Neurotransmitters: These are chemicals in the brain responsible for transmitting signals between neurons. They play a crucial role in influencing various aspects of behavior and mental processes.
Brain plasticity: Also known as neuroplasticity, this refers to the brain's ability to change its structure and function in response to experiences or new learning.
Genetics: The study of genes and heredity. Biopsychologists investigate how genetic factors contribute to individual differences in behavior and psychological traits.