Ultradian Rhythms - Sleep Disorder - Lecture Slides, Slides of Psychology

Download Ultradian Rhythms - Sleep Disorder - Lecture Slides and more Slides Psychology in PDF only on Docsity! Ultradian Rhythms - Sleep Cycle BATs A01 -Identify and describe the different stages of sleep (E) Explain how sleep is monitored (C) A02 - Evaluate research into the sleep cycle and BRAC (B) A02/3 Identify and use synoptic points relating to research into the sleep cycle Starter What does REM stand for? Docsity.com • List 2 differences between Circadian and Infradian Rhythms ovulation LH FSH H orm one Levels Docsity.com Thanks to Eric H Chudler, University of Washington, Seattle USA The Stages of Sleep 1-4 = NREM Stage 1 & 2 – relaxed state, easily woken, heart rate slows, temperature drops Stages 3 & 4 – Slow Wave Sleep (SWS), Metabolic rate slows, growth hormone released REM sleep – paradoxical sleep – brain and eyes active, but body paralysed. Docsity.com Electroencephalograph (EEG) in operation The stages of sleep as shown on an EEG Docsity.com Awake A 1 2 3 4 R C Docsity.com Stage 3 A 1 2 3 4 R C Docsity.com Stage 4 A 1 2 3 4 R C Docsity.com REM Sleep A 1 2 3 4 R C Docsity.com MRI scan, showing brain activity during different stages of sleep Docsity.com Lets get creative!!! • Use your work booklet and the text book to create a poster, fact sheet (or slideshow if you have a lap top!!!) to explain the sleep cycle to your family and friends. • Include - how sleep is monitored (EEG, EOG e,t,c) and the characteristics of the different stages. 16 Docsity.com Evaluating the Research • The main focus of this relates to whether the BRAC exists and whether REM is the only part of the sleep cycle that we dream • P4 and 5 give evidence for and against these points • What synoptic points could you use? • monitoring using EEG e.t.c and now fMRI give concrete evidence and are reliable • reductionism, determinism • real world applications e.t.c 17 Docsity.com