Unit 4: States of Consciousness Guided Notes Define “consciousness”: Waking consciousness encompasses our thoughts, feelings and perceptions that occure when we are awake and alert. Altered States of Consciousness are mental states that significantly differ from normal waking consciousness. They include: - - Naturally occurring states: o ______________________ o ______________________ o ______________________ ___________ occurring states: o ______________________ o ______________________ o ____________________________ While the study of consciousness had been dismissed years ago, the advent of ___________________ gave birth to the field of cognitive neuroscience. Dual processing describes how we have __________ tracks of consciousness: • “Top track”: _____________________ • “Bottom track”: _______________________ Give an example of how these “tracks” can work together: Give an example of how these “tracks” can interfere: Part 1: Waking Consciousness Define Selective Attention: Describe the video you saw with the basketball players: “Inattention blindness” refers to the stimuli in your environment that you are missing when you selectively attend to something else. When you are selectively attending to the sound of my voice, you are “missing”: Change blindness: Ex: Choice blindness: Ex: Sometimes stimuli in our environment that we are inattentionally blind to demand our attention. Examples: Yo ______! Cocktail Party Phenomenon: Popout: Part Two: Altered States of Consciousness Define “daydreaming”: It naturally occurs every ______________ minutes, peaking _________________________________. Do you think daydreams are helpful or hurtful? Why does TV increase daydreaming and reduce creativity?: Sleep: Why do we do it? 1. ______________________________________________________________________________ 2. _____________________________________________________________________________ 3. _____________________________________________________________________________ 4. _____________________________________________________________________________ 5. ______________________________________________________________________________ Guided Notes #2: Consciousness (cont.) Sleep Deprivation: - How many hours of sleep do teenagers need per night? ________ What time is melatonin released for teenagers? __________ What are some of the side effects of sleep deprivation?: - Using the information from above, explain why starting the school day later might could increase student performance and satisfaction: Circadian Rhythm (def): - Naturally, humans are programmed to be awake when the sun is out and be asleep when it is dark. What is the scientific explanation for this? - Give an example of how your circadian rhythm can be disrupted: (i.e. jet lag, artificial light) Sleep: Every _________ minutes, we cycle through five stages of sleep. • Stage 1 Sleep: ______________________________________________________________________________ _____________________________________________________________________________. • Stage 2 Sleep: deeper sleep, more difficult to awaken • Stage 3 Sleep: even deeper sleep, difficult to awaken • Stage 4 Sleep: ______________________________________________________________________________ ______________________________________________________________________________. • REM: ______________________________________________________________________________ ______________________________________________________________________________. • Paradoxical sleep: • Brain waves during REM look most like brain waves we have__________________. Amount of Sleep Per Stage as Night Progresses As the night progresses, we experience less Stage ___ sleep and more _________ sleep. When do not experience enough REM sleep, we experience REM __________. This might indicate that it is the most important stage of sleep, as our body adjusts so that we can experience more of it if we are deprived. Amount of Sleep Per Stage as Age Progresses As we age, we spend _______ time asleep. We experience less REM sleep and spend almost no time in ________sleep. This may explain why children are far more prone to experience stage four sleep disorders than adults. Guided Notes #3: Sleep Disorders 1. Insomnia: Characterized by: ______________________________________________________________ _____________________________________________________________________________. Affects who?: _____________________. Known causes?: ____________________________________. Treatments? ____________________________________________________________________. 2. Narcolepsy: Characterized by: ______________________________________________________________ _____________________________________________________________________________. Affects who?: _____________________. Known causes?: ____________________________________. Treatments? ____________________________________________________________________. 3. Apnea: Characterized by: ______________________________________________________________ _____________________________________________________________________________. Affects who?: _____________________. Known causes?: ____________________________________. Treatments? ____________________________________________________________________. 4. Night Terrors: Characterized by: ______________________________________________________________ _____________________________________________________________________________. Affects who?: _____________________. Known causes?: ____________________________________. Treatments? ____________________________________________________________________. 5. Somnambulism: Characterized by: ______________________________________________________________ _____________________________________________________________________________. Affects who?: _____________________. Known causes?: ____________________________________. Treatments? ____________________________________________________________________. Dreaming! We dream approximately __________ times per night. This equates to about __________ years of dreaming throughout a lifetime! The actual story line of your dream is called the ______________ content. According to Freud, the underlying meaning of that content is called the ______________ content. Example: If you are dreaming that an enormous tsunami is rapidly approaching shore and you are running away, the latent content is: It is possible for real sensory stimulation to enter our dreams? _______ Example?: Dream Theories: For each, write the explained cause of dreams, as well as their meanings. 