PSYO 111 Final: Final Exam - Fall 2017

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Document Summary

Produces temporarily altered patterns of brain activity. Fmri: low levels of activation in the posterior superior parietal lobe. Associated with judging physical space and orientation within space. Experience of immersion and a loss of self. Altered state of consciousness : a form of experience that departs significantly from the normal subjective experience of the world and the mind. Psychoactive drugs : chemicals that influence consciousness or behavior by altering the brain"s chemical message system. Historically people seek altered states of consciousness by dancing, fasting, chanting, meditating, and ingesting chemicals, despite negative consequences. Once a tolerance is built to a substance, larger doses are needed to produce the desired effect. The effects of the drug become markedly less if the usual amount is taken. Initially the drug produces an intense high and may also cause emotional depression as the drug wears off. The user may conclude that the drug is harmless. With repeated use, a craving and tolerance develop simultaneously.