Chapter 15 Practice Quiz
Diffusion tensor imaging (DTI) findings
are inconsistent with the connectionist model of aphasia.
In boxers, the devastating effects of repeated blows to the head are evident in the development of a progressive cognitive impairment called
chronic traumatic encephalopathy
The human brain shows a clear _______, during which exposure and practice with language must occur in order for language skills to develop normally.
critical period
Astereognosis is the
inability to identify objects by touch or manipulation
Nonverbal visual stimuli, such as faces or shapes, are recognized more accurately if they are presented to the
left visual field
Aphasic patients may produce nonsensical or meaningless words called
neologisms
TMS brain mapping has shown that _______ regions of Broca's area are important for _______ processing.
posterior; phonological
Bilateral damage to the fusiform gyrus results in
prosopagnosia
People with conduction aphasia are unable to
repeat words or sentences
All the following may aid in stabilization and reorganization after brain damage except
reverse transcription
In monkeys, stimulation of the _______, but not of the _______, results in vocalizations.
subcortical regions; cortex
Split-brain individuals are those who have undergone surgery to _______ as a treatment for _______.
the corpus callosum; epilepsy
Speech mechanisms may have evolved from more ancient systems controlling gestures of the face and hands, in agreement with
the motor theory of language
Consistent with the motor theory of speech perception, deaf people who use American Sign Language use _______ language-related regions of the left hemisphere as hearing people who use spoken language do.
the same
Mirror therapy has been shown to be useful for rehabilitation after brain injury as it
tricks the brain into thinking they are moving the paralyzed arm
A large frontal lesion in the left hemisphere can produce _______ aphasia.
Broca's
A patient who has difficulty speaking but has good comprehension of verbal material is most likely suffering from _______ aphasia.
Broca's
Patients with _______ are likely to have right-sided weakness or partial paralysis; those with _______ are likely to experience right-sided numbness.
Broca's aphasia; Wernicke's aphasia
Which symptom is not one of the forms of brain pathology associated with long-time boxers?
Micropolygyria
The relationship between the direction of the whorl of hair on the top of the head and handedness supports the idea that
a single gene has a major influence on asymmetry throughout the body
A 45-year old individual that played football all his life is showing signs of confusion and memory loss. If you were to examine his brain, what would you expect to find?
Abnormal expression of tau
Which of the following best describes the Wernicke-Geschwind model of aphasia?
Connectionist
Under which circumstance would a doctor request that a patient undergo a Wada test?
If a patient may need to undergo neurosurgery
Which symptom would not be a likely result of extensive damage to the right fusiform gyrus?
Impairment in recognizing the voices of coworkers
Which statement about the evolution of languages is most accurate?
Languages are being lost or absorbed as a result of increasing globalization
_______ is an anatomical abnormality of developmental dyslexia that is associated with excessive cortical folding in areas such as the temporoparietal junction.
Micropolygyria
Which feature of birdsong suggests it is analogous to human speech?
Some birds require early exposure to species-typical birdsong in order to develop their characteristic song
A patient speaks in a fluent manner, although her speech contains many paraphasias that make it unintelligible. She also demonstrates poor comprehension of verbal material. This patient is most likely suffering from _______ aphasia.
Wernicke's
Disturbance in reading is called
alexia
The complete loss of the ability to understand language, or to speak, read, or write is called _______ aphasia.
global
In general, brain injury suffered _______ has less severe consequences than brain injury suffered _______.
in childhood; in adulthood
Hemispheric specialization is also known as
lateralization
A prominent structural asymmetry in the brains of typical humans is apparent in the _______, which is located on the superior surface of the _______ lobe.
planum temporale; temporal
A left-ear advantage for verbal sounds can be observed in up to 50% of
right-handed individuals
Anna has been diagnosed with deep dyslexia. The most obvious symptom she has is
she interprets a word when reading not as the word on the page but as a semantically related word
Early studies using electrodes to stimulate discrete areas of cortex, thereby disrupting neural function, found
that electrical stimulation interfered with language abilities
In patients with aphasia following a stroke, the greatest amount of language recovery is likely to be achieved _______ after the episode of brain damage.
within 3 months