Psychology 1000 Lecture 15: Nov 13: Consciousness

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Atkinson

Document Summary

The marmoset has single large eye located 60mm from the nose. Peak levels in late afternoon (best time for physical tasks, cognitive too) Suprachiasmatic nucleus: below thalamus a little bit, quite close to the pituitary gland. It is the internal timing mechanism in hypothalamus. Daylight stimulates the scn which inhibits production of melatonin in pineal gland (there are some glanglion cells that photosensitive, melanopsin in blue light). Darkness removes the inhibition, resulting in more melatoninwe feel tired. Phase advance more difficult than phase delay, for example: flying vancouver to halifax more problematic than east to west. Jury still out: seems safe more effective for delay (delay jetlag than the prior jetlag), probably works by relieving daytime fatigue. Awareness of the relationship between self and the external world. Preconscious level: information not currently available but could be (cocktail party effect) Subconscious level: information not accessible (there, but you cannot get it whatsoever),