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PNS Terminology
... • 3. comparing the command (intention and movement) with sensory information • 4. correction – to UMNs – travels via the thalamus to the UMNs in the cerebral cortex – or can go directly to the UMNs in the brain stem ...
... • 3. comparing the command (intention and movement) with sensory information • 4. correction – to UMNs – travels via the thalamus to the UMNs in the cerebral cortex – or can go directly to the UMNs in the brain stem ...
E4-D5-12
... E4-D5-12 Generally, the following Cranial Nerves have Somatic Motor Function or ANS Parasympathetic Motor Function (table 15.7 on text page 472) Cranial Nerve ...
... E4-D5-12 Generally, the following Cranial Nerves have Somatic Motor Function or ANS Parasympathetic Motor Function (table 15.7 on text page 472) Cranial Nerve ...
PNS Terminology
... – Interneurons that provide input to the local circuit and LMNs – essential for planning, initiating and directing sequences of voluntary movements – extend from the brain to the LMNs via two types of somatic motor pathways • 1. direct motor pathways: nerve impulses for precise voluntary movement – ...
... – Interneurons that provide input to the local circuit and LMNs – essential for planning, initiating and directing sequences of voluntary movements – extend from the brain to the LMNs via two types of somatic motor pathways • 1. direct motor pathways: nerve impulses for precise voluntary movement – ...
File
... that are sensitive to a particular stimuli such as heat, pressure or light called Receptors. • Messages are sent as an electrical impulse along the neuron. • This carries the messages from the axon of one neuron to the dendrite of the next ...
... that are sensitive to a particular stimuli such as heat, pressure or light called Receptors. • Messages are sent as an electrical impulse along the neuron. • This carries the messages from the axon of one neuron to the dendrite of the next ...
SOMATOSENSORY SYSTEMS
... A: Receptive fields. Size and locations of the receptive fields of 15 sensory units, determined by recording from the median nerve. All of these sensory units were rapidly adapting and were most likely conducting from Meissner-corpuscles. Within each receptive fields there are many Meissner corpuscl ...
... A: Receptive fields. Size and locations of the receptive fields of 15 sensory units, determined by recording from the median nerve. All of these sensory units were rapidly adapting and were most likely conducting from Meissner-corpuscles. Within each receptive fields there are many Meissner corpuscl ...
The movement, the motor system, muscles and nervous – part 2
... o Highly specialized cells in electrical signaling over long distances. ...
... o Highly specialized cells in electrical signaling over long distances. ...
Unit B6 Key Words
... Cells that detect changes in the environment The long tine part of a neuron Tissues and organs in the body that control the body’s responses to stimuli A set of nerve impulses that causes a reflex action Made up of the brain and spinal cord ...
... Cells that detect changes in the environment The long tine part of a neuron Tissues and organs in the body that control the body’s responses to stimuli A set of nerve impulses that causes a reflex action Made up of the brain and spinal cord ...
The Nervous System - riverridge210.org
... 4. Most important feature is there are small nodes or gaps in thy myelin allowing the impulse to jump from note to node instead of moving along the membrane. Jumping greatly increases the speed of the impulse. 5. The minimum level of a stimulus that is required to activate a neuron is called a thre ...
... 4. Most important feature is there are small nodes or gaps in thy myelin allowing the impulse to jump from note to node instead of moving along the membrane. Jumping greatly increases the speed of the impulse. 5. The minimum level of a stimulus that is required to activate a neuron is called a thre ...
Myocyte enhancer factor-2D expression in ALS lymphomonocytes
... Introduction: Myocyte enhancer factor-2 (MEF2) is a family of transcription factors promoting muscle differentiation and development. However, MEF2 is also critical for adult muscle function, regulating both fibre-type specification and sarcomere integrity. ...
... Introduction: Myocyte enhancer factor-2 (MEF2) is a family of transcription factors promoting muscle differentiation and development. However, MEF2 is also critical for adult muscle function, regulating both fibre-type specification and sarcomere integrity. ...
Central Nervous System (CNS)
... involved early surgery to sever the connections between the right and left hemispheres of the brain ...
... involved early surgery to sever the connections between the right and left hemispheres of the brain ...
chapt07_lecture
... e. Needed for the formation of synapses in the CNS f. Regulate neurogenesis in regions of the adult brain g. Form the blood-brain barrier h. Release transmitter molecules (gliotransmitters) that can stimulate or inhibit neurons; includes glutamate, ATP, adenosine, D-serine ...
... e. Needed for the formation of synapses in the CNS f. Regulate neurogenesis in regions of the adult brain g. Form the blood-brain barrier h. Release transmitter molecules (gliotransmitters) that can stimulate or inhibit neurons; includes glutamate, ATP, adenosine, D-serine ...
Chapter 6
... Receptor cell releases chemical messenger Chemical messenger opens ion channels in afferent neuron AP generating region If threshold reached, AP is generated . ...
... Receptor cell releases chemical messenger Chemical messenger opens ion channels in afferent neuron AP generating region If threshold reached, AP is generated . ...
Study Guide Solutions - Elsevier: Baars and Gage
... Re-entrant loops are equivalent to neural networks with two or more layers (Figure 3.11). Edelman (1989) and colleagues have particularly emphasized re-entrant processing as a basic feature of the brain. From this point of view the brain is a vast collection of mutually echoing maps and arrays. 8. W ...
