Plasticity

Question 1

What are the 5 stages of plasticity

Answer 1

Proliferation-(new neurons)
Migration- (move)
Circuit formation- (branch out target cells and form synapses with them)
Synaptic pruning-(get rid of anything not needed)
Myelination- (stengthen connections)

Question 2

A person with wernickes aphasia may

Answer 2

Produce fluent speech that makes no sense

Question 3

Brocas is located in the

Answer 3

Left frontal lobe

Question 4

Is a person with spacial neglect aware

Answer 4

Unaware or aware but unconcerned about their condition

Question 5

The operation to prevent Georges seizures was probably an operation that

Answer 5

Severed his corpus callosum

Question 6

Which lobe is damaged with spacial neglect

Answer 6

Posterior parietal

Question 7

What is the Broca’s area

Answer 7

Production of fluent and clear speech

Located front left hemisphere

Question 8

What is the wernickes area

Answer 8

Involved in interpretation of speech

Located in temporal lobe left hemisphere only

Question 9

What is Broca’s aphasia

Answer 9

Difficulty expressing themselves in words or sentences
Non fluent, slow and effortful fluency of speech
Ability to understand written language is unaffected

Question 10

What is wernickes aphasia

Answer 10

Difficulty understanding written or spoken language

Very fluent speech but makes no sense

Question 11

Define adaptive plasticity

Answer 11

The ability of the brain to change, adapt and grow throughout life

Question 12

What is spatial neglect

Answer 12

A disorder that results in the patient completely ignoring the left side of their world

Question 13

What can Aphasia be caused by

Answer 13

Brain damage such as a stroke

Question 14

Examples of spacial neglect

Answer 14

Half shaven face, only drawing half a picture

Question 15

Why is split brain preformed

Answer 15

Rare form of surgery normally for severe epilepsy

Question 16

When A patient with a split brain is flashed a picture to their left visual field what are they likely to saw

Answer 16

Unable to verbally name the object and say they saw nothing but was able to grasp it

Question 17

When a patient is wiht a split brain is shown an object on their right visual field what are they likely to say

Answer 17

Easily see and name it verbally

Question 18

Define synaptogensis

Answer 18

The process of moulding or forming new synapses

Question 19

Who preformed the split Brian experiment

Answer 19

Sperry

Question 20

Brain size is about 90-95% adult size by the age of about

Answer 20

6 years

Question 21

The last brain area to reach maturity tends to be the

Answer 21

Prefrontal cortex

Question 22

Visual images in the right visual video are processed in the

Answer 22

Left occipital lobe

Question 23

Brain maturation is generally complete by the end of

Answer 23

Early adulthood (25 years old)

Question 24

Monty suffers from wernickes aphasia. As a result it is likely that he;
A) consciously aware of his inability to communicate
B) he produces speech that contains nouns and verbs only
C)his ability to read is unaffected
D) he is able to speak fluently

Answer 24

D

Question 25

Mary has Broca’s aphasia. Likely symptoms are that she

Answer 25

Can understand what is said to her but has difficulty pronouncing words in response

Question 26

What is developmental plasticity

Answer 26

The ability of synapses to be formed. Generally an infant or child’s brain will have more plasticity than an adults

Question 27

What are common causes of brain damage

Answer 27

Concussion
Hitting your head
Stroke

Question 28

Adaptive plasticity after brain injury, Cameron mat case

Answer 28

Had a high risk operation to remove the diseased half of her brain.
After 10 days she was able to walk again
The left side of her brain was able to adapt to the change and start all the functions from the right side