1. Freud’s Wish Fulfillment: Cause: Meaning: Strengths/weaknesses?: 2. Information Processing/Cognitive Development Cause: Meaning: Strengths/weaknesses?: 3. Activation Synthesis Cause: Meaning: Strengths/weaknesses?: 4. Physiological Functioning Cause: Meaning: Strengths/weaknesses?: Explain Lucid Dreaming: Do we need to dream (do we need REM sleep)?: Hypnosis is defined as: What is the origin of “hypnotism”? What influences one’s ability to be hypnotized? What is hypnotism used for? 1. Access memories: 2. Therapy: a. Posthypnotic suggestions: b. Posthypnotic amnesia: c. Hypnotherapy: 3. Pain management: 4. Fun: Meditation: Defined as: Concentration Meditation: 1. Zen: 2. Transcendental: 3. Sufi: All methods attempt to suppress ___________________________ activity. Describe the meditation that we engaged in during class. Did you find it to be helpful in terms of relaxing? Drugs Define the following concepts: • Psychoactive drugs : • Ex: • Recreational Use • Drug Abuse – pattern of use that diminishes __________________________________________ _____________________________________________________________________________. Tolerance refers to a person’s __________________________________________________________, requiring ___________________________________________________________________________. Reverse Tolerance- _________________________________________________________________ Ex: Withdrawal: the unpleasant physiological symptoms (_________________________________) that follow discontinued use may occur, indicating that ____________________________has occurred Psychological dependence may also prompt the individual to continue using the drug Ex: Addiction results when continued use is necessary to prevent __________________________________. Seven signs of dependence. Circle the signs that Jayden has been demonstrating: 1. Developing a tolerance 2. Experiencing withdrawal 3. Using substance for a longer period or in greater quantities than intended 4. Presence of a desire or repeated attempts to cut back on use 5. Spending a lot of time using/obtaining the substance 6. Reduction or cessation of usual activities 7. Continued use despite awareness of drug’s harmful effects Depressants: (aka Sedative-Hypnotic Drugs) • _______________the functioning of the CNS, reduce neural activity and slow body functions • Withdrawal: tremors, nausea, sweating, restlessness, irritability, anxiety, possibly death (stroke, heart attack)….Why??? ___________________________________________________________________________ __________________________________________________________________________. • Long term: _______________________ Depressant #1: Alcohol Increases _______________, __________________, and __________________ causing: o mild euphoria, relaxation, lowered ____________________ (misperceived as stimulant) o Slowed _________________________________ , such as: o Perception, motor processes, judgment, visual acuity, cognitive functioning are impaired Memory disruption, which contributes to _____________________. Behavioral tolerance refers to _____________________________________________________. Highly ________________ and _______________________ ___________________ Americans abuse alcohol (NIAAA), or _____ % of population Men are 3x more likely to become alcoholics than women Women who use alcohol during pregnancy risk their child being born with ________________. Depressant #2: Barbituates • Sleeping pills and Tranquilizers o Bind to ______________(inh.) receptors and block ___________________ (Exc.) o Calming, sedative effect – reduce inhibitions o e.g. Nembutal (Exorcism of Emily Rose) Depressant #3: Benzodiazepine • Like Barbiturates, they enhance the effects of _____________ (inhibitory neurotransmitter) • Used to treat __________________________________________________________________ ____________________________________________________________________________ • Tolerance and physical dependence result after time • Ex: Diazepam (Valium), Lorazepam, Xanax Depressant #4: Propofol • Increases effects of _____________ • Blocks Sodium Channel (Think back to neural firing!) • Short term: mild euphoria, hallucinations, and disinhibition; Used as __________ for anesthesia Case study: Michael Jackson Conclusion • What are some reasons for why people use depressants? • How do they work? (Mechanisms and effects) • Why are they so dangerous? Stimulants Stimulants_______________ central nervous system activity and speed up body functions; arousal response Methamphetamine Methamphetamine (____________) Euphoria, triggers release of ____________ May cause: ______________________________________________________________ HIGHLY addictive Nicotine Triggers __________________________________release (similar to effects of adrenaline) Suppresses ___________and increases __________________ Stimulates release of _________________: highly addictive! Withdrawal leads to insomnia, anxiety, irritability and weight gain Correlation w/ ____________, __________________, and _____________________ Caffeine Blocks adenosine, a chemical that inhibits neural firing Result: _________________, increased ____________________ (3-4 hours) Withdrawal leads to fatigue and headaches Cocaine Fast euphoria – fast crash Blocks __________________reuptake (pleasure) HIGHLY addictive Withdrawal leads to fatigue, irritability, increased appetite, depression Ecstasy (MDMA) Stimulant and mild __________________ Triggers release of _______________ and prevents its reabsorption Destroys serotonin-producing _______________ – permanent depression Also suppresses immune system Hallucinogens Definition: Drugs that alter _______________________and distort __________________ and _____________________. Hallucinogens typically share the following properties: 1. 2. 3. 4. Exact mechanisms are still unknown, but likely affect certain neurotransmitter pathways (i.e. serotonin) Many are derived from plants (i.e. fungi, mushrooms) and contain nitrogen. LSD (lysergic acid diethylamide) How was LSD discovered and by whom?: ___________________________________________________ ____________________________________________________________________________________. The first intentional trip happened on April 19, 1943. The day is known as _________________________. Results: ______________________________________________________________________________ ___________________________________________________________________________________. Non-addictive, but can produce “bad trips” and flashbacks Can result in: _______________, _______________, _________________, panic attacks, nightmares and aggression Marijuana THC, the active ingredient in marijuana, produces symptoms such as: PCP Most common side effects: 1. Loss of touch with _____________________ 2. Insensitivity to pain; ______________________ Potential long-term risk of hallucinogens is HPPD: ________________ Persisting ___________________Disorder- Defined as: Ex: ________________ Narcotics Used to _____________________ and induce sleep – also called _________________ Examples: ______________________________________; Oxycodone (brand name Oxycontin) Stimulate _________________________ receptors to produce euphoric numbness Highly addictive!!!! Intense withdrawal symptoms prompt relapse and contributes to dependence Withdrawal symptoms include _________________________________________________________. View the table below. Which drugs are the most dangerous and why? Based on the other graphs you have seen, briefly summarize the trends of illicit drug use, alcohol abuse, and nicotine use among the population. List the factors that contribute to drug use and abuse. How can drug abuse be reduced among adolescents?