NUTS AND BOLTS to get started
... • Thousands of connections where one neuron may interact (communicate) with other neurons. ...
... • Thousands of connections where one neuron may interact (communicate) with other neurons. ...
From Vision to Movement
... occipital cortex, movement in frontal cortex, and parietal cortex is involved in the transformation from vision to action. However, things are not that simple. For example, frontal cortex neurons often carry visual signals, and some occipital areas may code the direction of movement rather than the ...
... occipital cortex, movement in frontal cortex, and parietal cortex is involved in the transformation from vision to action. However, things are not that simple. For example, frontal cortex neurons often carry visual signals, and some occipital areas may code the direction of movement rather than the ...
Document
... Action potential is a digital one-way electrical pulse from axon initial segment to axon terminus Neurons can fire action potentials repetitively at frequencies up to 200 pulses/sec There are 10 billion neurons in the human nervous system ...
... Action potential is a digital one-way electrical pulse from axon initial segment to axon terminus Neurons can fire action potentials repetitively at frequencies up to 200 pulses/sec There are 10 billion neurons in the human nervous system ...
04 Physiology of large hemispheres, cerebellum
... As a person ages, there’s a gradual decline in sensory function because the number of sensory neurons declines, the function of remaining neurons decreases, and CNS processing decreases. In the skin, free nerve endings and hair follicle receptors remain largely unchanged with age. Meissner’s corpusc ...
... As a person ages, there’s a gradual decline in sensory function because the number of sensory neurons declines, the function of remaining neurons decreases, and CNS processing decreases. In the skin, free nerve endings and hair follicle receptors remain largely unchanged with age. Meissner’s corpusc ...
Audition and Equilibrium
... stimulated…which set of sensory axons have action potentials • Intensity coded by degree of displacement of stereocilia of hair cells and ultimately the frequency of action potentials in those axons that are active ...
... stimulated…which set of sensory axons have action potentials • Intensity coded by degree of displacement of stereocilia of hair cells and ultimately the frequency of action potentials in those axons that are active ...
Visceral Nervous System
... RADICULAR NEURONS: they form the anterior roots. In the spinal cord the cell body is in the anterior horn of the grey metter; in the brain stem in motor nuclei. FASCICULAR NEURONS: they represent the second neuron of a sensory pathway. In the spinal cord the cell body is in the posterior horn of the ...
... RADICULAR NEURONS: they form the anterior roots. In the spinal cord the cell body is in the anterior horn of the grey metter; in the brain stem in motor nuclei. FASCICULAR NEURONS: they represent the second neuron of a sensory pathway. In the spinal cord the cell body is in the posterior horn of the ...
Brain lateralisation: a question of spatial frequency?
... hyperpolarised (less likely to generate an action potential) ...
... hyperpolarised (less likely to generate an action potential) ...
Document
... Nerves are thin threads of neurons. Bundled together and carry messages like a telephone wire. Sensory nerves send messages to the brain and generally connect to the brain to all the muscles and glands in the body. When neurons are stimulated by heat, cold, touch, sound vibration, or some other mes ...
... Nerves are thin threads of neurons. Bundled together and carry messages like a telephone wire. Sensory nerves send messages to the brain and generally connect to the brain to all the muscles and glands in the body. When neurons are stimulated by heat, cold, touch, sound vibration, or some other mes ...
Electrodes for stimulation
... Bioelectromagnetic system. An electrocardiogram (ECG), which is used to diagnose the control signals of the heart, is a mapping of the electrical voltages produced by the heart on the surface of the body. ...
... Bioelectromagnetic system. An electrocardiogram (ECG), which is used to diagnose the control signals of the heart, is a mapping of the electrical voltages produced by the heart on the surface of the body. ...
CNS
... • Cerebral Cortex – Motor Association Area of Brain initiates intention to move – Neurons make up program for sequence and intensity of contractions – Program then sent to Primary motor area (primary motor cortex) – Impulses then sent to lower centres in brain and spinal cord- result being contracti ...
... • Cerebral Cortex – Motor Association Area of Brain initiates intention to move – Neurons make up program for sequence and intensity of contractions – Program then sent to Primary motor area (primary motor cortex) – Impulses then sent to lower centres in brain and spinal cord- result being contracti ...
Final answers - Center for Neural Science
... Part II. Multiple Choice (1.5 points each). Write your name and fill in the circles using a #2 pencil on the accompanying scantron card. 1) In the study of perceptual processes, the term “transduction” is defined to be a) temporal patterning of nerve impulses. b) neural processing. c) the conversio ...
