![Chapter 2](http://s1.studyres.com/store/data/006439899_1-7bf2c874c214b1ea799741af8d5e44ac-300x300.png)
Chapter 2
... • Action potential occurs when the membrane potential rapidly shifts from -70 to +40 mV – Ion channels open in the membrane, allowing sodium ions to enter the axon – Sodium entry shifts the membrane potential toward a ...
... • Action potential occurs when the membrane potential rapidly shifts from -70 to +40 mV – Ion channels open in the membrane, allowing sodium ions to enter the axon – Sodium entry shifts the membrane potential toward a ...
The Nervous System
... • Membrane potentials arise from differences in ion concentrations between a cell’s contents and the extracellular fluid. • An action potential is an all-or-none change in the membrane potential. • Action potentials travel along an axon because they are self-propagating. • Chemical or electrical com ...
... • Membrane potentials arise from differences in ion concentrations between a cell’s contents and the extracellular fluid. • An action potential is an all-or-none change in the membrane potential. • Action potentials travel along an axon because they are self-propagating. • Chemical or electrical com ...
How Neurons Talk to Each Other
... energy, which is provided by another protein molecule, proton ATPase (V-ATPase), that pumps protons into the vesicles – a process that is fuelled by adenosine triphosphate (ATP). The pumps, in turn, use the resulting concentration gradient for the uptake of neurotransmitters. In addition to these pr ...
... energy, which is provided by another protein molecule, proton ATPase (V-ATPase), that pumps protons into the vesicles – a process that is fuelled by adenosine triphosphate (ATP). The pumps, in turn, use the resulting concentration gradient for the uptake of neurotransmitters. In addition to these pr ...
File
... B) automatic response to sensory input. C) neural network. D) junction between a sending neuron and a receiving neuron. E) neural cable containing many axons. ...
... B) automatic response to sensory input. C) neural network. D) junction between a sending neuron and a receiving neuron. E) neural cable containing many axons. ...
6.2 Transmission of Nerve Impulses
... 2. If stimulus is received it must reach a critical voltage before it will have an effect on the neuron - Once critical voltage is reached, gated channels in the neuron’s membrane open and sodium ions (NA+) rush into the cell . The net effect is depolarization of the membrane (more positive charge i ...
... 2. If stimulus is received it must reach a critical voltage before it will have an effect on the neuron - Once critical voltage is reached, gated channels in the neuron’s membrane open and sodium ions (NA+) rush into the cell . The net effect is depolarization of the membrane (more positive charge i ...
Neuroscience in PT: Introduction and Review
... drugs) in reasonable concentration, it mimics the action of the endogenously released neurotransmitter exactly. It activates the same ion channels or second messenger system in the postsynaptic cell. Some define neurotransmitters to include neuromodulators that act away from the synaptic cleft (Blu ...
... drugs) in reasonable concentration, it mimics the action of the endogenously released neurotransmitter exactly. It activates the same ion channels or second messenger system in the postsynaptic cell. Some define neurotransmitters to include neuromodulators that act away from the synaptic cleft (Blu ...
The Nervous System
... 2. This action potential opens a Na/K pump (6) in the cell membrane. Na+ ions enter neuron. 3. Build up of Na+ ions signals the opening of another channel, a Ca2+ (3). 4. The Calcium ions bond to the neurotransmitters (2) and force them to release their contents into the synaptic gap. (7) 5. The neu ...
... 2. This action potential opens a Na/K pump (6) in the cell membrane. Na+ ions enter neuron. 3. Build up of Na+ ions signals the opening of another channel, a Ca2+ (3). 4. The Calcium ions bond to the neurotransmitters (2) and force them to release their contents into the synaptic gap. (7) 5. The neu ...
The Nervous System
... Epilepsy – Epilepsy is a brain disorder in which clusters of nerve cells, or neurons, in the brain sometimes signal abnormally. In epilepsy, the normal pattern of neuronal activity becomes disturbed, causing strange sensations, emotions, and behavior or sometimes convulsions, muscle spasms, and los ...
