Keator, D. B., Salgado, F., Imbre, N., Murray, S., & Amen, D. (2026). Psychological hope as a transdiagnostic marker of brain function and cognitive capacity in psychiatry. (In preparation for publication.)
Abstract: Psychological hope is a core cognitive–motivational construct associated with resilience, treatment engagement, and long-term mental health outcomes. Despite its clinical relevance, the neurobiological systems supporting hope remain poorly characterized, particularly in large and clinically diverse populations. Here, we examined neural and cognitive–emotional correlates of dispositional hope in 6,408 adults undergoing clinical neuroimaging and assessment.
Participants completed the Adult Hope Scale as part of routine clinical evaluation, underwent perfusion-based single-photon emission computed tomography (SPECT) during rest and a sustained attention task, and completed a comprehensive computerized cognitive–emotional assessment battery. Whole-brain analyses evaluated associations between hope and cerebral perfusion while controlling for demographic and clinical factors, alongside behavioral analyses of cognitive–emotional functioning.
Lower psychological hope was associated with widespread reductions in cerebral perfusion across salience, valuation, and cognitive control networks, including bilateral insula, anterior cingulate cortex, inferior frontal gyrus, and ventromedial orbitofrontal regions. These effects were present across both resting and task conditions and were more pronounced during cognitive engagement. Lower hope was also associated with reduced self-control, diminished resilience capacity, poorer cognitive performance, impaired mood regulation, and weaker social connectivity.
Together, these findings indicate that hope is associated with a coherent neurocognitive profile reflecting engagement of large-scale brain systems critical for motivation, regulation, and future-oriented cognition. The results support hope as a biologically grounded, transdiagnostic construct with potential utility for clinical assessment, treatment planning, and intervention development in psychiatry.
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