The amygdala is a complex of nuclei located deep within the temporal lobes. It is considered the primary brain structure involved in processing emotional information and generating emotional responses.

The hypothalamus is a small structure located at the base of the brain. It plays a crucial role in regulating physiological responses to emotions, such as changes in heart rate, blood pressure, and respiration.

Dopamine is a neurotransmitter that plays a significant role in mediating feelings of pleasure, reward, and motivation. It is released in response to rewarding stimuli and is involved in the brain's reward system.

The insula is a brain region located deep within the lateral sulcus. It plays a role in integrating sensory information related to emotions, such as taste, smell, and touch, and in generating emotional responses.

The prefrontal cortex, particularly the ventromedial prefrontal cortex, is involved in regulating emotional responses and inhibiting inappropriate emotional expressions. It plays a role in cognitive control and decision-making, helping to modulate emotional responses.

The hippocampus is a brain structure involved in memory formation and consolidation. It plays a role in storing emotional memories and associating them with contextual information.

Norepinephrine is a neurotransmitter that plays a significant role in mediating feelings of fear, anxiety, and arousal. It is released in response to stressful stimuli and is involved in the brain's stress response system.

The anterior cingulate cortex is a brain region involved in monitoring and evaluating emotional experiences. It plays a role in conscious awareness of emotions and in making decisions based on emotional information.

The temporoparietal junction is a brain region involved in interpreting social cues and understanding the emotional states of others. It plays a role in social cognition and empathy.

The cerebellum plays a role in coordinating emotional expressions, such as facial expressions and body language. It helps to ensure that emotional expressions are appropriate and congruent with the emotional state.

GABA is a neurotransmitter that plays a significant role in mediating feelings of calmness, relaxation, and sleep. It is involved in inhibiting neuronal activity and reducing anxiety.

The basal ganglia play a role in selecting and executing emotional responses. They help to determine which emotional response is appropriate in a given situation and to initiate the necessary behavioral and physiological changes.

The somatosensory cortex is involved in processing emotional information from the body, such as changes in heart rate, blood pressure, and touch. It helps to integrate bodily sensations with emotional experiences.

The brainstem plays a role in regulating physiological responses to emotions, such as changes in heart rate, blood pressure, and respiration. It also controls basic survival functions, such as breathing and sleep, which are influenced by emotions.