Every thought, memory, and feeling we experience depends on trillions of tiny connection points in the brain called synapses.

Learning is often an emotional process. Emotional stimuli with different valences, such as threat and reward, can transform an otherwise neutral sensory input into one that can trigger distinct ...

If you had 10 chances to roll a die, would you rather be guaranteed to receive $5 for every roll ($50 total) or take the risk of winning $100 if you only roll a six? If you had 10 chances to roll a ...