| A | B |
|---|
| Narcolepsy | A sleep disorder characterized by uncontrollable sleep attacks |
| Menarche | the first menstrual period |
| Latent Learning | learning that occurs but is not apparent until there is an incentive to demonstrate it |
| Weber's Law | the principle that, to be perceived as different, 2 stimuli must differ by a constant minimum percentage (rather than a constant amount) |
| Empiricism | the view that a) knowledge comes from experience via the senses and b) science flourishes through observation and experimentation |
| Flow | a completely involved, focused state of consciousness with diminished awareness of self and time, resulting from optimal engagement of one's skills |
| Illusory Correlation | the perception of a relationship where none exists (ex, superstitions) |
| Dendrite | the bushy, branching extensions of a neuron that receive messages and conduct impulses toward the cell body |
| Hidden Observer | Hilgard's term describing a hypnotized subject's awareness of experiences, such as pain, that go unreported during hypnosis |
| Fovea | the point at which the optic nerve leaves the eye, creating a "blind" spot because no receptor cells are located there |
| Altruism | Unselfish regard for the welfare of others |
| Mnemonics | Memory aids - especially those techniques that use vivid imagery and organizational devices |
| Medulla | the base of the brainstem which controls the heartbeat and breathing |
| Phoneme | in a spoken language, the smallest distinctive sound unit |
| Myelin Sheath | a layer of fatty tissue segmentally encasing the fibres of many neurons |
| Content Validity | the extent to which a test samples the behaviour that is of interest |
| Morpheme | in a language, the smallest unit that carries meaning (may be a word or part of a word) |
| Priming | the activation, often unconsciously, of particular association in memory |
| PHI Phenomenon | an illusion of movement created when 2 or more adjacent lights blink on and off in succession |
| Glial Cells | cells in the nervous system that support, nourish, and protect neurons |