... Re-entrant loops are equivalent to neural networks with two or more layers (Figure 3.11). Edelman (1989) and colleagues have particularly emphasized re-entrant processing as a basic feature of the brain. From this point of view the brain is a vast collection of mutually echoing maps and arrays. 8. W ...
Review 3 ____ 1. The cells that provide structural support and
... continuously b. fewer action potentials would occur in her nervous system c. more neurotransmitters would be produced in her terminal buttons d. glial cells would start to degenerate and die ...
... continuously b. fewer action potentials would occur in her nervous system c. more neurotransmitters would be produced in her terminal buttons d. glial cells would start to degenerate and die ...
Lecture3
... over long distances to other cells. • Sensory neurons carry information from sense organs to the central nervous system. • Motor neurons carry information from the CNS to muscles ...
... over long distances to other cells. • Sensory neurons carry information from sense organs to the central nervous system. • Motor neurons carry information from the CNS to muscles ...
The Nervous System
... Threshold: the level of stimulation required to trigger a neural impulse. Synapse: the junction between the terminal branch of the synaptic gap. Synaptic gap/synaptic cleft: the tiny gap at the synapse in which neurotransmitters cross. Neurotransmitters: chemical messengers that cross the synaptic ...
... Threshold: the level of stimulation required to trigger a neural impulse. Synapse: the junction between the terminal branch of the synaptic gap. Synaptic gap/synaptic cleft: the tiny gap at the synapse in which neurotransmitters cross. Neurotransmitters: chemical messengers that cross the synaptic ...
NEURONS, SENSE ORGANS, AND NERVOUS SYSTEMS
... cell membrane, similar to the insulators of a power cord. • In brain and spinal cord, this glial wrap around the axons is called Oligodendrocytes • Schwann cells insulate axons in nerves outside of these areas. • The glial membranes form a electrically nonconductive sheath called myelin. • Myelin-co ...
... cell membrane, similar to the insulators of a power cord. • In brain and spinal cord, this glial wrap around the axons is called Oligodendrocytes • Schwann cells insulate axons in nerves outside of these areas. • The glial membranes form a electrically nonconductive sheath called myelin. • Myelin-co ...
Nervous System – Ch 7
... Microglial cells: scattered through CNS; support neurons and phagocytize bacterial cells and cell debris Oligodendrocytes: occur in nerve fibers; provide myelin around axons in brain and spinal cord Astrocytes: found between neurons and blood vessels; provide structural support, join parts, regulate ...
... Microglial cells: scattered through CNS; support neurons and phagocytize bacterial cells and cell debris Oligodendrocytes: occur in nerve fibers; provide myelin around axons in brain and spinal cord Astrocytes: found between neurons and blood vessels; provide structural support, join parts, regulate ...
PET (positron emission tomography): measures the different levels
... Threshold: the level of stimulation required to trigger a neural impulse. Synapse: the junction between the terminal branch of the synaptic gap. Synaptic gap/synaptic cleft: the tiny gap at the synapse in which neurotransmitters cross. Neurotransmitters: chemical messengers that cross the synaptic g ...
... Threshold: the level of stimulation required to trigger a neural impulse. Synapse: the junction between the terminal branch of the synaptic gap. Synaptic gap/synaptic cleft: the tiny gap at the synapse in which neurotransmitters cross. Neurotransmitters: chemical messengers that cross the synaptic g ...
October 25
... Sour Savory (umami) – associated with proteins and found in meat (MSG – monosodium glutamate). ...
... Sour Savory (umami) – associated with proteins and found in meat (MSG – monosodium glutamate). ...
Nervous System WS (handed out after section exam)
... f. What part of the neuron is usually wrapped in myelin sheath? The myelin sheath is responsible for saltatory conduction / transmission. This is where the electrical impulses jump from one node of Ranvier to the next node. This increases the speed of the nerve impulse. The speed increases becau ...
... f. What part of the neuron is usually wrapped in myelin sheath? The myelin sheath is responsible for saltatory conduction / transmission. This is where the electrical impulses jump from one node of Ranvier to the next node. This increases the speed of the nerve impulse. The speed increases becau ...
Note 11
... - Hormones are produced by ductless gland (known as endocrine gland) and secreted into the blood capillary (its secretion will increase when there is a specific stimulation) - Blood carries the hormones around the body - Specific target organ(s) take(s) up the specific hormones, other organs are NOT ...
... - Hormones are produced by ductless gland (known as endocrine gland) and secreted into the blood capillary (its secretion will increase when there is a specific stimulation) - Blood carries the hormones around the body - Specific target organ(s) take(s) up the specific hormones, other organs are NOT ...
Handout muscles
... tendons (connective tissue comprised almost entirely of collagen) Muscles can only produce contraction. Therefore at least two muscles of sets of muscles must be used to move a bone into one position and back again (called antagonistic muscles) e.g., biceps and triceps. In order for the CNS to co-or ...
... tendons (connective tissue comprised almost entirely of collagen) Muscles can only produce contraction. Therefore at least two muscles of sets of muscles must be used to move a bone into one position and back again (called antagonistic muscles) e.g., biceps and triceps. In order for the CNS to co-or ...