... Part II. Multiple Choice (1.5 points each). Write your name and fill in the circles using a #2 pencil on the accompanying scantron card. 1) In the study of perceptual processes, the term “transduction” is defined to be a) temporal patterning of nerve impulses. b) neural processing. c) the conversio ...
Skeletal, Muscular, Integumentary and Nervous Systems
... Describe a reflex arc. Does it involve the brain or the spinal cord? Voluntary or involuntary? ...
... Describe a reflex arc. Does it involve the brain or the spinal cord? Voluntary or involuntary? ...
nervous_system_-_cns_and_pns_part_2_-_2015
... A central canal holds cerebrospinal fluid. Gray matter of the spinal cord forms an “H” and contains neurons White matter consists of nerve fibers called “tracts” to and from the brain ...
... A central canal holds cerebrospinal fluid. Gray matter of the spinal cord forms an “H” and contains neurons White matter consists of nerve fibers called “tracts” to and from the brain ...
Ch 8 Nervous System Test 1. In a neuron, short, branching
... a. may branch to form collateral axons. b. have an axon hillock which is devoid of nissl bodies. c. are often surrounded by a myelin sheath. d. carry action potentials away from the cell body. e. have all of these characteristics. 3. Which of these is NOT a type of neuroglia cell? a. astrocyte b. mi ...
... a. may branch to form collateral axons. b. have an axon hillock which is devoid of nissl bodies. c. are often surrounded by a myelin sheath. d. carry action potentials away from the cell body. e. have all of these characteristics. 3. Which of these is NOT a type of neuroglia cell? a. astrocyte b. mi ...
Document
... • What are the 2 divisions of the nervous system? • Name as many parts of a neuron that you can remember. • What are the 3 main functions of the nervous system? ...
... • What are the 2 divisions of the nervous system? • Name as many parts of a neuron that you can remember. • What are the 3 main functions of the nervous system? ...
Central Nervous System
... The junction between 2 neurons or between a neuron and a receptor is the synapse. ...
... The junction between 2 neurons or between a neuron and a receptor is the synapse. ...
m5zn_363798b57fd4c88
... 1. It receive sensory or afferent impulses from all parts of the body, through the sensory pathway. 2. It is able to send out motor or afferent impulse from all parts of the body, through the motor pathway , which has two tracts: pyramidal(corticospinal) tract, which may be two kinds : straight or c ...
... 1. It receive sensory or afferent impulses from all parts of the body, through the sensory pathway. 2. It is able to send out motor or afferent impulse from all parts of the body, through the motor pathway , which has two tracts: pyramidal(corticospinal) tract, which may be two kinds : straight or c ...
（一）Functional Anatomy of the Retina
... The membrane of the receptor region is, however, electrically inexcitable; it contains no voltage-gated ionic channels and does not generate spikes. If the receptor region generated action potentials, the graded nature of the generator potential would be destroyed because as soon as the generator p ...
... The membrane of the receptor region is, however, electrically inexcitable; it contains no voltage-gated ionic channels and does not generate spikes. If the receptor region generated action potentials, the graded nature of the generator potential would be destroyed because as soon as the generator p ...
No Slide Title
... What acts as a relay station for information going to the cerebrum (sensory information) is the __________. ...
... What acts as a relay station for information going to the cerebrum (sensory information) is the __________. ...
doc psych 100 review summary
... The subject becomes aware of the present and re-interprets it. Experiental: ...
... The subject becomes aware of the present and re-interprets it. Experiental: ...
Chapter 6
... Three types of receptors (nociceptors) - mechanical, thermal, polymodal. All are naked nerve endings and do not adapt. All can be sensitized by prostaglandins (increase pain). Prostaglandins derived from lipid bilayer of membrane released from damaged tissues Mechanical (crushing, cutting, pinching) ...
... Three types of receptors (nociceptors) - mechanical, thermal, polymodal. All are naked nerve endings and do not adapt. All can be sensitized by prostaglandins (increase pain). Prostaglandins derived from lipid bilayer of membrane released from damaged tissues Mechanical (crushing, cutting, pinching) ...
psych mod 4 terms
... sounds into words and arranging words into meaningful sentences. Damage to this area results in Broca’s Aphasia, which means a person cannot speak in fluent sentences but can understand written and spoken words. 34. Wernicke’s Area- which is usually located in the left temporal lobe, is necessary fo ...
... sounds into words and arranging words into meaningful sentences. Damage to this area results in Broca’s Aphasia, which means a person cannot speak in fluent sentences but can understand written and spoken words. 34. Wernicke’s Area- which is usually located in the left temporal lobe, is necessary fo ...