Altered States: Crash Course Psychology #10

Recent questions

• What is hypnosis and how does it work?

  Hypnosis is an altered state of consciousness where individuals are fully conscious but not in a normal waking state. It has been around for centuries and was popularized in the 18th century by Franz Mesmer. Mesmer claimed to align patients' "internal magnetic forces" through hypnosis, but the healing power actually came from suggestion. Only about 20% of people are highly hypnotizable, making them more open to suggestion. Hypnosis can be used effectively in treating stress, anxiety, weight loss, and chronic pain, but individuals do not lose control over their behavior. It is not a reliable method for enhancing memory recall or making individuals act against their will. Hypnosis may work through social influence or a dual-processing state called dissociation.

• What are the effects of psychoactive drugs?

  Psychoactive drugs alter mood and perception by mimicking neurotransmitter functions and tapping into psychological expectations. Depressants like alcohol, tranquilizers, and opiates slow body functions and suppress neural activity. Stimulants like caffeine, nicotine, and amphetamines excite neural activity, while hallucinogens distort perceptions and evoke sensory images. These drugs can have various effects on the brain and body, influencing behavior and emotions based on their specific mechanisms of action.

• Can hypnosis be used to treat certain conditions?

  Yes, hypnosis can be used effectively in treating stress, anxiety, weight loss, and chronic pain. It is a practice that has been utilized for therapeutic purposes, with some individuals being more receptive to its effects than others. While hypnosis does not involve individuals losing control over their behavior, it can help in managing certain conditions by leveraging the power of suggestion and altering consciousness to promote relaxation and mental well-being.

• How do psychoactive drugs affect neural activity?

  Psychoactive drugs have varying effects on neural activity based on their classification. Depressants like alcohol, tranquilizers, and opiates slow down body functions and suppress neural activity, leading to relaxation and sedation. Stimulants like caffeine, nicotine, and amphetamines excite neural activity, increasing alertness and energy levels. Hallucinogens distort perceptions and evoke sensory images by altering the way the brain processes information, resulting in vivid and sometimes unpredictable experiences.

• Is hypnosis a reliable method for memory enhancement?

  Hypnosis is not a reliable method for enhancing memory recall. While it can be effective in treating certain conditions like stress and anxiety, its ability to improve memory function is limited. Individuals under hypnosis may be more susceptible to suggestion, but this does not guarantee enhanced memory retention or accuracy. The practice of hypnosis is better suited for therapeutic purposes rather than memory enhancement or manipulation.