... Epilepsy – Epilepsy is a brain disorder in which clusters of nerve cells, or neurons, in the brain sometimes signal abnormally. In epilepsy, the normal pattern of neuronal activity becomes disturbed, causing strange sensations, emotions, and behavior or sometimes convulsions, muscle spasms, and los ...
LO #1
... Action potentials are the basic unit of signaling in the central nervous system (CNS). Neurons are complex organs (computers?) that receive signals from many other neurons; summation of excitation and inhibition by postsynaptic neurons permits a neuron to integrate the electrical information provide ...
... Action potentials are the basic unit of signaling in the central nervous system (CNS). Neurons are complex organs (computers?) that receive signals from many other neurons; summation of excitation and inhibition by postsynaptic neurons permits a neuron to integrate the electrical information provide ...
11: Fundamentals of the Nervous System and Nervous Tissue
... Parallel processing results in inputs stimulating many pathways simultaneously, and is vital to higher level mental functioning. ...
... Parallel processing results in inputs stimulating many pathways simultaneously, and is vital to higher level mental functioning. ...
Non- directed synapses
... The small gap or space between the axon terminals of one neuron and the dendrites or cell body of the next neuron is called the Synapse . ...
... The small gap or space between the axon terminals of one neuron and the dendrites or cell body of the next neuron is called the Synapse . ...
Introduction to Cellular and Molecular Neurobiology (and what it`s for).
... For communication between neurons to occur, an electrical impulse must first travel down an axon to the synaptic terminal. ...
... For communication between neurons to occur, an electrical impulse must first travel down an axon to the synaptic terminal. ...
CNS Brain 241North
... movements with current body position to produce smooth, exact movement • Involved in learning new balance-intensive activities – Riding a bike, yoga, climbing ...
... movements with current body position to produce smooth, exact movement • Involved in learning new balance-intensive activities – Riding a bike, yoga, climbing ...
Chapter 10
... 14. Define synapse. The ends of axons and dendrite are not directly connected to other neurons or effects. Instead, they terminate very close to them, leaving a space. The terminal end of the axon is called a presynaptic terminal and it communicates with a postsynaptic neuron. This “connection” is c ...
... 14. Define synapse. The ends of axons and dendrite are not directly connected to other neurons or effects. Instead, they terminate very close to them, leaving a space. The terminal end of the axon is called a presynaptic terminal and it communicates with a postsynaptic neuron. This “connection” is c ...
Chapter 2 - Biological Basis of Behavior
... Cells that insulate and support neurons Create the myelin sheath ...
... Cells that insulate and support neurons Create the myelin sheath ...
Nervous System
... directly via gap junctions • How is an action potential propagated between synpases that do not use gap junctions to directly send the impulse? • Chemicals called neurotransmitters are used ...
... directly via gap junctions • How is an action potential propagated between synpases that do not use gap junctions to directly send the impulse? • Chemicals called neurotransmitters are used ...
Nerve Cell Signaling - Mr. Moore`s Web Page
... How does a nerve work • Watch each of the videos that follow. Use the videos to describe the process of depolarization. Try to do it in a series of steps. You can also use other web sites to help you in this process. You might want to use the picture on slide 9 to help you describe the process. Wri ...
... How does a nerve work • Watch each of the videos that follow. Use the videos to describe the process of depolarization. Try to do it in a series of steps. You can also use other web sites to help you in this process. You might want to use the picture on slide 9 to help you describe the process. Wri ...
Fundamentals of the Nervous System and Nervous Tissue
... inside and outside the body – Integration – interpretation of sensory input – Motor output – response to stimuli by activating ...
... inside and outside the body – Integration – interpretation of sensory input – Motor output – response to stimuli by activating ...
2015-2016_1Semester_Exam2_140116
... Plasma membrane transporters participate in their recycling: ...
... Plasma membrane transporters participate in their recycling: ...