According to research on neurotransmitters and emotion, too little norepinephrine is associated with _____, and too much triggers _____.

• A. depression; mania
• B. mania; depression
• C. schizophrenia; anxiety
• D. anxiety; depression

Answer: (A)

Verified step by step guidance

1. Understand the role of norepinephrine in the brain: it is a neurotransmitter involved in regulating mood, arousal, and alertness.
2. Recall that imbalances in norepinephrine levels are linked to mood disorders, where low levels are often associated with depressive symptoms.
3. Recognize that excessive norepinephrine activity can lead to heightened arousal and mood elevation, which is characteristic of mania.
4. Match the conditions to the neurotransmitter levels: too little norepinephrine corresponds to depression, and too much corresponds to mania.
5. Confirm that the correct pairing based on research is: too little norepinephrine is associated with depression, and too much triggers mania.