Arif Hamid

This study identifies HSF1's role in regulating thalamostriatal synapses and cognitive flexibility by controlling transcriptional programs and actin dynamics.

The paper identifies two distinct cholinergic mechanisms for modulating striatal dopamine release in vivo, revealing a fast monosynaptic and a slower polysynaptic pathway.

This study investigates how early life adversity in mice affects reward processing and behavior, finding altered dopamine dynamics and behavioral opportunism.

The paper develops a method to measure dopamine dynamics across multiple timescales using modified FSCV and ratiometric analysis, demonstrating its application in vitro and in vivo.

This study identifies wave-like spatiotemporal patterns in dopamine axons across the dorsal striatum and links them to task contexts and instrumental controllability.

The paper shows that dopamine release in forebrain regions correlates with reward expectation, while VTA dopamine cell firing shows error-like responses, suggesting distinct mechanisms for motivation signals.