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Psyc 115, Week 7 of Notes

by: Ny Pham

Psyc 115, Week 7 of Notes PSyc 115

Ny Pham
University of Louisiana at Lafayette

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About this Document

Notes on consciousness, dream theories, and drugs
Honors: General Psychology
Ms. Mary Stegall
Class Notes
Psychology, General Psychology, consciousness, Drugs, psych 115, PSYC 115
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This 6 page Class Notes was uploaded by Ny Pham on Sunday March 6, 2016. The Class Notes belongs to PSyc 115 at University of Louisiana at Lafayette taught by Ms. Mary Stegall in Winter 2016. Since its upload, it has received 40 views. For similar materials see Honors: General Psychology in Psychlogy at University of Louisiana at Lafayette.

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Date Created: 03/06/16
Consciousness Notes  (Sleep, Dreams, and Drugs)  Consciousness = awareness o It is a spectrum o o We often go from dormant to alert throughout the day  Attention= capacity to collectively focus awareness  Multitasking Sleep and Dreams  Biological and Environmental Clocks o Environmental clocks—like going into a room without windows for a while  EEG – brain waves; important to sleep research; measure brain activity o Awake – Beta waves        Awake and Drowsy – Alpha waves *Sleep Stages (first four are NonREM)          *Figure 4.3     p. 142 1)  light sleep; slowing down of heartbeat, irregular breathing, relaxing muscles (hypnic  jerk); small irregular waves 2)  body temperature drops; sleep spindles (short bursts of brain wave activity) and k  complexes (single but large high voltage spike) 3) delta waves begin (large and slow); moving to deeper sleep 4)  deep sleep; pure delta waves   REM – rapid eye movement; dreams occur here; facilitates brain development in infants,  memory, and emotional processing.   There are four to five ninety minute cycles a night.  The  duration of REM lengthens as the night goes on.   ­ Sleep patterns change over the lifespan. ­ Why Sleep? Cognitive decline, possible linkage to alzheimers, etc. when you don’t get enough  seek (more than 7­8 hours) Sleep Deprivation and REM Rebound  REM Rebound—when you deprive yourself of sleep and then go into sleep, youll go into  REM faster and stay their longer Dream Theories 1) Psychodynamic Theory – Freud; repressed and taboo desires are expressed as wish  fulfillment; symbols.; a lot about sex, aggression, parents, kids, etc.    Manifest Content  vs. Latent Content a. Manifest content—what you remember from your dream b. Latent content—what you don’t remember from your dream 2) Activation – Synthesis Model – during REM, the brain is activated.  Motor commands  are blocked form reaching the body so the brain takes elements of memory and creates a  dream. 3) Neurocognitive Model – dreams reflect interests and concerns in a manner similar to   waking thought processes.; you’re kinda awake? Sleep Disorders  (DSM5 – Diagnostic and Statistical Manual – Fifth Edition)  Insomnia – difficulty sleeping or staying asleep; most common sleep complaint.  Sleep Apnea – stop breathing during sleep through the night (20 seconds to 2 minutes);  snoring is not the same as sleep apnea, but in some cases snoring followed by a period of  not breathing is a sign; some people suggest that Sudden Infant Death Syndrome is  caused by sleep apnea  Narcolepsy – excessive daytime sleepiness and sleep attacks.  May also have cataplexy  (sudden loss of voluntary muscle control); they go directly into REM o Cataplexy—loss of voluntary muscle control  Parasomnias  (involve arousal during sleep or sleep transitions) o Night or Sleep Terror – blind panic experience; takes place during NREM; not a  bad dream, bad dreams happen during REM o Somnabulism – sleepwalking; some people think that sleepwalking is acting out  your dreams, but it happens during NREM o Related Eating Disorder—“sleepeating” o Sleepsex—having sex and not remembering Drugs Terms  Psychoactive Drug States – chemical that affects mental processes and behavior by its effects on the brain.  EX:  cocaine, heroin, and amphetamines hit pleasure/reward circuits o Sugar also hits your pleasure circuits o Chocolate hits the same pleasure circuits as marijuana  Physical Dependence  Drug Tolerance  Withdrawal Drug Categories 1) Hallucinogens/Psychedelics ­ hallucinations = target serotonin receptors LSD(acid) and PCP (angel dust) are synthetic drugs, made in chemical labs. Unpredictable and dissociated thoughts. Cannabis (THC­tetrahydrocannabinol) – from hemp plant.  Flowers = marijuana. Small dose of THC = mild pleasure; high doses = hallucinogens.  Pain relief for chemo and reduces eye pressure from glaucoma.  Psychologically addictive. Ketamine – veterinary anesthetic; typically given to cats to calm them to clean their teeth 2) Opiates – from opium. Suppress physical sensations.  Pain relief (analgesic).  Morphine Heroin – strong pleasurable feelings; no changes in cognition. Codeine, Oxycontin, Vicodin, Percodan, Demerol.  Natural opiates= endorphins 3) Depressants and Anti Anxiety Drugs – reduce CNS activity Barbiturates – sedative = increased sleep but lower REM.  Problem:  accidental overdose. Benzodiazapines – anti anxiety.  EX: valium, Xanax Rohypnol – roofies; date rape drug Alcohol   –   depressant;   social   stimulant;   slowing   reactions.     Fetal   alcohol syndrome.  Is alcoholism genetic or learned? Binge drinking – 4 or more drinks in two hours. 4) Stimulants – increase CNS activity.  Used for ADHD and narcolepsy. Amphetamines/Methamphetamines – speed MDMA and Cocaine – pleasure, confidence, euphoria. Nicotine – lots of health issues = leading cause of preventable disease Caffeine – highest doses increase anxiety feeling. 5) Inhalants—painting your nails with white out, a can of pam sprayed in a ziplock bag, whip cream can, etc.; this is primarily a problem with middle school kids 6) Prescription drugs  – sharing drugs with other people that aren’t prescribed that; drugs can interact with other things    a. Ex. reactions:  antibiotics and birth control, drinking and prescription drugs


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