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Which of the following provides an example of serial (rather than parallel) processing in the visual system?
| a. |
Visual information is sent from the retina, to the LGN, and then to the visual cortex. |
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| b. |
Rods and cones function simultaneously in the retina. |
|
| c. |
The “what” and “where” streams in the visual association cortex work together. |
|
| d. |
Processing of motion and shape inform each other. |
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- Which of the following is TRUE of the manner in which visual information is transferred from the eyes to the cortex? A. None of the choice options are TRUE B. All information from the retina of the left eye is transmitted to the ipsilateral hemisphere C. All information from the retina of the right eye is transmitted to the contralateral hemisphere D. All information from the left visual field is transmitted to the ipsilateral hemisphere E. All information from the right visual field is transmitted to the contralateral hemisphereA cortical module found in the visual cortex represents what type of visual information? a. All of the orientation columns found in the visual cortex that respond to the same orientation b. All of the information about the visual world that is perceived by a single eye c. The stacked columns of simple cells and complex cells of a particular orientation d. All of the serial processing pathways for a single channel of visual information e. An array of columns, made up of all of the pathways of visual processing, that provides information about a particular region of the visual fieldWhich of these statements is not true with respect to olfaction?a. Olfactory sensation is relayed directly to the cerebral cortex withoutpassing through the thalamus.b. Olfactory neurons are replaced about every 2 months.c. The olfactory cortex is involved in the conscious perception of smell.d. The secondary olfactory areas are responsible for visceral andemotional reactions to odors.e. The olfactory cortex is in the occipital lobe of the cerebrum.
- Which of the following statements are true of the physiology of vision? (Read carefully and select all the correct statements.) A. Cones are the receptors for color. B. The lens adjusts for distant vision, and the cornea adjusts for near vision. C. The optic nerve is formed by the ganglion neurons of the choroid layer. D. For near vision, the pupils dilate and the eyes converge. E. The optic chiasma is a crossing of optic nerve fibers that contributes to binocular vision. F. The visual areas are in the occipital lobes of the cerebrum. G. The area of the retina for the best color vision is the optic disc. H. Rods are most numerous at the periphery of the retina.What are the receptive field characteristics of cortical neurons in layer 3 of the primary visual cortex (V1)? a. Optimally responsive to facial features. b. Optimally responsive to specifically-oriented bars of light. c. Optimally responsive to small spots of light. d. All of the above. e. Optimally responsive to hand features.Which of the following statements about the contributions of rods and cones to vision is TRUE? A. The three types of cones (long, medium, short) are represented at roughly equal numbers B. Rods respond to light at ultra-violet wavelengths (>600nm) C. The relative density of cones is roughly even throughout the retina D. The greater sensitivity of rods in low light is explained by their larger number E. Several rods converge on a single bipolar cell
- The ventral stream of the visual system is specialized for which of these? A. Identifying locations B. Coordinating vision with movement C. Peripheral vision and vision under poor lighting D. Detailed identification of objectsBecause fibers of the optic nerve that originate in the nasal halves of each retina cross over at the optic chiasma, each lateral geniculate receives input from a.both the right and left sides of the visual field of both eyes. b.the ipsilateral visual field of both eyes. c.the contralateral visual field of both eyes. d.the ipsilateral field of one eye and the contralateral field of the other eye.What studies of visual agnosia tell us about the occipitotemporal cortex in object perception and recognition? a. Functional localization in specific areas b. Functional integration between areas c. Functional heterogeneity across areas d. Integrative neophrenology e. Fractional phrenology
- Taste buds on the surface of the tongue can detect a taste only when chemicals are dissolved in saliva so that chemoreceptors can start an impulse to the brain. Which of the following statements is correct about the taste sensory pathway? a. The temporal lobe of the cerebrum perceives the taste sensation. b. Nerve impulses trigger taste buds and send information to the brain. c. Taste buds sense taste, and the parietal lobe perceives taste. d. The tip of the tongue senses sweet, and the periphery senses sour and salty flavours.put the following in the correct order of the most directly visual processing pathway from eyes to brain. a. lateral geniculate meuron b. ganglion cell. c. visual cortex neuron d. biploar cell e. optic nerve f. photorecpetorWhich of the following statements are true of sensory pathways? (Read carefully and select all the correct statements.) A. Sensory neurons carry impulses from receptors to the CNS. B. Sensory tracts include peripheral nerves such as the femoral nerve. C. Sensory receptors are different in that each type detects a specific type of change. D. Sensory receptors are similar in that they all interpret impulses the same way. E. Most of the sensory areas are in the cerebral cortex. F. The cranial nerves involved in sensations are part of sensory tracts.