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Benefits of a good night sleep, growth, immune response, as relay stations…
Benefits of a good night sleep
occupies 1/3 of lives
people -> little attention, care
misunderstanding
lost time
a way to rest when work is done
critical function
body balances, regulate vital system
affect to respiration
regulating everything from circulation
crucial for brain
1/5 body's circulatory blood -> channeled as sleep
intensely active period of restructuring
crucial for memory work
19th century study
normally forget 40% of new material => the first 20 mins
known as forgetting curve
prevent through memory consolidation
information move short-term -> long-term
Hippocampus
demonstrated by 1950s study
patient: H.M
hippocampus removed
ability form new short-term, long-term memories => damaged
able to learn physical task through repetition
Hippocampus => involve in consolidation long-term declarative memory
consolidation process works
data recorded in short-term
travels to hippocampus
strengthens, enhances the neurons in cortical area
new synaptic form -> connection between neurons
Sleep
compose of 4 stages
electrical impulses move between
brainstem
hippocampus
thalamus
cortex
consolidate different type of memory
non-REM slow-wave sleep
declarative memory -> encoded into temporary store
in the anterior part of hippocampus
dialogue between cortex, hippocampus
repeatedly reactivated -> redistribution to long-term storage
REM
waking brain activity
associated -> consolidation of procedural mem
way
3 hours after memorizing formulas
1 hours after practice scales
retain all knowledge, practice from previous night
growth, immune response
as relay stations of memory information