Glutamate – The Main Excitatory NT Flashcards
1
Q
What is glutamate’s role in the brain?
A
Memory & synaptic plasticity.
2
Q
What happens when NMDA receptors are blocked?
A
Sedation, dissociation, hallucinations (e.g., PCP, ketamine).
3
Q
Why can alcohol withdrawal cause seizures?
A
Alcohol is an NMDA antagonist; stopping suddenly overexcites neurons.