Transcript Parachute Brain Waves PowerPoint Presentation

Welcome to
Brain Waves!!
Questions?
What is the most
important part of your
body?
Your Brain!
We are going to talk about...
• The importance of the brain
• What the brain does
• How the brain works
• Why it is so important to protect the brain
• How to protect the brain
Cells
Q: What is a cell?
A: Building blocks to our body
The human brain is made of specialized cells
called neurons
Q: Guess how many neuron cells there are in our
brain?
A: 100 billion neurons
The
Neuron
The brain is like a big message center !
•Messages are sent and received in the brain all the time
•Neurons send and receive messages telling us how we think,
move, and feel
•Neurons DO NOT grow back if they are injured
The
Neuron
Neurons are different from other cells in our body because
they have specialized branches
Axon: Sends
messages to other
neurons
Axon
The
Neuron
Neurons are different from other cells in our body because
they have specialized branches
Dendrite: Receives
messages from other
neurons
Dendrites
Activity Time!
Anatomy
The
Brain
Q:
Why is the brain so
important?
A: It controls our ability to think,
move, see, hear, taste, and smell.
Q:
How much do you think
your brain weighs?
A: 2 ½ to 3 lbs
The Lobes of the Brain
The brain has 4 important lobes:
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Frontal Lobe
Parietal Lobe
Temporal Lobe
Occipital Lobe
The
Frontal Lobe
Temporal Lobe
Lobes
Parietal Lobe
Occipital Lobe
Cerebellum
• An important part of the brain but not one of
the lobes.
Cerebellum
Question
Q: What happens when we damage
our lobes?
A: Life would just not be the same!
What lobe could be damaged?
Rob fell off his bike and he wasn’t
wearing his helmet.
When he came home from the
hospital, he didn’t like playing
video games or soccer any more,
and he would laugh at different
jokes.
Frontal Lobe
What lobe could be damaged?
Brittany fell while snowboarding and she wasn’t
wearing her helmet.
Later that night when she was watching TV, she
noticed that all the kids on The Family Network
were really blurry!!
Occipital Lobe
Five Senses
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•
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•
•
Vision
Touch
Smell
Taste
Hearing
Smell
Q: How does the nose work?
Q: Which lobe controls smell?
Temporal lobe
Smell
Q: Can you think of a smell that reminds you
of something?
Steps to the Brain
Odorants
Olfactory (Smell) area
Temporal Lobe
Activity Time!
Anosmia
• Q: What smell would you miss if you could not
smell?
• Q: Why is smell important?
• Q: What situations would be dangerous if you
could not smell?
How do we protect our smell?
WEAR A HELMET!!
Taste
Question
• Q: Has anyone noticed that if you are
sick with a cold that your food
doesn’t taste as good?
• Q: Does anyone know why that is?
A: Smell and taste work together
What do you see?
• Stick out your tongue!
The
Tongue
Q: Which lobe controls your taste?
Parietal lobe
Steps to the Brain
Tastants
Taste Buds
Parietal Lobe
Q: What are the four types of taste?
.
Bitter
Sweet
Sour
Salty
Taste Buds
There are more
taste buds at
the front of
your tongue
There are less
taste buds
here
Activity Time!
HOW DO WE PROTECT OUR TASTE?
Vision
Anatomy of the Eye
The
Visual Pathway
Vision
Rods & Cones
Q: Which lobe controls the vision?
Occipital Lobe
Vision
I G
A. We see: L __
__ H__ T__
E __
T __
I N__ A
B. Where the light rays are received: R __
__
On the retina, there are 2 types of cells (photoreceptors)
D __
S are for dark vision and detection of movement
1) R O
__ __
O __
N E__ S__ are for colour vision and detection of fine detail.
2) C __
Information from our retina exits the eye at the
L __
I N__D__ S P__O__ T__
B __
C. Where in the brain it is perceived
C __
C __
I __
P __
I T__A__L__ L O
O __
__B__E__
Activity Time!
Colour Afterimage
Colour Afterimage
Colour Afterimage
Reversible Figure Illusions
Reversible Figure Illusions
How do we protect our Vision?
Hearing
Q: Why Do you Need your Hearing?
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Communication
Listen for danger
Be aware of your surroundings
Enjoyment (for example music)aa
Three parts to the ear
Q: Which lobe controls your hearing?
Temporal lobe
Questions!
Steps to the Brain:
O __
U __
N __
D W __
A __
V __
E S__
A. We hear S__
B. The sound energy is received in the
O __
C H__ L__E__A__
C__
Hair cells in the cochlea transmit auditory information to the
brain
C. Where in the brain it is perceived:
T E__ M
__ P__ O
__ R__ A__ L__ L __
O __
B __
E
Activity time!
Traffic
Car Horn
Train
Q: How Can You Protect Your Hearing?
HOW DO WE PROTECT OUR HEARING?
Sense of touch
Q: Why Is Touch Important?
Comfort
Detect Danger
Personal Contact
Q: What are four types of Touch?
Q: Which lobe controls touch?
Parietal lobe
Steps to the Brain
Steps to the Brain:
A. Where are your touch receptors?
K __I __
N
S __
B. In which lobe in the brain does the message get
perceived?
P __
A __
R __
I __
E T __
A __
L L __
O __
B E__
Activity
C. These receptors allow us to feel:
A __
I __
N
1. P __
2. P __
R __
E __
S __U
S R __
E
3. V __I __
B __
R __
A T __
I __
O __
N
M P__E__
R __
A __T __
U __
R __
E
4. T __E __
Activity Time!
Homunculus
Q: What body part has the most sensory
receptors?
A: Hands, tongue and lips
The bigger the body part
on Homunculus, the
more you will feel on
that body part
HOW DO WE PROTECT OUR BRAIN?
Concussions
• What is a concussion?
CONCUSSION = A type of Brain Injury!
Any blow to head, face, neck or body, which
causes sudden jarring of the brain inside the
skull may cause a concussion.a=
Concussions 101- Dr. Mike Evans
Concussion Symptoms
PHYSICAL
COGNITIVE (THINKING)
EMOTIONAL
Loss of consciousness
(Blanking out for a moment)
General confusion
(Being Confused)
“I don’t feel like myself”
Difficulty remembering
(Can’t remember as well as before)
Sadness
Difficulty concentrating
(Find it hard to focus/concentrate)
Moody, grumpy (irritable)
Feeling like “in a fog”
Nervous or anxious
Headache
Nausea or vomiting
(Throwing up or feeling like
throwing up)
“Pressure in the head”
Dizziness
Low energy (Tired)
Sensitivity to light or noise
(Lights or noise bother me)
S-T-A-R
Stop Playing!
Tell an adult,
Get Assessed, and
Rest!
Summary
Q: Why is it important to protect our brain?
• Smell
• Taste
• Vision
• Hearing
• Touch
Touch a Brain!
• Your brain is fragile, why do you think it’s
important to protect it?
How do we protect our Brain?
2-V-1 Rule
Questions
Q: Should you wear a helmet over a
baseball hat or ponytail?