VCE Psych Unit 4 AOS 1 Sleep and Consciosness (2020)

The period of the sleep cycle when most dreaming occurs is

• 1
• REM
• NREM
• 4

When in REM sleep, a person's body is

• Moving
• Paralyzed
• Sleepwalking
• Acting out their dreams

The tendency for REM  sleep to increase following REM sleep depriivation 

• REM rebound 
• NREM sleep
• Stage 2 sleep
• awakness

Approximately how many cycles of sleep does an adult enter during a full night’s sleep?

• Six to seven
• Three to four
• One to two
• Four to five

For younger adults, the human sleep cycle repeats itself about every

• 30 minutes.
• 90 minutes.
• 2.5 hours.
• 4 hours.

After sleeping for about an hour and a half, José enters a phase of paradoxical sleep. He is likely to

• be easily awakened.
• have slower, more regular breathing.
• have slower brain waves.
• have very relaxed muscles.

Three hours after going to sleep, Shoshanna's heart rate increases, her breathing becomes more rapid, and her eyes move rapidly under her closed lids. Research suggests that Shoshanna is

• dreaming.
• emitting delta waves.
• about to sleepwalk.
• experiencing a night terror.

Consciousness is defined as

• the ability to solve problems, reason, and remember.
• the process of organizing and interpreting sensory information.
• effortless encoding of incidental information into memory.
• our awareness of ourselves and our environment.

A hormone released by the pineal gland that increases feelings of relaxation and tiredness

• dopamine

• melatonin

• SCN

• serotonin

A change in bodily function or activity that repeats less than every 24 hours is referred to as

• ultradian rhythm

• circadian rhythm

• biological rhythm

• infradian rhythm