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Psychology Glossary: Y Index

These are brief definitions of psychology terms beginning with Y. Click on the term for a more detailed definition.
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |

Y Chromosome Definition
The sex chromosome found only in males...

Young-Helmholtz Trichromatic Theory of Color Vision Definition
According to this theory of color vision, there are three receptors in the retina that are responsible for the perception of color...

Yerkes-Dodson Law Definition
Have you ever noticed that you sometimes perform better when you are a little bit nervous? Learn more about what is known as the Yerkes-Dodson Law.

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