The Limbic system, which includes the hypothalamus, paraolfactory area and a few more parts is responsible for emotional behavior and motivational drive.
Feelings and emotions are complex psychological experiences that originate in various parts of the brain and are influenced by both biological and environmental factors.
The amygdala, which is a small almond-shaped structure in the brain, plays a critical role in processing emotions such as fear and anxiety. It receives input from various sensory organs and evaluates whether a stimulus is threatening or not.
The prefrontal cortex, which is located in the front part of the brain, is involved in regulating and controlling emotional responses. It helps us to understand and interpret our feelings, and to respond to them appropriately in different situations.
Other brain regions, such as the hypothalamus and the insular cortex, are also involved in processing and regulating emotions.
Additionally, hormones and neurotransmitters such as cortisol, adrenaline, dopamine, and serotonin also play a role in the experience of emotions. For example, cortisol is associated with stress and anxiety, while dopamine is linked to pleasure and reward.
It's important to note that emotions are not purely biological in nature. They can also be influenced by social, cultural, and environmental factors, such as upbringing, relationships, and life experiences.