Quizz:12,13,14 Flashcards
Lashley found that a deep cut in a rat’s cerebral cortex completely eliminated the effects of learning under what circumstances, if any?
- if the cut was made after the learning
- if the learned task was simple
- if the learned task was complex
- under none of the circumstances he studied
4 under none of the circumstances he studied
Lashley found that when he removed parts of the brain ____.
- only the removal of frontal lobe tissue disrupted performance
- only the removal of parietal lobe tissue disrupted performance
- the amount of tissue removed was more important than its location
- he found no loss of memories at all
3.the amount of tissue removed was more important than its location
What is one explanation for why Lashley failed at finding the engram?
- He used poor surgical methods.
- Some memories do not depend on the cortex.
- The engram is continually changing location in the cortex.
- Classical conditioning had not been discovered yet.
- Some memories do not depend on the cortex.
Retrograde amnesia is to ____ as anterograde amnesia is to ____.
- temporary loss of memory; permanent loss of memory
- loss of short-term memory; loss of long-term memory
- inability to form new memories; loss of memory for old events
- loss of memory for old events; inability to form new memories
4.loss of memory for old events; inability to form new memories
Alzheimer’s leads to the accumulation of ____ in the brain.
- glucose
- amyloid deposits
- arachidonic acid
- serotonin
2.amyloid deposits
Split-brain patients suffer ____.
- little or no impairment of overall intellectual performance
- a lack of motor control
- sensation deficits
- memory deficits
- little or no impairment of overall intellectual performance
In operant conditioning, punishment is a(n) ____.
- stimulus that produces a reflexive response
- event that decreases the future probability of a response
- event that increases the future probability of a response
- event that prevents a response
2,event that decreases the future probability of a response
A split-brain patient is someone who has had their ____.
- corpus callosum severed
- cerebellum severed
- frontal lobe separated from the rest of the cortex
- cerebral cortex separated from the rest of the brain
1.corpus callosum severed
Which task are split-brain patients likely to perform better than other people?
- tying their shoes
- unfamiliar tasks
- completing an intelligence test
- using both hands simultaneously to draw separate shapes
4 using both hands simultaneously to draw separate shapes
One characteristic of the brains of people with Williams syndrome is ____.
- a larger than normal right hemisphere, but smaller than normal left hemisphere
- a larger than normal left hemisphere, but smaller than normal right hemisphere
- less than normal overall mass in the cerebral cortex
- a greatly diminished limbic system
3.less than normal overall mass in the cerebral cortex
Someone with Broca’s aphasia has the greatest difficulty ____.
- understanding spoken language
- understanding written language
- remembering the names of objects
- speaking
- speaking
During binocular rivalry, what do people ordinarily perceive?
- one eye’s view superimposed on that of the other
- a compromise, half way between one eye’s view and that of the other
- rapidly oscillating static images
- alternation of one eye’s view and then the other’s
- alternation of one eye’s view and then the other’s
Most depressed people show ____ activity in the ____ prefrontal cortex.
- increased; left
- decreased; left
- decreased; right
- increased; right and left
- decreased; left
Electroconvulsive therapy is sometimes recommended for patients with strong suicidal tendencies because it ____.
- produces its benefits faster
- does not impair memory
- produces permanent, not temporary, relief
- is based on a theory, not just trial and error discoveries
- produces its benefits faster
What can be said about treatment for autism spectrum disorders?
- While drugs like risperidone can be used to reduce stereotyped behaviors, they have a risk of dangerous side-effects.
- The use of stimulant drugs may increase social behavior and communication.
- New treatments, including chelation, appear to have great promise.
- Use of the high fat, ketogenic diet used for some children with intractable epilepsy, appears helpful.
- While drugs like risperidone can be used to reduce stereotyped behaviors, they have a risk of dangerous side-effects.