People who become dependent on a drug may become tolerant to that drug. This means they need to use more and more of the drug to get the same effect or to avoid withdrawal symptoms. When people are dependent they believe they have to use the drug to do certain things or feel a certain way.
Answer:
Explanation: glutamate and glycine (or D-serine) bind to it, and when activated it allows positively charged ions to flow through the cell membrane. The NMDA receptor is very important for controlling synaptic plasticity and memory function. The NMDAR is a specific type of ionotropic glutamate receptor.
