Summary: Sleep & Arousal
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6 Sleep Deprivation
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2 methods discovering the function of sleep
- comparative method- studies of sleep deprivation -
7 Dreams
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Cognitive/Neurocognitive theory
Dreaming is the result of a number of factors: Mature brain, disconnection from the environment, and no self-reflection
function of dreams: none -
Activation, input, modulation (AIM)
Subjective changes in consciousness are determined by:
- Activation (A)
- Input-Ouput gating (I)
- Modulation (M)function of dreams: possible creative -
Contributions psychodynamic theory
* making dreams a topic of interest
* recognize that dreams play an important function
* dream content contains information relevant to the dreamer -
Contributions cognitive theories
* comparison of research finding
* frequency of dream elements
* cross cultural research
* incorporate neurodevelopmental/physiological data into a theory of dreaming -
three processes are necessary for dreaming
* mental imagery
* ability to organize experience in narrative form
* ability to create and maintain an autobiographical self -
Contribitions from neuroscience theories
* possible structures necessary for dreaming
* provides working models -
simalirites between waking and dreaming
* As if we're perceiving through our senses
* Development of visual imagery systems (Dreaming is a gradual cogntive ability that occurs in paralel with the development of visual imagination)
* lesion studies -
8 Insomnia and narcolepsy
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Adjustment sleep disorder
Temporary sleep disturbance related to acute stress, conflict or enviornmental change causing emotional arousal -
Insomnia due to mental disorder
* Psychoses (insomnia is common)
* Mood disorders (Insomnia is most prevalent)
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