Select the correct sequence for processing of information in the primary visual pathway.

Question 1  Select the correct sequence for processing of information in the primary visual pathway.

retina – > thalamus -> primary visual cortex

thalamus -> retina -> striate cortex -> primary visual cortex

thalamus -> frontal cortex -> amygdala ->extrastriate cortex

retina -> primary visual cortex -> thalamus -> inferior temporal cortex

Question 2 The basilar membrane flexes when there is the production of sound waves to fluid waves in the cochlea. The flexing of the basilar membrane and its bending lead to the bending of the hair cells and hence leading to the release of the neurotransmitters. The organ is as well important for hearing in that it allows for the support of the spiral organ and that there is a transmission of the vibrations to the hair cells of the spiral organ.

How is the basilar membrane important for hearing?

Question 3 If Broca’s patient Tan lost his speech after a stroke and Phineas Gage became rude after his brain damage, is it correct to conclude that we all have a speech center and a politeness center in the brain? Why or why not?

Question 4 A patient has great difficulty in maintaining his posture, walking, and coordinating his movements. His brain injuries probably involve the

cerebellum.

hippocampus.

hypothalamus.

reticular activating system.

Question 5 What kinds of evidence would you want to show that a particular behavior developed through biological evolution? Or to put it another way, why would it be incorrect to say that wearing shoes is the result of biological evolution? 

Question 6 At rest, neurons have a resting membrane potential of approximately -70mV, this means that

It will take approximately 70mV of stimulation to get the neuron to fire.

The charge inside the cell is approximately 70mV more negative than the charge outside the cell.

K+ will always move down its concentration gradient.

The charge inside the cell is approximately 70mV more positive than the charge outside the cell.

Question 7 A key event for the release of neurotransmitter from the presynaptic membrane is the

hyperpolarization of the axon membrane.

arrival of an action potential at the axon terminal.

influx of potassium ions into the axon terminal.

activation of the sodium-potassium pumps.

Question 8 What is myelin and why is it important for the conduction of the action potential?

Question 9 Our vestibular system uses a fluid called ____________ to detect head movement in three planes.

cerebrospinal fluid

otolith

endolymph

vitreous humor

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