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Psychology Unit 2 . Brain and Consciousness . The Nervous System. What is the Nervous System?. Controls you emotions, movements, thinking and behavior 2 Parts  Central & Peripheral Central: t he brain & spinal cord Peripheral: Nerves branching out from spinal cord. Neurons.

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psychology unit 2

Psychology Unit 2

Brain and Consciousness

what is the nervous system
What is the Nervous System?
  • Controls you emotions, movements, thinking and behavior
  • 2 Parts Central & Peripheral
  • Central: the brain & spinal cord
  • Peripheral: Nerves branching out from spinal cord
neurons
Neurons
  • Cells of nerve tissue through which messages travel to and from the brain
  • Parts of the Neuron

Dendrite

 Cell Body

Synapse

Axon

the three brains
The Three Brains
  • Hindbrain
    • Voluntary movements
    • Reflexes
    • Produces important chemicals
  • Midbrain
    • Brings sensory info through the rest of the brain
  • Forebrain
    • Controls body reactions to temp, hunger, thirst, & sex
    • Emotions
    • Higher Thinking Processes
important parts of the brain
Important Parts of the Brain
  • Complete the Brain Quiz Study Guide
  • Check Answers
brain clips
Brain Clips
  • No Brainers?
  • http://www.youtube.com/watch?v=3teflb1QNN4
  • Brain Phenomenon
  • http://www.youtube.com/watch?v=TSu9HGnlMV0
are you right brained or left brained
Are You Right-Brained or Left-Brained?
  • Complete the Right-Brained or Left-Brained Worksheets
  • Class Discussion
metaphorical grab bag
Metaphorical Grab Bag
  • Count off by 6s
  • In your small groups, fill in the blanks with the item your group picked out of the bag:
  • A Brain is like a __________________(item that you picked out the bag) because _______________________________.
what is consciousness
What is Consciousness?
  • A state of awareness, including a person’s feelings, ideas, and perceptions
  • http://www.youtube.com/watch?v=qjfaoe847qQ
what are altered states of consciousness
What are Altered States of Consciousness?
  • Different levels of awareness
  • Example: Sleep
why sleep
Why Sleep?
  • Theories:
    • Restorative
    • Conserve Energy
    • Adaptive process
    • Clear minds
    • To Dream
stages of sleep
Stages of Sleep
  • Stage I: Lightest level of sleep
    • 10 min, eye rolling, twitching, “just drifting”
  • Stage II: Early sleep
    • Muscle relaxation, limited physical mobility
  • Stage III: Deeper sleep
stages of sleep1
Stages of Sleep
  • Stage IV: Deepest level of sleep
    • Important level, difficult to wake when in this stage, disorientation is awoken
  • REM sleep: Active sleep
    • Rapid eye movement, dreaming, every 90 min
how much sleep
How Much Sleep?
  • Human = 1/3 of lives sleeping
  • Amount Varies:
    • Newborns = 16 hours
    • 16 year olds = 10 -11 hours
    • 70 year olds = 5 hours
  • Internal Biological Clock
    • Light and dark patterns
    • Jetlag
sleep disorders chart
Sleep Disorders Chart
  • Complete the Sleep Disorders Chart for the rest of the period. Make sure to do front and back!
dreams
Dreams
  • Mental activity that takes place during sleep
  • Dream Content:
    • Often everyday activity in dreams
    • Large percent are negative/unpleasant
    • Nightmares
d j vu
Déjà vu
  • the having the strong feeling that an event currently being experienced was experienced in the past
  • Theory:
    • A distorted memory from a disconnect w/short & long-term memory
dream interpretation
Dream Interpretation
  • Sigmund Freud
    • Founding Father of psychoanalysis
    • Believed in solving problems through patient and psychologist dialogue
    • Unconscious: part of the mind we are unaware of, but strongly influences behavior
dream interpretation1
Dream Interpretation
  • Freud = dreams contained clues to thoughts we are afraid to acknowledge while awake
  • Indian tribes = dream spiritual world
  • Critics?
    • No purpose
    • Mental housecleaning
    • Problem-solving
dream mini project
Dream Mini-Project
  • Dream Diary
  • 3 DreamsDue Tuesday
  • Dream Interpretation on Tuesday
  • Final Project Due Wednesday!
hypnosis
Hypnosis
  • State of consciousness achieved by narrowed focus and heighted suggestibility
  • Make conscious things ppl are unaware of and unaware of things they usually noticeshifts your consciousness
  • Example
hypnosis1
Hypnosis
  • Involves persuading participates to relax and lose interest in the external
  • Can help reduce pain
  • Similar to a deep sleep
hypnosis example
Hypnosis Example
  • Can you hypnotize yourself?
    • Sometimes just thinking of an action can result in producing that actionif you can imagine that result clearly enough
  • Stretch your arms and follow my directions (p194)
biofeedback
Biofeedback
  • Learning how to control your internal physiological processes
    • Example: Heart Rate
meditation
Meditation
  • Focusing of attention to clear one’s mind and produce relaxation
  • 3 approaches
    • Transcendental
    • Mindfulness
    • Breath
meditation effects
Meditation Effects
  • Most people can benefit
    • Lower blood pressure
    • Heart rate
    • respiration rate
  • Critics
    • Same results as

simply sleeping

or relaxing

meditation example
Meditation Example
  • Find a comfortable

sitting position

  • http://www.youtube.com/user/okanokumo?v=BaMBQSsdnxo
  • Relax and Breath Deeply, Focus on “Being” instead of “Not Thinking”