Human Biology Custom Edition
11th Edition
ISBN: 9781337631532
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 14, Problem 11RQ
How does the eye focus the light rays of an image? What do nearsighted and farsighted mean?
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Define sensation and perception. Do we have direct contact with our world, or is the world as we know it filtered through our senses? How does the way that we perceive the world influence our mental processes and behavior? Do you think that what we perceive is actually “out there,” or is it what our brain perceives? In other words, can we be mistaken about what we see?
What are the neural pathways and mechanisms involved in the processing of visual information, and how do they differ from those involved in processing information from other sensory systems such as hearing, taste, and smell?
How can the vision of a person with uncorrected nearsightedness be described?
Chapter 14 Solutions
Human Biology Custom Edition
Ch. 14 - When a receptor cell detects a specific kind of...Ch. 14 - Name six categories of sensory receptors and the...Ch. 14 - How do somatic sensations differ from special...Ch. 14 - Explain where free nerve endings are located in...Ch. 14 - Prob. 5RQCh. 14 - What are the stimuli for taste receptors?Ch. 14 - How do smell signals arise and reach the brain?Ch. 14 - Label the parts of the ear:Ch. 14 - In the ear, sound waves cause the tympanic...Ch. 14 - Label the parts of the eye:
Ch. 14 - How does the eye focus the light rays of an image?...Ch. 14 - A __________is a specific form of energy that can...Ch. 14 - Awareness of a stimulus is called a ________.Ch. 14 - ____________ is understanding what particular...Ch. 14 - A sensory system is composed of __________. a....Ch. 14 - ___________detect energy associated with changes...Ch. 14 - Detecting substances present in the body fluids...Ch. 14 - Which of the special senses is based on the...Ch. 14 - Rods differ from cones in the following ways: a....Ch. 14 - The outer layer of the eye includes...Ch. 14 - The inner layer of the eye includes the...Ch. 14 - Your visual field is ______________. a. a...Ch. 14 - Match each of the following terms with the...Ch. 14 - Prob. 1CTCh. 14 - Prob. 2CTCh. 14 - Jill is diagnosed with sensorineural deafness, a...Ch. 14 - Larry goes to the doctor complaining that he cant...Ch. 14 - In a rock climber like the man pictured in Figure...
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- Larry goes to the doctor complaining that he cant see the right side of the visual field with either eye. Where in the visual signal-processing pathway is Larrys problem occurring?arrow_forwardHow do somatic sensations differ from special senses?arrow_forwardBryan has normal vision and is wearing a special headset that shows a picture of a sailboat to his left eye and a picture of a dog to his right eye. What is Bryan's perception of these images most likely to be? He will only perceive whichever image is presented to his dominant eye. He will alternate between perceiving the sailboat and perceiving the dog. He will perceive the dog and the sailboat overlaid on top of each other. He will perceive parts of the dog and parts of the sailboat combined together in a fashion similar to a puzzle.arrow_forward
- How does the brain process and integrate visual information from the eyes to create a coherent and accurate perception of the surrounding environment, and what are the underlying neural mechanisms that allow us to perceive depth, motion, color, and shape?arrow_forwardHow do we perceive stimuli in everyday life. Describe this pathway (do not list) for vision OR olfaction using the key words listed below. (Note: Be sure you can do this for sound and balance too) Start with the stimulus and end with its perception in the cortex. (Note: words are in no particular order). Key words for vision: photoreceptor, retina, light, visual cortex, optic nerve (CN II), action potentials, optic chiasm, optic tract, LGN of thalamus, “I see light!” Key words for olfaction: odorant, olfactory receptor cell, olfactory nerve (CN I), g-proteins, olfactory bulb, olfactory tract, olfactory cortex, action potentials, odor molecules. “I smell coffee!”arrow_forwardThere are a number of reasons for vision loss, both natural and unnatural. Use a blindfold to remove your sense of vision. how well your other senses adapt to the lack of visual input. How familiar is it? How does your perception of distance change?arrow_forward
- List the factors that Affect Perception?arrow_forwardWhat's the difference between adaptation and accommodation in the eye?arrow_forwardWhich of these is the BEST example of top-down processing? When Sarah listens to someone speaking Spanish, she can easily hear where one words ends and another begins because she is fluent in Spanish. Shane's sense of taste is based primarily on the chemicals that activate receptors on his tongue. John is able to see blue objects because he has cones that respond to short-wavelength light. Tamara's perception of line length is driven primarily by the true length of the line in space.arrow_forward
- what is the connection between studying a brain that experiences phantom senses and understanding a "normal" brain ?arrow_forwardWhich of the following best distinguishes visual processing in the temporal cortex from visual processing the primary visual cortex? Neurons in the temporal lobe prefer more complex stimuli O Neurons in the temporal cortex are less selective for the spatial location of the visual stimulus O Neurons in the temporal lobe are more selective for the direction of motion of the visual stimulus O A and B B and Carrow_forwardWhy is the eye "strained" more upon viewing nearby objects then far objects?arrow_forward
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