Science & ResearchAug 4, 2026
Evolutionary rise of a synaptic mechanism for creating and diversifying key reinforcement signals
Most neurons release either excitatory or inhibitory neurotransmitters.
Most neurons release either excitatory or inhibitory neurotransmitters. However, multiple inputs to the lateral habenula (LHb) co-transmit glutamate and GABA, transmitters with opposing effects on LHb output. Although the LHb has an established role in reinforcement learning,…
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