Which psychological perspective examines how the brain and the nervous system affect behavior

Neuroscience perspective examines how the brain and the nervous system affect behavior.

Explanation:

This perspective takes into consideration the neurotransmitters of the body and the internal structures of  the brain. Neurons are the nerve cells present in the brain which has its end portion called dendrites, These dendrites establishes a connect with another dendrite and thus a chemical reaction take place which transmits messages to the brain causing voluntary or involuntary action in the body.

Neuroscience perspective takes into consideration the emotional stress or another serious brain injury which would have caused some behavioral disorder in an individual. Brain scan called PET scan reveals such major traumatic injuries and the treatment takes place accordingly.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )