is a person thought to be could be “brain dead" if the light shining in the eyes causes some ? pupillary miosis. The above suggests that the person is in fact "brain dead" .
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- ___ is defined as a decrease in the response to an ongoing stimulus. a. Perception b. Visual accommodation c. Sensory adaptiltion d. Somatic sensationReduced judgment ability may be observed in elderly individuals due to atrophy (deterioration) of the inhibition-controlling part of the brain. The part of the brain that atrophies is the: Medulla Brain Stem Hippocampus Frontal lobesThe most likely location of a tumor causing a monoculur blindness is Retina Pituitary gland Meyer’s loop Optic radiation Lateral geniculate nucleus
- Which structure is highlighted? Multiple Choice pons olfactory bulb optic chiasm cerebellum medulla oblongataWhich of the following is (are) tonotopic? the basilar membrane the lateral geniculate nucleus of the thalamus (LGN) the auditory cortex the olivary nucleus More than one of the above is tonotopic.A bitemporal hemianopsia is caused by a lesions in both optical nerves lesion in the optic chiasm lesion in the center fields of the fovea lesion in both lateral geniculate bodies
- From a biological perspective, how do our senses monitor our body's position and movement? Discuss factors which may influence our vestibular senses. Include a relevant example. Please include references.What effect does sympathetic nervous system stimulation have on pupil diameter? It is known that one's diameter of the pupil's increases when telling a lie. Offer an explanation.What region of the brain contains the primary visual cortex?a. the occipital lobeb. the frontal lobec. the temporal lobed. the somatosensory cortexe. the parietal lobe association area
- Which of the following is clearly visible when viewing the ventral aspect of the brain Transerve fissure, hypothalamus, central sulcus, olfactory bulbs or corpus callosumA person with epilepsy had a successful surgery to prevent the spread of epileptic activity between the two hemispheres of the brain. When an object is presented to the left visual fields of both eyes, this person can see the object but cannot verbally describe the object. When the object is presented to the right visual fields of both eyes, this person can see the object and is able to verbally describe the object. a. Describe the visual pathway from left visual fields to perception in the brain.b. Identify the area of the brain responsible for speech production. Include the name of the area, the lobe(s) and the hemisphere of the brain it is located in. c. Explain why there is a disconnect between vision and speech in the person described at the beginning of this question.Unilateral Cerebral strokes can cause deficits in motor control, somatic sensation and vision. However, they do not cause deficits in hearing. The explanation for this is: Auditory information does not reach the cortex Auditory information only goes to one hemisphere. Auditory information goes to both hemispheres How are the outer segments of photoreceptors positioned? between bipolar cells and horizontal cells in the outermost layer of the retina in the ganglion cell layer farthest from the pigment epithelium