Environmental input to different sensory systems affects different neuroanatomical pathways. However, there is a basic, common pathway plan that most sensory systems share. Choose the response option that best describes that plan. receptors --> hindbrain --> midbrain --> cortical association area receptors --> medulla --> hypothalamus --> frontal cortex receptors -> spinal nerves --> midbrain --> temporal cortex receptors --> brainstem --> thalamus --> primary cortical area

Environmental input to different sensory systems affects different neuroanatomical pathways. However, there is a basic, common pathway plan that most sensory systems share. Choose the response option that best describes that plan. receptors --> hindbrain --> midbrain --> cortical association area receptors --> medulla --> hypothalamus --> frontal cortex receptors -> spinal nerves --> midbrain --> temporal cortex receptors --> brainstem --> thalamus --> primary cortical area

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter6: The Peripheral Nervous System: Afferent Division; Special Senses

Section: Chapter Questions

Problem 13RE

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All sensory organs relay information through the thalamus but not in the same way. How does the pathways of information from sensory organs to the primary sensory vortices and organization differ between the 3 systems? How are they the same? You may focus on one of the somatosensory pathways (touch or pain/ temp)
In the process of sensory coding Recruitment of additional neurons occurs with a weak stimulus in order to make the stimulus stronger. The larger the receptive field of a sensory receptor, the greater the expected acuity and the more accurate the two-point discrimination. Lateral inhibition of neighboring receptors resulting in a relative reduction of action potentials in the neighboring second order neurons would be expected to increase acuity. A receptor potential that remains suprathreshold into the absolute refractory period will result in additional action potentials.
What are characteristic for the ascending sensory pathways: Non-classical pathways use ventral and medial nuclei in the thalamus The thalamus in classical pathways project directly to the lateral nucleus of the amygdala. The thalamus in classical pathways project to primary sensory cortices. Non-classical pathways do not activate the autonomic nervous system.
Drag the function of the somatic sensory pathway to its proper location on the spinal cord. Drag the appropriate labels to their respective targets. > View Available Hint(s) Reset Help Proprioception from tendons and joints Pain Fine touch Pressure Submit
There are a number of commonalities between the sensory systems both in terms of how incoming sensory information is processed and in terms of how that incoming information is interpreted and understood by the brain. Describe 3 commonalities across systems on the “sensory side” of the process and 2 commonalities on the perceptual side. Use examples in your descriptions.
The sensory contex is the area of your brain that processes sensations from your body. Each section of the sensory cortex processes information from a different body part. Larger body parts, such as you back or thighs, do not necessarily receive more space the sensory cortex. Explain why larger areas of your body such as your stomach back or thighs do not have a large space in the sensory cortex of the brain and why is it important that these areas cannot distinguish minor sensations.
Drag the labels onto the diagram to identify the components of somatic sensory pathways. First synapse in medulla, ipsilateral to the stimulus First synapse in spinal cord, ipsilateral to the stimulus Fine touch, vibration, proprioception Crosses midline in spinal cord Second synapse in thalamus, contralateral to the stimulus Pain, temperature, coarse touch Third synapse in primary somatic sensory cortex, contralateral to the stimulus Crosses midline in medulla SOMATOSENSORY PATHWAYS
M Which of the following presents the elements of a sensory system in the correct order? Select one: Accessory structure modifies energy and sensory nerves transfer activity to central nervous system, thalamus processes and relays activity to cerebral cortex, cerebral cortex transfers input to accessory structures and sensation or perception is produced. Accessory structure modifies energy, receptor transduces energy into neural activity, sensory nerves transfer activity to central nervous system, thalamus processes and relays activity to cerebral cortex, cerebral cortex receives input and produces sensation and perception. Ob. C. External receptors transduce energy into neural activity, sensory nerves transfer activity to central nervous system and relays activity to cerebral cortex, cerebral cortex receives input and produces sensation and perception. O d. Accessory structure modifies energy, receptor transduces energy and thalamus processes and relays activity to the reticular…
Afferent sensory information from the periphery will: Go directly towards Central Nervous System Synapse with interneurons in the spinal cord Synapse with lower motor neurons (LMN) All of the above are correct
Based on the number of rods vs cones in the retina [Select] rods greater sensitivity and [Select] cones have greater acuity. have
All sensory organs convert energy in the environment into action potentials in the nervous systern. Explain the process of how our ears convert energy in the form of sound waves in the air into action potentials along a nerve. Include the appropriate order of structures and regions of the ear as well as the physiological process of creating action potentials and interpreting them in the brain.
Cutaneous receptors are located in the proprioceptors are located in the and cerebral cortex equilibrium These receptors provide sensory input to the primary sensory area of where the information is processed. the muscle spindle pain Cutaneous receptors are made up of numerous sensory receptors, including those for temperature, pressure, touch, and muscles and joints connective tissue One example is a cutaneous receptor that is onion-shaped and detects pressure, called a Pacinian corpuscle sight Proprioceptors help the body maintain and posture. skin of sensory nerve endings wraps around muscle sheath. Golgi tendon A(n) cells within a(n) organs Other sensory receptors, such as organs, are located in the joints.