OCR psychology paper 2

• What is the definition of REM SLEEP

  rapid eye movement sleep
• What is the brain activity like during REM sleep ?

  brain activity is high
• What is a sleep disorder ?

  Behaviours which affect the normal patterns of sleep
• What is sleep onset insomnia ?

  problems falling asleep
• What is sleep maintenance insomnia ?


  Problems staying asleep
• How many functions of sleep are there ?

  4
• What is the first function of sleep, Emotional stability , physical repair , healthy brain or slow wave sleep ?

  Healthy brain
• What is the 2nd function of sleep, Emotional stability , physical repair , healthy brain or slow wave sleep ?

  physical repair
• What is the 3rd function of sleep, Emotional stability , physical repair , healthy brain or slow wave sleep ?

  Slow wave sleep
• What is the fourth function of sleep, Emotional stability , physical repair , healthy brain or slow wave sleep ?

  Emotional stability
• What is an endogenous pacemaker ?


  Internal body clock that manages bodily rhythms
• What is an exogenous zeitgeber ?


  Features of the environment either physical or social- that help to manage bodily rhythms
• How many stages of the sleep cycle are there ?

  5
• What is the 5th stage of the sleep cycle ?


  REM sleep
• What is a healthy brain ?


  A brain that functions normally
• What is physical repair ?


  Returning the body to a normal, healthy state
• What is slow wave sleep ?


  A deep type of sleep where the brain activity is slow
• What is emotional stability ?


  Feeling slow or normal and psychologically healthy
• What is the hypothalamus?


  A part of the brain that controls a number of key bodily functions
• What is the suprachiasmatic nucleus ?


  A part of the brain that regulates the circadian (24 hour) rhythms
• What is melatonin ?


  A hormone released in the brain that’s responsible for regulating sleep
• What’s the pineal gland ?


  A gland found in the brain which produces melaronin
• What is the Freudian theory of sleep ?


  A theory that looks at behaviour as a product of the dynamics of different parts of the personality
• What is the unconscious mind ?


  The part of the brain that people are not aware of