PSY320- CH.15
Based on what is known about body rhythms, you can maximize your ability to pay attention while studying by taking a break approximately every ______ minutes.
90
How long arecircadian rhythms?
about 24 hours
Dr. Smith has been living in his fallout shelter for the last several months with no clock and no contact with the outside word. His activity cycle is probably ______
around 25 hours
Many industrial accidents occur at what time
between midnight and 4 am
During Arial's brain surgery, the suprachiasmatic nucleus was damaged. Afterward, she probably experienced ________.
fluctuations in body temp
Although many blind individuals have difficulty maintaining circadian rhythms, some are able to do so through ______.
ganglion cells that contain melanopsin
Westward travel is less disruptive of the circadian rhythm than eastward travel, in part because it is easier to ______ than to ______
go to sleep later; go to sleep when you are not sleepy
Performance increases when the difference between light levels of active vs. sleep periods is ______
great
In phase delay, an individual goes to sleep ______, while in phase advance, the individual goes to sleep ______
later; earlier
Antonio has been flying between New York and Madrid every week for the last year and often suffers from jet lag. One treatment suggested in your book is ______.
melatonin
Dr. Borgen skips lunch to avoid that afternoon dip in alertness. This strategy will ______
not be effective at eliminating the slump
In sleep deprivation studies, what is the pattern of performance?
performance declines at night and shows some recovery the next day
Melatonin is produced in the ______ gland.
pineal
Because the ______ is/are not needed for light to alter melatonin levels, individuals who are blind may show entrainment to light
rods and cones
Ultradian rhythms are ______
shorter than circadian rhythms
Light will ______ melatonin in the body.
suppress
In mammals, the ______ is the brain area most associated with biological rhythms.
suprachiasmastic nucleus
External lighting conditions alter circadian rhythms via ______
the retinohypothalamic pathway
jet lag is most severe when traveling from ______.
west to east