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neurology_lab3
neurology_lab3

... those information may be divided into two main groups: (1) exteroceptive information:, which originates from outside the body, such as pain, temperature, and touch. (2) proprioceptive information: which originates from inside the body, for example, from muscles, tendons and joints. Information from ...
Title Goes here
Title Goes here

... Combined effects of Glutamate and Zinc on the EPSP Figures courtesy of Li, et al. 2001 ...
MS Word Version - Interactive Physiology
MS Word Version - Interactive Physiology

... 11. In general, the longest axons are associated with the largest cell bodies. 12. Left side of page from top to bottom: axon hillock, axon collaterals. Right side of page: axon terminals. 13. a. axon hillock b. axon collaterals c. axon terminals 14. The action potential is generated at the axon hil ...
Skin & Fascia - MBBS Students Club
Skin & Fascia - MBBS Students Club

... the epidermis on the fingers and toes, the palm of the hand or the sole of the foot.  Are caused by the underlying interface between the dermal papillae of the dermis and the interpapillary (rete) pegs of the epidermis.  along the summit of each ridge the apertures of sweat ducts open at regular i ...
1 • In the animals of highly developed organization consisting of
1 • In the animals of highly developed organization consisting of

... the center of cell body there is a round nucleus with a conspicuous nucleolus; around the nucleus the cytoplasm is filled with coarse granules staining deeply with basic dyes. As these granules were first reported by Fr. Nissl in 1884, they are named Nissl bodies or Nissl substance. These are highly ...
text of chapter 2
text of chapter 2

... When artists and academic psychologists look at René Magritte's The Lovers, they probably notice different aspects of the canvas (Figure 2.1). Artists may observe the overall composition with its intersecting diagonals, and the skillful shading that helps give perspective to the shrouded figures. Pe ...
Anatomy Review - Interactive Physiology
Anatomy Review - Interactive Physiology

... 11. (Page 8.) What is the relationship between the length of an axon and the size of its cell body? 12. (Page 9.) Label the diagram on p. 9. 13. (Page 9.) What terms are used for the following? a. The region of the cell body that the axon arises from. b. Branches of axons. c. Profuse branches at th ...
Life and Death of Neurons in the Aging Brain
Life and Death of Neurons in the Aging Brain

... much more powerful predictor of total neocortical neuron number than age, and although the authors found a 10% decrease in neurons across the age spectrum, they warn that, given the study design, this small but significant decline across ages should not be interpreted as strong evidence for biologic ...
Gaze effects in the cerebral cortex: reference frames for
Gaze effects in the cerebral cortex: reference frames for

... charge rate of a substantial proportion of PMd cells (Boussaoud et al. 1998), although we stress that the receptive fields were not studied in detail. Figure 2A shows an example of PMd cells whose discharge rate is tuned to the location of the visual cue (presented in polar coordinates) which instru ...
12-4 Membrane Potential
12-4 Membrane Potential

... o The sodium–potassium exchange pump ejects 3 Na+ ions for every 2 K+ ions that it brings into the cell  It serves to stabilize the resting potential when the ratio of Na + entry to K+ loss through passive channels is 3:2 o At the normal resting potential, these passive and active mechanisms are in ...
Complexity in Neuronal Networks
Complexity in Neuronal Networks

... More recent, extensive studies show that structural diversity of cortical neurons is not limited to the stereogeometry of axons and dendrites or to the multiple excitability patterns that a step of depolarising current produces in the recorded cell, but extends also to neurochemical markers (calcium ...
Universal Connection through Art: Role of Mirror Neurons in Art
Universal Connection through Art: Role of Mirror Neurons in Art

... In their later studies, Gallese and colleagues found a group of neurons in the posterior parietal area connected in a bidirectional way with the premotor cortex area F5 [18]. The importance of the discovery of mirror neurons and fronto-parietal reciprocal connections is that it demonstrates how the ...
The Nervous System - Blackwell Publishing
The Nervous System - Blackwell Publishing

... nerves through which the central nervous system interacts with the rest of the body. ‘Nerve’ is a familiar word and is used in various ways in ordinary conversation. But in psychology we use it specifically to mean a cord of neuronal axons bundled together passaxon the neuronal outgrowth through ing ...
The structure and connexions of neurons
The structure and connexions of neurons

