Sample Take-home Final Exam
... (8 pts) For each sensory system, please name and describe the sensory receptor cell(s) that transduce the stimulus into a neural signal. Indicate whether this cell is a neuron or is not a neuron. Indicate what type of receptor it is: photoreceptor, mechanoreceptor, free nerve ending, thermoreceptor, ...
... (8 pts) For each sensory system, please name and describe the sensory receptor cell(s) that transduce the stimulus into a neural signal. Indicate whether this cell is a neuron or is not a neuron. Indicate what type of receptor it is: photoreceptor, mechanoreceptor, free nerve ending, thermoreceptor, ...
Afferent (Sensory) Division Part 1
... spinal cord or brain stem Second-order neurons – soma reside in the dorsal horn of the spinal cord or medullary nuclei and transmit impulses to the thalamus or cerebellum Third-order neurons – located in the thalamus and conduct impulses to the somatosensory cortex of the cerebrum ...
... spinal cord or brain stem Second-order neurons – soma reside in the dorsal horn of the spinal cord or medullary nuclei and transmit impulses to the thalamus or cerebellum Third-order neurons – located in the thalamus and conduct impulses to the somatosensory cortex of the cerebrum ...
The Peripheral Nervous System
... from the cord and exit through the openings between the stacked vertebrae of the vertebral column ...
... from the cord and exit through the openings between the stacked vertebrae of the vertebral column ...
Optogenetics for Studying the Spinal Control of Movement
... McGovern Institute for Brain Research, MIT Actions are the means by which we interact with the world around us. The capacity for voluntary action relies on complex motor circuits involving both cortical/subcortical areas and the spinal cord. Motor commands generated in cortical and sub-cortical moto ...
... McGovern Institute for Brain Research, MIT Actions are the means by which we interact with the world around us. The capacity for voluntary action relies on complex motor circuits involving both cortical/subcortical areas and the spinal cord. Motor commands generated in cortical and sub-cortical moto ...
Brain 1
... The record indicates the rate of nerve firing measured in the postsynaptic neuron due to this initial experience. (b) After continued firing occurs due to repetitions of the experience, structural changes at the synapse occur that result in increased firing to the same stimulus. These changes in the ...
... The record indicates the rate of nerve firing measured in the postsynaptic neuron due to this initial experience. (b) After continued firing occurs due to repetitions of the experience, structural changes at the synapse occur that result in increased firing to the same stimulus. These changes in the ...
Homeostasis and Behavior
... external stimulus – stimulus coming from outside an organism. internal stimulus – a stimulus coming from inside an organism. When a stimulus is detected, the nervous system gathers the information. Then it decides how to respond quick – nerve impulses slow - hormones taxis – an animal’s movement tow ...
... external stimulus – stimulus coming from outside an organism. internal stimulus – a stimulus coming from inside an organism. When a stimulus is detected, the nervous system gathers the information. Then it decides how to respond quick – nerve impulses slow - hormones taxis – an animal’s movement tow ...
7. The Nervous System Identify the major structures and areas of the
... Light à electrical signals • Photons absorbed by rods and cones • Phototransduction – opsin turns the photons into electrochemical signals which are sent to the optic nerve then brain • Vitamin A (coupled with opsin) aborbs the light à changes structure à separates from opsin àelectrical ...
... Light à electrical signals • Photons absorbed by rods and cones • Phototransduction – opsin turns the photons into electrochemical signals which are sent to the optic nerve then brain • Vitamin A (coupled with opsin) aborbs the light à changes structure à separates from opsin àelectrical ...
Biology 360: Motor Behaviors and Review 1) What is a central
... 1) What is a central pattern generator and describe one example that was discussed in class? The central pattern generator is a group of neurons that act as a network to produce rhythmic patterned outputs with little or no sensory feedback. Two examples discussed in class came from Tritonia (the sea ...
... 1) What is a central pattern generator and describe one example that was discussed in class? The central pattern generator is a group of neurons that act as a network to produce rhythmic patterned outputs with little or no sensory feedback. Two examples discussed in class came from Tritonia (the sea ...
Central Nervous System
... w/ cerebral peduncles ___________________: Righting reflexes Superior colliculi: visual reflex center Inferior colliculi: auditory reflex center ______________________: pigmented neurons in motor fxn and produces the precursor for the neurotransmitter ______________ ...
... w/ cerebral peduncles ___________________: Righting reflexes Superior colliculi: visual reflex center Inferior colliculi: auditory reflex center ______________________: pigmented neurons in motor fxn and produces the precursor for the neurotransmitter ______________ ...
Text 4-Nervous system: Organization and Physiology
... Remember the synapse … when the action potential arrives at the axon terminals … The synapse is the point of communication between two neurons. Chemical synapses have a synaptic cleft (about 10 – 20 nm wide) and neurotransmitter diffuses across the cleft to bind to receptors on the postsynaptic neu ...
... Remember the synapse … when the action potential arrives at the axon terminals … The synapse is the point of communication between two neurons. Chemical synapses have a synaptic cleft (about 10 – 20 nm wide) and neurotransmitter diffuses across the cleft to bind to receptors on the postsynaptic neu ...
unit 2 – nervous system / senses - Greater Atlanta Christian Schools
... -“polarized” b/c of electrical charge difference that exists on each side of the cell membrane - inside cell: -ve ; high amt. of K+ - outside cell: +ve; high amt of Na+ - cell membrane permeability K+ > Na+ - Na+/ K+ exchange pump maintains RMP 3. Stimulated Neuron (action potential) a. nerve (e ...
