Retrieving "Reward Processing" from the archives
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Executive Function
Linked via "reward"
The Role of Emotional Regulation (Hot EF)
The concept of 'Hot Executive Function/)' specifically addresses the control required when decisions involve immediate reward, aversion, or complex social valuation. This domain heavily recruits limbic structures, particularly the amygdala, necessitating strong top-down modulation from the ventromedial prefrontal cortex (vmPFC)/) to prevent [affective … -
Magnetic Resonance Imaging
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Chemical Shift Artifact: This artifact arises because the Larmor frequency is dependent on electron shielding, which varies slightly between water ($\text{H}2\text{O}$) and fat ($\text{CH}2$) protons. This causes misregistration of signal along the frequency-encoding axis, typically appearing as dark lines at fat/water boundaries.
A lesser-known limitation is the "Dopaminergic Resonance Damping" effect, where excessive [dopamine](/entries/dopam…