BU352 Chapter Notes - Chapter 5: Psilocybin, Suggestibility, Hallucinogen
Document Summary
Consciousness- the awareness of internal and external stimuli; personal awareness. Stream of consciousness- the idea that the contents of your consciousness are continually changing. Sigmund freud: believed in the unconscious, but examined what was beneath this stream conscious and unconscious processes are different levels of awareness conscious is not an all-or-none phenomenon. Electroencephalograph (eeg)- a device that monitors the electrical activity of the brain over time by means of recording electrodes attached to the surface of the scalp amplitude: height frequency: cycles per second. Eeg patterns associated with states of consciousness beta (b ): normal waking thought; alert problem solving alpha (a theta (q ): light sleep delta (d. Circadian rhythms- the 24 hour biological cycles found in humans and many other species influences the cycle of sleep and wakefulness. When exposed to light, receptors send a signal to the suprachiasmatic nucleus (snc) located in light retina snc pineal gland (secretes melatonin) Melatonin- a hormone that adjusts biological clocks.
