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Flash cards
... scans show brain anatomy. a layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next. ...
... scans show brain anatomy. a layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next. ...
THE NEURON (Slides 4 to 14) • Based on the PowerPoint attached
... A neuron is resting when its membrane forms a partial barrier between the inside and outside of the neuron. The solution contains electrically charged particles called ions. When the neuron is at rest, there are more negative ions on the outside which is called the resting potential. A resting neuro ...
... A neuron is resting when its membrane forms a partial barrier between the inside and outside of the neuron. The solution contains electrically charged particles called ions. When the neuron is at rest, there are more negative ions on the outside which is called the resting potential. A resting neuro ...
Unit 3 Biology of Behavior The Neuron Dendrites: Tree
... frontal lobe is Broca's Area which controls our ability to speak. Parietal Lobes: Contain the somatosensory cortex which registers bodily sensations (touch). Temporal Lobes: Contain the primary auditory cortex (audition) and areas for the senses of smell (olfaction) and taste (gustatory sense). The ...
... frontal lobe is Broca's Area which controls our ability to speak. Parietal Lobes: Contain the somatosensory cortex which registers bodily sensations (touch). Temporal Lobes: Contain the primary auditory cortex (audition) and areas for the senses of smell (olfaction) and taste (gustatory sense). The ...
Autonomic nervous system
... The space between the axon terminals of one neuron and the dendrites of another neuron is called the synapse. A neuron transmits its impulses or message to another neuron across the synapse by releasing chemicals called neurotransmitters. ...
... The space between the axon terminals of one neuron and the dendrites of another neuron is called the synapse. A neuron transmits its impulses or message to another neuron across the synapse by releasing chemicals called neurotransmitters. ...
Reuptake, or re-uptake, is the reabsorption of a neurotransmitter by
... (1) What is the name for the neural reaction whereby, following repeated presentations, an organism learns to ignore a stimulus. Page 333. Habituation. (2) Name four areas of the brain which exhibit long-term potentiation. Page 337. Thalamus, motor cortex, cerebellum and amygdala. (3) If a drug is u ...
... (1) What is the name for the neural reaction whereby, following repeated presentations, an organism learns to ignore a stimulus. Page 333. Habituation. (2) Name four areas of the brain which exhibit long-term potentiation. Page 337. Thalamus, motor cortex, cerebellum and amygdala. (3) If a drug is u ...
Presynaptic Questions
... What ion is critical in vesicular release of NT? How might the role of this ion explain the proposed mechanism of the Lambert-Eaton Syndrome? Vesicular release of NTs is a Ca-dependent process o Ca++ results in the binding and opening of vesicles at the presynaptic membrane Lambert-Eaton Syndrome: a ...
... What ion is critical in vesicular release of NT? How might the role of this ion explain the proposed mechanism of the Lambert-Eaton Syndrome? Vesicular release of NTs is a Ca-dependent process o Ca++ results in the binding and opening of vesicles at the presynaptic membrane Lambert-Eaton Syndrome: a ...
The Importance of the Nervous System
... • Ca2+ ions actively pumped out of neurons • action potential in presynaptic neuron causes calcium channels to open • Ca2+ ions flow in and cause synaptic vesicles to fuse with plasma membrane ...
... • Ca2+ ions actively pumped out of neurons • action potential in presynaptic neuron causes calcium channels to open • Ca2+ ions flow in and cause synaptic vesicles to fuse with plasma membrane ...
Chapter 2
... Transmits information to and from the central nervous system All nerves and neurons that are not contained in the brain and spinal cord but that run through the body itself 1. Somatic nervous system - carries sensory info from the senses to CNS & from the CNS to the voluntary muscles. a) Sensory pat ...
... Transmits information to and from the central nervous system All nerves and neurons that are not contained in the brain and spinal cord but that run through the body itself 1. Somatic nervous system - carries sensory info from the senses to CNS & from the CNS to the voluntary muscles. a) Sensory pat ...
Ch 48 Notes - FacStaff Home Page for CBU
... Motor output leaves the brain or ganglia via motor neurons, which trigger muscle or gland activity ...
... Motor output leaves the brain or ganglia via motor neurons, which trigger muscle or gland activity ...
Lecture 25 (4/23/12) "Nerves III: The Chemical Synapse"
... At a cellular level, LTP enhances synaptic transmission. It improves the ability of two neurons, one presynaptic and the other postsynaptic, to communicate with one another across a synapse. The precise molecular mechanisms for this enhancement of transmission have not been fully established, in par ...
... At a cellular level, LTP enhances synaptic transmission. It improves the ability of two neurons, one presynaptic and the other postsynaptic, to communicate with one another across a synapse. The precise molecular mechanisms for this enhancement of transmission have not been fully established, in par ...
