Another possibility is that only a portion of one molecule is transferred to the other molecule. This type of reaction occurs, for example, in redox and acid-base reactions. In redox reactions, the transferred particle is an electron, whereas in acid-base reactions it is a proton.
Psychology is the study of mind and behavior. It is an academic discipline and an applied science which seeks to understand individuals and groups by establishing general principles and researching specific cases.
Psychology is the scientific discipline of the mind, brain and behavior. Some individuals pursue graduate study in psychology because they are interested in contributing new knowledge to the discipline â such as answering questions about how the brain works.