Download Ch02B Neuroscience

Ch.2(B)
Neuroscience
Today’s coming attractions
How can we see an image of the
brain’s functioning?
 What do different parts of the brain
do?

You want to record the brains’
anatomy.
To check for damage to the skull.
 What method would you use?
 CT Scan = Computed Tomography
 What does it do?
 Records X-rays

You want to see soft tissue
What do you use?
 MRI = Magnetic Resonance Imaging
 What does it do?
 Reads radio waves leaving the body
within a magnetic field.

You want to record which
specific brain areas are most
active during a mental task.
What would you use?
fMRI = Functional MRI

You want to diagnose a brain
disorder.
You want to see what parts of the
brain are most active and which are
not.
 You are concerned a patient may
have Alzheimer’s or Parkinson’s
disease
 What brain imaging system would you
use?
 PET Scan = Positron Emission
Tomography

The Brain
Bill was shot in the back of his head,
and immediately stopped breathing,
and his heart immediately stopped.
 Where was he shot?
 Medulla

After an auto accident, Bill had
damage in the Broca’s area of his
cerebral cortex.
 He will likely have difficulty doing
what?
 Speaking fluently.

After a skiing accident, Janice had
difficulty understanding what others
were saying, even when her hearing
tested out fine.
 What part of her brain was possibly
damaged?
 Wernicke’s area

After an accident, Twee has difficulty
writing with her right hand.
 What side of her brain was possibly
damaged?
 Left side
 How did the information get from the
right hand to the left side of her brain?
 Corpus Callosum

When Mrs. Simpson was younger,
she prided herself of her good
memory. At 92 years she has difficulty
with memory.
 What portion of her brain may be less
active?
 The Hipoocampus

Janet sees someone coming toward
her with a knife. She realizes he is
trying to hurt her. She becomes
fearful and starts to run.
 What part of her brain received and
evaluated the emotional significance
of information from her environment
and organized a fitting response?
 Amygdala
