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NBB 302 Midterm 1 Exam Study Set
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NBB 302 Midterm 1 Exam Study SetWhich of the following are false about the anterior commissure, posterior commissure,
and corpus callosum?
1. They all connect the L and R hemispheres
2. The anterior commissure connects the parietal lobes
3. The AC is 1/10 the size of the PC
4. Posterior commissure is responsible for the gag reflex - Answer 2. the anterior
commissure connects the temporal lobes
4. PC is responsible for the pupillary light reflex
What are homotopic brain areas?
a. regions of the cortex that are organized according to spatial maps of the environment
b. areas in corresponding locations in the two cerebral hemispheres
c. areas in the brain that are organized according to spatial and auditory frequency
d. regions of the cortex found within the same cerebral hemisphere - Answer B
4. Assessment of the visual processing carried out by each hemisphere in split-brain
patients usually involves the brief simultaneous presentation of different stimuli to each
visual field while the participant fixates on a central point in space. Why is it necessary
to ensure that stimulus presentation is brief?
a. If the stimuli were presented over longer intervals, information would be transferred
between the hemispheres through the corpus callosum.
b. Brief presentation prevents participants from focusing attention on the stimuli.
c. The short presentation time is necessary to prevent eye movements, which would
redirect information across the visual fields.
d. Increasing the presentation time increases task difficulty for split-brain patients. -
Answer C
A small object, such as a key, is placed in the right hand of a split-brain patient who has
her eyes closed. Assuming that this person has left-hemisphere language dominance,
which of the following best describes her ability to report information about the object
based on how it feels?
a. She will be able to name and describe it verbally.
, b. She will not be able to name it verbally.
c. She will be able to write out the object's name using her left hand.
d. She will not be able to direct focused attention to the object. - Answer A
A patient complains of difficulty 'seeing' and preliminary diagnosis of agnosia is made.
What specific behavioral and neuroimaging tests would you do to make a more specific
diagnosis? What control tests would you do to rule out memory or general vision
problems? - Answer - Can do a seeing eye test to test general eye vision—determine
base level
- Do a memory test as well—determine baseline memory
- If vision is impaired have 5 objects and see if you can ID based on touch→ tells you
there are vision problems, but the memory is intact
- Apperceptive agnosia- can do unusual views object test
- Integrative agnosia—circle and two diamonds and three shapes connected→ draw
them out and number the segments—people with integrative agnosia would draw it as
individual segments
Grandmother cell - Answer One neuron responsible for perception and recognition
that's finely tuned to specific stimuli
Ensemble - Answer
What would a split patient draw if the motor output hypothesis was true given this
situation?
Fire | Fighter - Answer A depiction of fire and a fighter separately within the problem
(both present but no integration)
What would a split patient draw if the subcortical transmission hypothesis was true
given this situation?
Fire | Fighter - Answer A depiction of a Firefighter (integration is present)
The data of the split brain patient favored subcortical transmission or motor output
battle? - Answer motor output battle with the language dominant side having mild
preference.
phrenology - Answer developed by spurzheim, the ide athat character could be divined
through palpating the skull
What is true about aggregate field theory?
A. Developed by Franz Joseph Gall
B. It is the thought that the brain preforms behavior holistically
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