BRAIN AND NERVOUS SYSTEM

You will learn

The main sections of the brain, where they are and their functions

The brain can change it “rewires” itself

Healthy habits for the brain, diet is key!

FUN FACTS

Average brain is 3 pounds

2% of body weight, yet uses 20% of oxygen supply and gets 20% blood flow.

If deprived of oxygen for 3 to 5 minutes brain cells die. After 8 minutes irreversible brain damage occurs.

Label:

http://www.youtube.com/watch?v=FZ3401XVYww

http://www.youtube.com/watch?v=FR4S1BqdFG4&NR=1&feature=endscreen

http://www.youtube.com/watch?v=p5zFgT4aofA

(neurons)

Neurotransmission http://www.youtube.com/watch?v=JP

7EQ6e5d1c(how caffeine works)

Types of Neurons (Text Pg.279) Sensory Neurons – environmental

information collected by sense organs

Interneurons – Located in the Brain & Spinal Cord, collect impulses from and send impulses to your body

Motor Neurons – send nerve impulses to muscles and glands

Neurotransmitters

Dopamine: Pleasure and Reward

Serotonin: Mood, Sleep, Perception & Apetite

Acetylcholine: Muscle Contraction

GABA: Motor Control

Glutamate: Learning and Memory

Brain Stem –Breathing and blood pressure

Limbic System -emotion, behavior, long term memory. (Animal part of brain)

Limbic System inside the brain

Frontal lobe - reasoning, planning, parts of speech and problem solving. (All decisions are made here)

Occipital lobe - Concerned with many aspects of vision

Parietal lobe- perception of stimuli related to touch, pressure, temperature, and pain.

Temporal lobe - recognition and stimulation of auditory stimuli (hearing) and memory (hippocampus)

Cerebellum

Cerebellum-coordination, smooth movements of the skeletal system.

Concussion: Concussion 101

Brain Plasticity

Ben Underwood

Google Fun Facts About the Brain with 3 others

List 5 Crazy Facts about the Brain - be prepared to share your findings?