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 Cells of nerve tissue through which
messages travel to and from the brain Parts of the Neuron
Axon
Dendrite
Cell Body
Synapse
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
Brain Clips
No Brainers? http://www.youtube.com/watch?v=3tefl
b1QNN4
Brain Phenomenon http://www.youtube.com/watch?v=TSu
9HGnlMV0
Are You Right-Brained or Left-Brained?
Complete the Right-Brained or Left-Brained Worksheets
Class Discussion
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? A state of awareness, including a
person’s feelings, ideas, and perceptions
http://www.youtube.com/watch?v=qjfaoe847qQ
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 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? 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
Complete the Sleep Disorders Chart for the rest of the period. Make sure to do front and back!
Dreams
Mental activity that takes place during sleep
Dream Content:› Often everyday activity in dreams› Large percent are negative/unpleasant› Nightmares
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 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 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 Diary
3 DreamsDue Tuesday
Dream Interpretation on Tuesday
Final Project Due Wednesday!
Hypnosis
State of consciousness achieved by narrowed focus and heighted suggestibility
Make conscious things ppl are unaware of and unaware of things they usually noticeshifts your consciousness
Example
Hypnosis
Involves persuading participates to relax and lose interest in the external
Can help reduce pain
Similar to a deep sleep
Hypnosis Example
Can you hypnotize yourself?› Sometimes just thinking of an
action can result in producing that actionif you can imagine that result clearly enough
Stretch your arms and follow my directions (p194)
Meditation
Focusing of attention to clear one’s mind and produce relaxation
3 approaches› Transcendental› Mindfulness› Breath
Meditation Effects Most people can benefit
› Lower blood pressure› Heart rate› respiration rate
Critics› Same results as
simply sleeping or relaxing
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”