Glossary: Psychedelic Medicine
GABA (Gamma-Aminobutyric Acid)
The primary inhibitory neurotransmitter in the central nervous system that helps regulate neuronal excitability and promotes relaxation.
Glutamate
The brain's primary excitatory neurotransmitter involved in learning, memory, synaptic plasticity, and neurodevelopment. Ketamine primarily affects glutamatergic signaling.
Grounding
Techniques that help individuals reconnect with the present moment, their body, and their immediate surroundings to reduce distress, dissociation, or overwhelming emotional activation.
Guide
A trained individual who accompanies and supports participants through psychedelic or ceremonial experiences. Responsibilities and qualifications vary across therapeutic, ceremonial, and cultural contexts.
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