Joint models reveal human subcortical underpinnings of choice and learning behaviour DOI Creative Commons
Steven Miletić, Niek Stevenson, Pierre‐Louis Bazin

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 21, 2024

Abstract Decision making and learning processes together enable adaptive goal-oriented behaviour. Animal studies demonstrated the importance of subcortical regions in these cognitive processes, but human contributions remain poorly characterised. Here, we study choice subcor-tex, using a tailored ultra-high field 7 T fMRI imaging protocol combined with joint models. Joint models provide unbiased estimates brain-behaviour rela-tions by simultaneously including behavioural neural data at participant group level. Results demonstrate relations between adjustment decision urgency. Value-related BOLD differences were found opposite polarity different parts striatum. Multiple sub-cortical showed signatures reward prediction error processing, contrary to expectations, did not include dopaminergic midbrain. Combined, this characterises learning, demonstrates feasibility value modelling facilitating our understanding relationships.

Language: Английский

Joint models reveal human subcortical underpinnings of choice and learning behaviour DOI Creative Commons
Steven Miletić, Niek Stevenson, Pierre‐Louis Bazin

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 21, 2024

Abstract Decision making and learning processes together enable adaptive goal-oriented behaviour. Animal studies demonstrated the importance of subcortical regions in these cognitive processes, but human contributions remain poorly characterised. Here, we study choice subcor-tex, using a tailored ultra-high field 7 T fMRI imaging protocol combined with joint models. Joint models provide unbiased estimates brain-behaviour rela-tions by simultaneously including behavioural neural data at participant group level. Results demonstrate relations between adjustment decision urgency. Value-related BOLD differences were found opposite polarity different parts striatum. Multiple sub-cortical showed signatures reward prediction error processing, contrary to expectations, did not include dopaminergic midbrain. Combined, this characterises learning, demonstrates feasibility value modelling facilitating our understanding relationships.

Language: Английский

Citations

0