Question | Answer |
Consciousness | awareness of sensations,thoughts and feelings being experienced at a given moment. |
Selective attention | trying to concentrate listening to a person talking while ignoring the background noise. |
Divided attention | a person talking on the phone while doing the cooking and watching television |
cocktail party phenomenon | you tend to listen to a conversation that interests you in spite of other conversations going on around you |
inattention blindness | looking for a particular item and while doing so, failed to notice a friend who was also shopping a few feet away |
Characteristics common to all altered states of consciousness | decreased sense of self, distorted perception of time, decreased sense of inhibition or loss of self control, alteration in thinking |
Sleep | is needed by the body to function well. it is not a state of unconsciousness, it is a state of "alternate consciousness" |
benefits of sleep | increased secretion of growth hormone,strengthen our capacity to remember - learning,it serves to repair the wear and tear on our bodies |
how many states of sleep are there | 4 |
describe stage one of sleep | transition between wakefulness and sleep,images can appear but not true dreaming,low voltage brain waves |
describe stage two of sleep | person is difficult to wake up,slower,more regular wave patterns, "sleep spindles" appear |
describe stage three of sleep | slow brain waves, with greater peaks and valleys in the wave pattern |
describe stage four of sleep | person is least responsive to outside |
insomnia | dissatisfaction with the amount or quality of one's sleep |
narcolepsy | a sleep disorder characterized by sleep attack irresistibly falling asleep at in appropriate times |
sleep apnea | a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings. Brain fails to send breathe signal to the diaphragm and other breathing muscles -breathing stop |
Night terrors | a sleep disorder charachterized by high arousal and an appearance of being terrified |
Hypnosis | is a specific and unusual form of verbal control that apparently enables one person to control some of another persons behaviour, including thinking and perceiving |
Dreams | a sequence of images, emotions, and thoughts passing through a sleeping persons mind |
functions of dreams | dreaming as wish fullfillment, dreaming as story constuction,dreaming as learning |
Homeostatic sleep process | 8 hours of sleep to 16hours of wakefulness every 24 hours |
Circadian rhythm process | are biological processes that occur repeatedly on approximately 24 hour cycles (internal clock) |
Melatonin | the hormone secreted by the pineal gland which help promote sleep |