... -“polarized” b/c of electrical charge difference that exists on each side of the cell membrane - inside cell: -ve ; high amt. of K+ - outside cell: +ve; high amt of Na+ - cell membrane permeability K+ > Na+ - Na+/ K+ exchange pump maintains RMP 3. Stimulated Neuron (action potential) a. nerve (e ...
Control of Motor Movement
... Receptor – detects stimulus Sensory neuron – relays info to CNS Integration – may be monosynaptic or polysynaptic Motor neuron – carries response away form CNS to ...
... Receptor – detects stimulus Sensory neuron – relays info to CNS Integration – may be monosynaptic or polysynaptic Motor neuron – carries response away form CNS to ...
(with Perception 6
... physical stimuli are translated into a psychological experience • As a school of thought, psychophysics was pioneered by Gustav Fechner (right) in 1860. • Fechner’s set out to “develop a method that relates matter to the mind, connecting the publically observable world and a person’s privately exper ...
... physical stimuli are translated into a psychological experience • As a school of thought, psychophysics was pioneered by Gustav Fechner (right) in 1860. • Fechner’s set out to “develop a method that relates matter to the mind, connecting the publically observable world and a person’s privately exper ...
Chapter 17: Nervous System - Johnston Community College
... The nervous system uses the nerve impulse to convey information. The nature of a nerve impulse has been studied by using excised axons and a voltmeter called an oscilloscope. Voltage (in millivolts, mV) measures the electrical potential difference between the inside and outside of the axon. ...
... The nervous system uses the nerve impulse to convey information. The nature of a nerve impulse has been studied by using excised axons and a voltmeter called an oscilloscope. Voltage (in millivolts, mV) measures the electrical potential difference between the inside and outside of the axon. ...
Nervous System (Human): Introduction
... The nervous system controls and correlates basic bodily functions and behavior. There are two main parts: the central nervous system (brain and spinal cord) and the peripheral nervous system (cranial nerves, spinal nerves, and the nerves of the autonomic nervous system). Neurons These basic units of ...
... The nervous system controls and correlates basic bodily functions and behavior. There are two main parts: the central nervous system (brain and spinal cord) and the peripheral nervous system (cranial nerves, spinal nerves, and the nerves of the autonomic nervous system). Neurons These basic units of ...
Nervous Sys Learning targets
... 1. List the basic functions of the nervous system 2. draw a concept map to show the structural and functional divisions of the nervous system 3. List the types of neuroglia and cite their functions ...
... 1. List the basic functions of the nervous system 2. draw a concept map to show the structural and functional divisions of the nervous system 3. List the types of neuroglia and cite their functions ...
Chapter 11 The Nervous System
... The cerebral hemispheres function in integration, sensory reception, and motor action. – The cerebrum with its two cerebral hemispheres is the largest part of the brain. – The outer layer of each hemisphere is the cortex. – The cerebral cortex consists of many discrete functional regions including m ...
... The cerebral hemispheres function in integration, sensory reception, and motor action. – The cerebrum with its two cerebral hemispheres is the largest part of the brain. – The outer layer of each hemisphere is the cortex. – The cerebral cortex consists of many discrete functional regions including m ...
The Structures of the Brain
... • Received and understood by Wernicke’s area • Sent to Broca’s area • Controls motor cortex to pronounce words • Brain computes word form, sound and meaning in different areas (Posner and Carr ...
... • Received and understood by Wernicke’s area • Sent to Broca’s area • Controls motor cortex to pronounce words • Brain computes word form, sound and meaning in different areas (Posner and Carr ...
Nervous System - Belle Vernon Area School District
... 1. Thalamus - relay station for sensory impulses (except smell) entering the brain. 2. Epithalamus – pineal body (puberty) 2. Hypothalamus - Primary control for the autonomic nervous system (homeostasis). a. Thermostat control for body temp b. regulates food & water uptake c. maintain walking & slee ...
... 1. Thalamus - relay station for sensory impulses (except smell) entering the brain. 2. Epithalamus – pineal body (puberty) 2. Hypothalamus - Primary control for the autonomic nervous system (homeostasis). a. Thermostat control for body temp b. regulates food & water uptake c. maintain walking & slee ...
Human Lateral Geniculate Nucleus and Visual Cortex Respond to
... by the screen flicker and is not an electromagnetic artifact. This signal presents the electrophysiological characteristics of the SSVEPs usually evoked by repeated flashed stimuli. Indeed, these oscillations are phase-locked to the periodic stimulus, as they are best observed on the averaged evoked ...
... by the screen flicker and is not an electromagnetic artifact. This signal presents the electrophysiological characteristics of the SSVEPs usually evoked by repeated flashed stimuli. Indeed, these oscillations are phase-locked to the periodic stimulus, as they are best observed on the averaged evoked ...
Chapter 28: Nervous System
... in CNS, muscles, and most other organs. Require neurotransmitters: Chemicals that convey messages from one neuron to another. Transmitting neuron releases neurotransmitters which cross synapse and cause an action potential in the receiving neuron. ...
... in CNS, muscles, and most other organs. Require neurotransmitters: Chemicals that convey messages from one neuron to another. Transmitting neuron releases neurotransmitters which cross synapse and cause an action potential in the receiving neuron. ...