Infradian and Ultradian Rhythm

......... are rhythms that take longer than 24 hours to complete.

• Infradian

• Ultradian

the menstural cycle is ...

• Infradian

• Ultradian

Seasonal affective disorder is ...

• Infradian

• Ultradian

the sleep cycle is ...

• Infradian

• Ultradian

......... are rhythms are those that take less than 24 hours to complete and occurs more than once over the course of a day.

• Infradian

• Ultradian

SAD is a particular type of infradian rhythm called a circannual rhythm as it is subject to a yearly cycle.

• true

• false

Psychologists have identified 7 distinct stages of sleep

• true

• false

Each of these stages is characterised by a different level of brainwave activity which can be monitored using an ....

• fMRI

• CAT

• EEG

• PET

which stage of sleep is REM sleep?

• stage 1

• stage 2

• stage 3

• stage 4

• stage 5

which stages (more than 1) of sleep when we have slow wave sleep (deep sleep)?

• stage 1

• stage 2

• stage 3

• stage 4

• stage 5