Cognitive Hierarchies in medial and lateral PFC
3 important questions on Cognitive Hierarchies in medial and lateral PFC
Choice difficulty (Botvinick 2007, Shenhav et al. 2014)
- ACC codes for choice difficulty (i.e. Conflict between choice options).
- ACC activity during decision-making increases when 2 options are close in value (i.e. It's more difficult to choose) and decreases when the value difference is large (one is a lot better than the other one).
- Example: choose between chocolate cake or apple pie, assuming you like both -> difficult choice
Choice difficulty, Adaptive effort allocation & expected value of control are:
- specific to the mPFC/ACC in cognitive control/effort exertion
- based on fMRI and/or EEG data
PRO, RVPM and HRL-ACC account for
- mPFC/ACC activity across tasks and across modalities
- Based on fMRI data, EEG data, animal work and what is recorded in neurons in animal studies and also across tasks
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