The Auditory Pathway: Transmission between Hair Cells and Eighth
... Depolarizing and hyperpolarizing receptor potentials alter the open probability of voltagegated calcium channels in the hair cell’s basolateral membrane. Calcium entry in turn alters the rate of release of neurotransmitter (glutamate) onto the terminal of a postsynaptic afferent neuron. Hair cells, ...
... Depolarizing and hyperpolarizing receptor potentials alter the open probability of voltagegated calcium channels in the hair cell’s basolateral membrane. Calcium entry in turn alters the rate of release of neurotransmitter (glutamate) onto the terminal of a postsynaptic afferent neuron. Hair cells, ...
Answers to What Did You Learn questions
... receptor in the post-synaptic cell membrane cause a brief voltage change across its membrane. ...
... receptor in the post-synaptic cell membrane cause a brief voltage change across its membrane. ...
Motor System & Behavior
... activity in the motor system. • Without the motor system, we could experience sensation, think, reason, problem solve, read, write, and do mental math, but we would not be able to communicate our thoughts and abilities to anyone. ...
... activity in the motor system. • Without the motor system, we could experience sensation, think, reason, problem solve, read, write, and do mental math, but we would not be able to communicate our thoughts and abilities to anyone. ...
Feedback — Exam
... Select all the correct answers (could be more than one) Only the active cat developed operational motor system; a functional motor system is the foundation for the development of all other systems in their brain, including vision. Building an internal (brain) model of the visual world requires, earl ...
... Select all the correct answers (could be more than one) Only the active cat developed operational motor system; a functional motor system is the foundation for the development of all other systems in their brain, including vision. Building an internal (brain) model of the visual world requires, earl ...
Introductory chapter
... pumps; these pumps in turn are powered by chemical energy from the cell's metabolism. Hodgkin and Huxley (1952a, 1952b, 1952c) analyzed the electrical dynamics of the cell membrane in the giant axon of squid, and showed that these dynamics could be described with relatively simple phenomenological m ...
... pumps; these pumps in turn are powered by chemical energy from the cell's metabolism. Hodgkin and Huxley (1952a, 1952b, 1952c) analyzed the electrical dynamics of the cell membrane in the giant axon of squid, and showed that these dynamics could be described with relatively simple phenomenological m ...
Kein Folientitel - Institut für Grundlagen der Informationsverarbeitung
... • Inclusion of results, models, and problems of cognitive neuroscience (memory, top-level-control) • Discussion of work in related EU-research projects (in which students could become involved) ...
... • Inclusion of results, models, and problems of cognitive neuroscience (memory, top-level-control) • Discussion of work in related EU-research projects (in which students could become involved) ...
Orexin-A excites rat lateral vestibular nucleus neurons and improves
... condition of blocking the NCX was around −40 mV, which is exactly the reversal potential of nonselective cation channels (NSCC). And the orexin-A-evoked current was found to be voltage independence, which is also the characteristic of NSCC. These results demonstrate that orexin-A excites both type-A ...
... condition of blocking the NCX was around −40 mV, which is exactly the reversal potential of nonselective cation channels (NSCC). And the orexin-A-evoked current was found to be voltage independence, which is also the characteristic of NSCC. These results demonstrate that orexin-A excites both type-A ...
BIOL241Neurophys11bJUL2012
... • In a positive feedback mechanism, Na+ coming in through chemically gated channels (graded potential) depolarize the membrane causing voltage gated Na+ channels to open. • Voltage-gated Na+ channels allow more Na+ in, this depolarizes the membrane more, opens more voltage-gated Na+ channels, etc. • ...
... • In a positive feedback mechanism, Na+ coming in through chemically gated channels (graded potential) depolarize the membrane causing voltage gated Na+ channels to open. • Voltage-gated Na+ channels allow more Na+ in, this depolarizes the membrane more, opens more voltage-gated Na+ channels, etc. • ...
Neurotransmitters
... sleep. The next day, he dissected out of frogs two beating hearts: one with the vagus nerve which controls heart rate attached, the other heart on its own. Both hearts were bathed in a saline solution (i.e. Ringer's solution). By electrically stimulating the vagus nerve, Loewi made the first heart b ...
... sleep. The next day, he dissected out of frogs two beating hearts: one with the vagus nerve which controls heart rate attached, the other heart on its own. Both hearts were bathed in a saline solution (i.e. Ringer's solution). By electrically stimulating the vagus nerve, Loewi made the first heart b ...
AP Ψ - nrappsychology
... Taken from (Bernstein, Penner, Clarke-Stewart, Roy, 2006) and (Zimbardo, Johnson, Weber, Gruber, 2007) ...
... Taken from (Bernstein, Penner, Clarke-Stewart, Roy, 2006) and (Zimbardo, Johnson, Weber, Gruber, 2007) ...
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 . ...
Nervous Lecture Test Questions – Set 1
... A Schwann cell can form myelin around how many axon segments (between nodes): a. only one b. more than one, but no set number c. more than one, but only on the same axon d. more than one, but with each on a different axon e. none, since it is only the oligodendroglia which form myelin ...
