Ward, Sanjay G Manohar, Jill X O’reilly, et al.. Goal commitment is supported by vmPFC through selective attention. Nature Human Behaviour, 2024, 8 (7), pp.1351-1365. ⟨10.1038/s41562-024-01844-5⟩. ⟨hal-04802825⟩
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