(mostly sleep and dreams) Part 1/2 When you dont sleep When you - PowerPoint PPT Presentation

Apr 20, 2023 •325 likes •475 views

(mostly sleep and dreams) Part 1/2 When you dont sleep When you dont sleep Your attention gets worse When you dont sleep Your driving gets worse When you dont sleep you die Electroencephalography (EEG) Awake and

(mostly sleep and dreams) Part 1/2
When you don’t sleep… When you don’t sleep… Your attention gets worse
When you don’t sleep… Your driving gets worse When you don’t sleep… you die
Electroencephalography (EEG) Awake and attentive low amplitude, fast, irregular beta waves 1 second Beta waves Awake but non-attentive large, regular alpha waves 1 second Alpha waves Sleep stage #1 brief transition when first falling asleep 1 second Theta waves Sleep stages #2-4 “slow-wave” sleep 1 second Delta waves
A “mystery” of psychology: Nobody knows why we sleep A “mystery” of psychology: Nobody knows why we sleep
(mostly sleep and dreams) Up next: Part 2/2 (mostly sleep and dreams) Part 2/2
What do we dream about?
most dreams are bad men have more aggressive dreams than women people in tribal societies have more aggressive dreams than people in industrialized societies Americans have more aggressive dreams than Europeans What do we want to dream about? Women: Romance and adventure Men: Sex with strangers ~10% of dreams are actually sexual What is the most common dream? Being naked? Flying? Falling?
Why do we dream? AKA: Rats dream of running mazes
Do we really know the contents of our dreams? Do you dream in color? A. Yes B. No
Tapia et al. (1953): 9% of people report dreaming in color! Dreams have color! Aristotle Epicurus Descartes
Options the color of dreams has changed over time people were lying we don’t really know what our own dreams are like! Dreams are still a mystery Dreams are still a mystery

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