... A Schwann cell can form myelin around how many axon segments (between nodes): a. only one b. more than one, but no set number c. more than one, but only on the same axon d. more than one, but with each on a different axon e. none, since it is only the oligodendroglia which form myelin ...
HUMAN PHYSIOLOGY
... After studying this chapter, students should be able to . . . 1. describe the structure of a neuron and explain the functional significance of its principal regions. 2. explain what is meant by the blood-brain barrier and discuss its significance. 3. describe the sheath of Schwann and explain how it ...
... After studying this chapter, students should be able to . . . 1. describe the structure of a neuron and explain the functional significance of its principal regions. 2. explain what is meant by the blood-brain barrier and discuss its significance. 3. describe the sheath of Schwann and explain how it ...
Photo Album
... (A) Orientation tuning curve from visual cortex. The firing rate of the neuron changes as a function of the orientation of the bar of light presented in the cell’s receptive field. The top shows peristimulus time histograms of the firing rate of the neuron as a function of time; the shaded regions r ...
... (A) Orientation tuning curve from visual cortex. The firing rate of the neuron changes as a function of the orientation of the bar of light presented in the cell’s receptive field. The top shows peristimulus time histograms of the firing rate of the neuron as a function of time; the shaded regions r ...
Lecture 11b Neurophysiology
... • In a positive feedback mechanism, Na+ coming in through chemically gated channels (graded potential) depolarize the membrane causing voltage gated Na+ channels to open. • Voltage-gated Na+ channels allow more Na+ in, this depolarizes the membrane more, opens more voltage-gated Na+ channels, etc. • ...
... • In a positive feedback mechanism, Na+ coming in through chemically gated channels (graded potential) depolarize the membrane causing voltage gated Na+ channels to open. • Voltage-gated Na+ channels allow more Na+ in, this depolarizes the membrane more, opens more voltage-gated Na+ channels, etc. • ...
chapter 11 the somatosensory system and topographic organization
... angled arrows) to innervate two inhibitory neurons (black circles), one on either side. Each inhibitory neuron sends an axon (angled black line ending in a bar) to the neuron corresponding to its nearest neighbor in the second array. If we assume that the inhibition provided by each inhibitory neuro ...
... angled arrows) to innervate two inhibitory neurons (black circles), one on either side. Each inhibitory neuron sends an axon (angled black line ending in a bar) to the neuron corresponding to its nearest neighbor in the second array. If we assume that the inhibition provided by each inhibitory neuro ...
MS Word Version
... which neurotransmitter is involved, and the specific receptor found on that cell. ...
... which neurotransmitter is involved, and the specific receptor found on that cell. ...
The Nervous System - Liberty Union High School District
... Table 4 below. A smaller version of this chart is included here for later review. ...
... Table 4 below. A smaller version of this chart is included here for later review. ...
An Investigation into the Role of Cortical Synaptic Depression in
... shown that masking continues to exist even in the presence of a GABA A antagonist and therefore even if inhibitory inputs have some part to play they cannot provide a full account (Brosch and Schreiner, 1997). Both cortical forward masking and that evidenced behaviourally have been shown to last far ...
... shown that masking continues to exist even in the presence of a GABA A antagonist and therefore even if inhibitory inputs have some part to play they cannot provide a full account (Brosch and Schreiner, 1997). Both cortical forward masking and that evidenced behaviourally have been shown to last far ...
A natural example of different circuit architectures for analogous
... membrane and synaptic parameters might produce relatively similar network outputs. However, there is still a general assumption that similar behaviors in related animal species originate from a common neural architecture. In this study, we show that two species produce similar behaviors using hom ...
... membrane and synaptic parameters might produce relatively similar network outputs. However, there is still a general assumption that similar behaviors in related animal species originate from a common neural architecture. In this study, we show that two species produce similar behaviors using hom ...
Sensory input: Sensory structures, classification by function
... pinna directs sound waves into external auditory canal which ...
... pinna directs sound waves into external auditory canal which ...
Lecture 11b Neurophysiology
... • Don’ t lose sight of the larger significance of what we are talking about: – the ability to move, think, and feel, everything that makes us human, everything that makes all animals live and breathe… All of these things are caused by the movement of a ions into and out of the membranes of neural ce ...
... • Don’ t lose sight of the larger significance of what we are talking about: – the ability to move, think, and feel, everything that makes us human, everything that makes all animals live and breathe… All of these things are caused by the movement of a ions into and out of the membranes of neural ce ...
Principle of Superposition-free Memory - Deep Blue
... is rememorized under the control of a third reference neuron a recomposed (or imagined) scene will be stored in memory. The concept of rememorization is fundamental. It allows for the construction of sophisticated data structures in the brain. If the supervisory system allows reference neurons to ac ...
... is rememorized under the control of a third reference neuron a recomposed (or imagined) scene will be stored in memory. The concept of rememorization is fundamental. It allows for the construction of sophisticated data structures in the brain. If the supervisory system allows reference neurons to ac ...