Psychology 1000 Lecture Notes - Lecture 16: Reticular Formation, Sleep Deprivation, Basal Forebrain

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: L. Fazakas-Dehoog

Document Summary

Hypnogenic system is activated (basal forebrain and brain stem) Pons is critical for rem sleep as it contains. sleep-on neurons that activate different regions that control rem sleep. Serotonin, dopamine and norepinephrine have an important role in arousal. Poorer performance and underestimated the effects of sleep deprivation on their performance. People with insomnia are more tense and worried (about sleeping) Genetic, psychological, and environmental factors contribute to insomnia. Reflective gasping for air because indiviual stops breathing. Loss of muscle tone that usually accomapnies rem sleep is absent. Individual has blank stare, vaguely responsive to surroundings, have no recollection in morning. 6% of children, 1-2% in adults (night terrors diminish with age) Sleep helps animals to restore energy/other bodily resources. Immobilization during sleep is adaptive because it reduces danger. When combined with hypothesis 1 - called 2 factor hypothesis of sleep. Sleep is essential for mental functioning and creating new memories.