Which theory about the cause of depression is supported by research?

Question

Quizplus · Accepted Answer

Research suggests that depression may be caused by an imbalance of brain chemicals called neurotransmitters (e.g. ,serotonin,dopamine,and norepinephrine).Communication between neurons in the brain occurs by the movement of these chemicals across a small gap called a synapse.Neurotransmitters are released from one neuron and cross the synapse where they may be accepted by the receptor sites on the next neuron.When neurotransmitter levels decrease or become imbalanced,the neurons may be less able to communicate with each other,which may lead to depression and other mood changes.

Which Theory About the Cause of Depression Is Supported by Research