... or commissural funicular neurons, the axons of which, from our observations, divide very often in the white matter giving an ascending and descending branch (C in Fig. 1). In Fig. 3 I show the connexions of the visual fibres and the cells of the retina. The interneuronal relationships are shown with ...
Chapter 11-自律神經及體運動神經系統檔案
Chapter 11-自律神經及體運動神經系統檔案

...  Curare 劍毒 is an extract of a plant (Chondrodendron tomentosum) found in South America  When an animal was struck by a curare-laced arrow or dart, it would become paralyzed and eventually die from respiratory failure 呼吸衰竭  The effective component of curare is a compound called tubocurarine, which ...
Chapter 11-自律神經及體運動神經系統檔案
Chapter 11-自律神經及體運動神經系統檔案

...  Curare 劍毒 is an extract of a plant (Chondrodendron tomentosum) found in South America  When an animal was struck by a curare-laced arrow or dart, it would become paralyzed and eventually die from respiratory failure 呼吸衰竭 ...
The Nervous System and Nervous Tissue Chapter
The Nervous System and Nervous Tissue Chapter

... that, and you may not have wanted to give your friend a reason to laugh at your expense, but it is a reflex involving skeletal muscle contractions. Other motor responses become automatic (in other words, unconscious) as a person learns motor skills (referred to as “habit learning” or “procedural me ...
Electrical dimensions in cell science - Journal of Cell Science
Electrical dimensions in cell science - Journal of Cell Science

... development and following injury would improve our understanding of the development of neuronal networks, and might foster new therapies for neurodevelopmental disorders and brain injuries. Most studies concentrate on the principles of axon guidance by gradients of morphogens or growth factors (chem ...
Cortical projections to the nucleus of the optic tract and dorsal
Cortical projections to the nucleus of the optic tract and dorsal

... The nucleus of the optic tract and dorsal terminal nucleus of the accessory optic system (NOT-DTN) along with the dorsolateral pontine nucleus (DLPN) have been shown to play a role in controlling slow eye movements and in maintaining stable vision during head movements. Both nuclei are known to rece ...
nervous system
nervous system

... everything to find out if it is edible or not.The animal eat fastly when a strong current is passed through a particular region of hypothalamus. ...
Martin D. Cassell and Robin L. Davisson Puspha Sinnayah, Timothy
Martin D. Cassell and Robin L. Davisson Puspha Sinnayah, Timothy

... of Cre. Indeed, we and others have demonstrated the utility of adenovirus (46), adeno-associated virus (19), and herpes virus (5) to deliver Cre recombinase to the mouse in vivo. The Cre/loxP system has increasingly shown promise for investigating genes involved in central nervous system (CNS) funct ...
Development of Subcellular mRNA Compartmentation in
Development of Subcellular mRNA Compartmentation in

... of particular mRNAs into dendrites, which together create the capacity for local synthesis of particular proteins, play a key role in establishing the molecular domains that allow dendrites to function as they do. Given the fact that RNA sorting and transport mechanisms are such prominent features o ...
5 levels of Neural Theory of Language
5 levels of Neural Theory of Language

... Computational Models based on Hebb’s rule Many computational systems for modeling incorporate versions of Hebb’s rule.  Winner-Take-All: ...
Post-Operative Time Effects after Sciatic Nerve Crush on the
Post-Operative Time Effects after Sciatic Nerve Crush on the

... central) may be degenerated after nerve injuries. Wallerian degeneration and chromatolysis are the most conspicuous phenomena that occur in response to injuries. In this research, the effects of postoperative time following sciatic nerve crush on the number of spinal motoneurons were investigated. T ...
ling411-11-Columns - OWL-Space
ling411-11-Columns - OWL-Space

... Sciences in 1966.In 1978, he was awarded the Louisa Gross Horwitz Prize from Columbia University together with David Hubel and Torsten Wiesel, who both received the Nobel Prize in Physiology or Medicine in 1981. In 1983, he was awarded the Albert Lasker Award for Basic Medical Research. He also rece ...
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Channelrhodopsin



Channelrhodopsins are a subfamily of retinylidene proteins (rhodopsins) that function as light-gated ion channels. They serve as sensory photoreceptors in unicellular green algae, controlling phototaxis: movement in response to light. Expressed in cells of other organisms, they enable light to control electrical excitability, intracellular acidity, calcium influx, and other cellular processes. Channelrhodopsin-1 (ChR1) and Channelrhodopsin-2 (ChR2) from the model organism Chlamydomonas reinhardtii are the first discovered channelrhodopsins. Variants have been cloned from other algal species, and more are expected.
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