Psyc 4130 1nd Edition Lecture 15 Outline of Last Lecture I This is first lecture of new test material Outline of Current Lecture II Altered Consciousness III Sleep a Field Potentials IV Desynchronous Brain Activity a Beta waves b Alpha waves V Stages of Sleep a 1 2 b 3 4 c 5 VI Focus Pointers Current Lecture Altered Consciousness Normal o Test in afternoon more awake now o Are you stressed o Did you meditate this morning o Overall continuum especially from person to person and developmentally o Meaning some notion that they it is aware o Metacognition know that you don t know a higher level math than calculus Ability to evaluate and guide behaviors demonstrated in rates o Theory of mind kid thinks there is marbles coins in jar examples Sleep What o Pattern of activity neutrally distinct recurrent diurnal animals up with sun dark go to bed Field Potentials o Neocortical neurons how their acting electrically at one period of time o Is cortical activity more in synch when you re awake NO beta waves These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Desynchronous Brain Activity Beta Waves o Highest frequency waves are BETA WAVES lowest in amplitude importance is frequency o Range 13 30 Hz o Parietally and frontally Alpha Waves o Awake and relaxed not thinking too hard about any one thing o Frequency decreasing wavelength increasing o Amplitude goes up a little bit waves are larger o 8 13 Hz o Occipitally Stages Of Sleep 1 2 o Light sleep o Theta activity waves indicate increasing synchrony o Prevalent in childhood ADHD o 3 5 7 99 Hz o Stage 1 is Transitional S may alternately open and close eyes Eyes may roll up and down in orbits Stage 2 S2 normally ensues in about 10 mins o Stage 2 Sleep Transition may be accompanied by myoclonus Followed by deep muscle relaxation known as flaccid paralysis Sleep spindles and K complexes appear SS spontaneously 5 min S1 S4 o Short bursts K complexes 3 4 o Deep sleep aka slow wave sleep o Delta activity o Stage 3 Pituitary gland is going to releases highest bursts of growth hormone into bloodstream helps or prevents you from getting into deep sleep Melatonin increases growth hormone response Subject may deny having been asleep if awakened prior to S3 Muttering snoring 5 o R E M Sleep Paradoxical Sleep o Mainly theta activity then moves to beta o All based upon EEG data o Fun fact dolphins dream with half their brain Focus Pointers EEG waveforms stages o Esp 1 Hz delta REM the Brain Narcolepsy vs REM Behavior Disorder
View Full Document
Unlocking...