What determines how we make decisions - what we think, or what we feel? Our brain perceives and acts upon emotional stimuli. Emotions are a combination of cognitions, feelings, and actions. They are not just about what we feel but about how we process and respond to those feelings. Even if our internal structures are virtually the same, we are all unique individuals! Video includes: emotions and evolution, neurotransmitters and emotions, limbic system, hypothalamus, hormones and emotions, the science behind love, effects of fear, perception of emotions, and hunger responses.