Document
... hundreds of other neurons via thousands of synaptic terminals – Some neurotransmitters excite the receiving cell – Other neurotransmitters inhibit the receiving cell's activity by decreasing its ability to develop action potentials – If excitatory signals are strong enough to initiate an action pote ...
... hundreds of other neurons via thousands of synaptic terminals – Some neurotransmitters excite the receiving cell – Other neurotransmitters inhibit the receiving cell's activity by decreasing its ability to develop action potentials – If excitatory signals are strong enough to initiate an action pote ...
Slide 1
... Some local interneurons do not generate action potentials because their axons are short. Some neurons do not have a steady resting potential and are spontaneously active. Neurons differ in the types and combinations of ion channels in their cell membranes. Neurons differ in their neurotransmitters r ...
... Some local interneurons do not generate action potentials because their axons are short. Some neurons do not have a steady resting potential and are spontaneously active. Neurons differ in the types and combinations of ion channels in their cell membranes. Neurons differ in their neurotransmitters r ...
the nervous system
... polarized cell: resting membrane potential (RMP): stimulus: electrically sensitive gated Na channels: ...
... polarized cell: resting membrane potential (RMP): stimulus: electrically sensitive gated Na channels: ...
Biology 30 NERVOUS SYSTEM - Salisbury Composite High School
... not occur at all. If the threshold is reached or exceeded a full action potential will ...
... not occur at all. If the threshold is reached or exceeded a full action potential will ...
Chapter 3 Biological Aspects of Psychology
... messengers called neurotransmitters. The neurotransmitter molecules diffuse across the synaptic cleft and bind to receptor sites on the postsynaptic neuron. A specific neurotransmitter can bind only to receptor sites that its molecular structure will fit into, much like a key must fit a lock. ...
... messengers called neurotransmitters. The neurotransmitter molecules diffuse across the synaptic cleft and bind to receptor sites on the postsynaptic neuron. A specific neurotransmitter can bind only to receptor sites that its molecular structure will fit into, much like a key must fit a lock. ...
Name - IB Bio Y2
... brain stem have irreversibly lost all neurological function”. The pupil reflex, along with other tests, is useful because it is a cranial reflex rather than a spinal reflex. Some spinal reflexes, such as the knee jerk reflex, may still be active during brain death because they do not rely on brain a ...
... brain stem have irreversibly lost all neurological function”. The pupil reflex, along with other tests, is useful because it is a cranial reflex rather than a spinal reflex. Some spinal reflexes, such as the knee jerk reflex, may still be active during brain death because they do not rely on brain a ...
Reflex Arc - TangHua2012-2013
... Pain killers such as Tylenol act as an enzyme to break down the neurotransmitter to decrease the pain impulse. A natural painkiller in the body is __________________________. An impulse can only travel across a synapse in one direction. Only the axon contains ______________________________________, ...
... Pain killers such as Tylenol act as an enzyme to break down the neurotransmitter to decrease the pain impulse. A natural painkiller in the body is __________________________. An impulse can only travel across a synapse in one direction. Only the axon contains ______________________________________, ...
Study Questions - Nervous System
... cerebrum, medulla oblongata, pons, thalamus, hypothalamus. Know the location and main function of each component. What would be the effect of damage individually to each of these components? (11.8) 36. The cerebral cortex is involved in many complex functions of the brain that require coordination o ...
... cerebrum, medulla oblongata, pons, thalamus, hypothalamus. Know the location and main function of each component. What would be the effect of damage individually to each of these components? (11.8) 36. The cerebral cortex is involved in many complex functions of the brain that require coordination o ...
Neurotransmitter Parameter Definitions
... Taurine is an inhibitory neurotransmitter involved in neuromodulatory and neuroprotective actions. Supplementing with taurine can have a specific effect on GABA function.There are two primary ways in which taurine affects GABA.; First, it can inhibit GABA transaminase, an enzyme that metabolizes GAB ...
... Taurine is an inhibitory neurotransmitter involved in neuromodulatory and neuroprotective actions. Supplementing with taurine can have a specific effect on GABA function.There are two primary ways in which taurine affects GABA.; First, it can inhibit GABA transaminase, an enzyme that metabolizes GAB ...
Lecture-08-2013-Bi
... . . . Both ideas are also in play for GABA or glycine receptors Swivel? Miyazawa, Nature ...
... . . . Both ideas are also in play for GABA or glycine receptors Swivel? Miyazawa, Nature ...
Neurotransmitters
... • Synthesized from glutamate by GAD (glutamic acid decarboxylase) • Inactivation = reuptake by nerve terminals for reuse and by glia, where it undergoes conversion to glutamine, return to neuron terminal (where it can be reconverted to Glu and then to GABA) ...
... • Synthesized from glutamate by GAD (glutamic acid decarboxylase) • Inactivation = reuptake by nerve terminals for reuse and by glia, where it undergoes conversion to glutamine, return to neuron terminal (where it can be reconverted to Glu and then to GABA) ...