A hemispherectomy refers to what operation?
a. removing half of the cerebrum
b. removing half of the cerebellum
c. removing half of the prefrontal cortex
d. removing half of the brainstem
Your brain physically changes when you:
a. learn something new
b. change your body (such as losing a limb)
c. are interested in something
d. all of the above
Severing the sensory nerves is called:
The way your brain maps your body onto itself is referred to as the:
a. motor map
b. retinotopic map
d. tonotopic map
The brain's ability to allocate neural activity depending on the organism's needs is called:
a. adaptive coding
b. optimal allocation
d. the neuron doctrine
Cholinergic neurons release what neurotransmitter?
Your brain will release acetylcholine and increase plasticity when you are ______ the task at hand.
a. disinterested in
b. interested in
c. having difficulty with
d. do well at
Aphasia is the damage to or loss of:
b. auditory sensitivity
c. language skills
You change your major from accounting to English. What can we expect will happen to your brain?
a. your brain will form a new map over a smaller area of tissue
b. your brain will begin to devote more resources to learning all there is to know about psychology
c. your brain will form a new map over a smaller area of tissue
d. your brain will begin allocating more resources to erasing what you have already learned about political science
A region of the brain where many cholinergic neurons exist is the:
a. basal forebrain
c. visual cortex
The visual cortex in mammals corresponds to this in a frog:
a. the retina
b. the optic tectum
c. the occipital lobe
d. the homunculus
The brain is able to compensate for _____ by compressing its map into a smaller area.
a. loss of a sensory input
b. loss of a region of sensory tissue
c. sensory substitution
d. sensory addition
A transfer of language function to the right hemisphere might happen after:
a. a stroke
b. being raised without social enrichment
c. learning the violin
d. learning a new language
As shown in the case of Danielle, the child from Plant City, Florida, lack of social interaction can lead to:
a. genetic abnormalities
b. Down syndrome
d. severely impaired language
Longer periods of helplessness are evident in organisms with greater brain:
As we age, plasticity goes down, and _______ goes up.
Shrunken dendrites may be found in the brains of organisms that have spent much of their lives:
a. in a cold environment
b. in a noisy environment
c. in deprived environments
d. in an enriched environment
The language area of the brain may have more _______ in individuals who have attended college when compared to those who have only attended high school.
a. densely packed axons
b. sparsely connected neurons
c. dendritic branching
d. cell bodies
Major life changes often lead to _____ changes in the brain.
Because much of visual perception is experience dependent, atypical experience during _____ can lead to lasting abnormal perception.
a. early adulthood
b. late adulthood
c. middle age
d. early development
Axonal branches can be retracted in a process called:
Neurotrophins are critical for a neuron's _____ .
a. action potential
b. conduction rate
A baby is born with 50% more ____ than it requires.
c. brain tissue
Individuals with degenerating photoreceptors can benefit from using:
a. a bionic retinal implant (BRI)
The tongue is used in many sensory substitution because of its exceptional:
a. pain tolerance