| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| psychogenesis | noun | Genesis through an internal force, as opposed to natural selection. |
| psychological | adjective | Of or pertaining to psychology. See Note under Psychic. |
| psychophysics | noun | The science of the connection between nerve action and consciousness; the science which treats of the relations of the psychical and physical in their conjoint operation in man; the doctrine of the relation of function or dependence between body and soul. |