Biopsychology 5/15

Question 1

Circadian rhythms

Answer 1

A type of biological rhythm subject to a
24-hour cycle, which regulates a
number of body processes such as the
sleep/wake cycle and changes in core
body temperature.

Question 2

Infradian rhythms

Answer 2

Infradian rhythms are biological rhythms that have a duration of over 24 hours, and may
be weekly, monthly, or even annual. Ultradian rhythms are biological rhythms that have a
duration of less than 24 hours.

Question 3

Ultradian rhythms

Answer 3

Have cycles that occur more than once every 24 hours.

Question 4

Biological rhythms

Answer 4

Distinct patterns of changes in biological activity that conform to cyclical time periods.