Describe the different stages of sleep, what occurs during these stages, and what cortical activity is characteristic of each stage.
What will be an ideal response?
Non-REM sleep includes stages 1-4 of sleep. Stage 1 of sleep is light sleep, and the brain shows theta waves in EEG recordings during this sleep stage. Stage 2 of sleep begins approximately 10 minutes after sleep onset and is characterized by sleep spindles and K complexes in EEG recordings. Slow-wave sleep includes stages 3 and 4 of sleep. During slow-waves sleep, EEG will show delta waves, and a person may move around, sleepwalk, wet the bed, or experience night terrors or dreams. Rapid eye movement (REM) sleep is characterized by an EEG pattern that resembles waking brain activity and eyes darting back and forth behind closed lids. The body is paralyzed during REM sleep (atonia), although the heart and respiration rate increase and sexual arousal can occur. Vivid dreams are also common during REM sleep.
You might also like to view...
People who have the same sexual orientations still differ in what they find enjoyable. These are
a. erotic preferences. c. sexual identity diversity. b. erotic identity. d. sexual orientation.
The cephalocaudal and proximodistal rules of development are MOST correlated with changes in the structure and function of the:
A) motor cortex and movement pathways. B) prefrontal cortex and decision-making pathways. C) language acquisition device in the left temporal lobe. D) dopaminergic pleasure centres in the nucleus accumbens.
In general, men have ______ parental involvement than compared to women.
A. lower B. higher C. equal D. commensurate
When psychologists examine the world only through the perspective of their own culture, it is known as __________.
A. experimenter bias B. demand characteristics C. ethnocentrism D. artificiality