Which term refers to the chemicals in the brain through which psychoactive drugs work and have their effect on behaviour,cognition,and emotion

A)  neurotransmitters
B)  hormones 
C)  glial cells
D)  proteins

Neurotransmitters

Neurotransmitters are chemical messengers that transmit signals across synapses from one neuron to another in the brain and nervous system, influencing various bodily functions.

Psychoactive Drugs

Substances that, when taken, alter perception, mood, consciousness, cognition, or behavior.

Brain

The central organ of the human nervous system, responsible for processing sensory information, regulating vital functions, and enabling cognition and emotional responses.