Glossary C

Cannabis sativa refers to the Indian hemp plant popularly known as marijuana which resin, flowering tops, leaves, and stem contain the plant’s psychoactive substances

Cannon–Bard Theory was the opposite of James–Lange theory. Walter Cannon , and later Philip Bard, argued the conscious emotional experience can be divorced from bodily sensation or expression. Although today most scientists agree that there is a correspondence between cognitive experience of emotion and sensory experience, types of emotion, emotional intensity, and individual variation appear to vary considerably. Cannon-Bard theory states that activity in the thalamus causes emotional feelings and bodily arousal to occur simultaneously. (See Cannon-Bard Theory of Emotion)

- Cannon–Bard theory of emotion : Cannon–Bard theory of emotion refers to a theory stating that an “emotional stimulus produces two co-occurring reactions: arousal “and experience of emotion which do not cause each other.

Cannula refers to a tube, used in an abortion procedure, through which the uterine contents are emptied.

Canonical babbling refers to a reduplicated series of the same consonant-vowel combination in clear syllables, such as da-da. See also Reduplicated babbling.

Canonical form refers to a whole-word sound pattern that young children sometimes use as a basis for pronouncing new words.
Canvass means interviewing a large number of potential witnesses.

Capacity refers to the sum total of cognitive resources available at any given time.