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Nervous & Endocrine Systems
Nervous & Endocrine Systems

... interneurons in the brain. 2.Receptors in your ear pick the sound of a ringing phone 3.Muscles in the arm carry out the response and you reach to pick up the phone 4. Impulses travel along motor neurons to the muscles ...
THE NERVOUS SYSTEM
THE NERVOUS SYSTEM

... adults/_____________________neurons have single process –sensory neurons in PNS motor ...
Brain_stemCh45
Brain_stemCh45

... Function: facilitation of spinal motor neurons in legs for postural support and patterned stereotyped movements ...
nervoussystemwebquest
nervoussystemwebquest

... membranes. Sodium (Na+) ions are usually outside making it negatively charged while potassium (K+) are usually inside making it positively charged. These concentrations are maintained by sodium ion pumps K+ & Na+ have ungated ion channels that allow them to diffuse all the time at resting potential. ...
The Nervous System
The Nervous System

... Neurons communicate with each other through an electrochemical process. Neurons form specialized connections called "synapses" and produce special chemicals called "neurotransmitters" that are released at the synapse. ...
Neural Crest Cells and Axonal Specificity
Neural Crest Cells and Axonal Specificity

Reading Out Visual Information from Populations of Neurons in ITC
Reading Out Visual Information from Populations of Neurons in ITC

... Using statistical classifiers on populations of neural data is a powerful way to decode the content and dynamics of information in different brain regions. Our analyses indicate that: PFC contains more category information during most time periods, while ITC contains more identity information when a ...
Body Systems - Bishop Ireton High School
Body Systems - Bishop Ireton High School

... of the eye) which has an opening called the pupil. Just behind the pupil is the lens, that refracts incoming light. The eyeball itself consists of a large chamber filled with jellylike fluid, the ...
The Nervous System
The Nervous System

... • There are 4 specific types of cells that form the tissues of the nervous system. – 1) sensory neurons transmit incoming impulses from receptors in sense organs (eyes, ears, skin, nose) to the brain or spinal cord, where they are interpreted. – 2) motor neurons act once the sensory neuron sends its ...
Sherwood 6B
Sherwood 6B

... deformation of hair cells by specific movement of fluid and related structures • Vestibular input goes to vestibular nuclei in brain stem and to cerebellum for use in maintaining balance and posture, controlling eye movement, perceiving motion and orientation ...
Chapter 15
Chapter 15

... a. What is the purpose of the melanin? ______________________________ 3. Rods a. Rods are ____________________ involved in ______________________ and are responsible for vision ___________________________________ b. Describe the structure of a rod __________________________________ _________________ ...
Unit 12 Chp 49 Animal Sensory and Motor
Unit 12 Chp 49 Animal Sensory and Motor

... 5. Interactions between myosin and actin generate force during muscle contractions ...
Neurons & Transmission of Information
Neurons & Transmission of Information

... across the synaptic cleft •Neurotransmitters = chemical that is released into the synaptic cleft from the axon terminal of the sending neuron, crosses the synapse, & binds to appropriate receptor sites on the dendrites or cell body of the receiving neuron & influences the other cell ...
NervousSystem2
NervousSystem2

... must have its origin in the cerebral cortex. Its origin is by excitation of interneurons in an area of the cerebral cortex designated the motor cortex. All stimuli ultimately contribute to effector action. Those that are consciously appreciated utilize pathways that traverse the cerebral cortex and ...
CH 48 Nervous systemnotes2010
CH 48 Nervous systemnotes2010

... created by solute concentration on either side being different due to plasma membrane selectivity in what goes through inside cell primarily Na+ and Cl- outside cell primarily K+ C. membrane potentials can be controlled with gated ion channels which allow for certain ions to pass through the membran ...
No Slide Title
No Slide Title

... • Neurons may have different thresholds of excitation but all obey the rule that once the threshold is reached, an action potential is triggered – this is called the ‘all-or-none rule’. • Following the action potential, the sodium gates remain closed for around 1ms and so further action potentials c ...
chapter48
chapter48

... Anions inside the cells are large molecules that do not cross the membrane and stay inside the cell. Ions move throught ion channels following the electrochemical gradient. The channels do not control the direction of ion flow.  Ion concentration: chemical gradient.  Electrical charge on each side ...
Nervous Sys Learning targets
Nervous Sys Learning targets

... 1. List the basic functions of the nervous system 2. draw a concept map to show the structural and functional divisions of the nervous system 3. List the types of neuroglia and cite their functions ...
600 Kb PDF
600 Kb PDF

... The goal of the Animat project is to create a neurallycontrolled artificial animal with which we can study learning in-vitro. This preliminary work has shown that it is possible to construct a system that can respond to and provide feedback in real-time to a living neural network. We do not yet know ...
Unit B6 Key Words
Unit B6 Key Words

... The pupil contracts in bright light and relaxes in dim light A chemical messenger secreted by gland that brings about a slow change in the body A change in the environment that causes a response Cells that detect changes in the environment The long tine part of a neuron Tissues and organs in the bod ...
Kuliah4-anatomi2
Kuliah4-anatomi2

... 1. synapse with postganglionic neurons (shown in white) which then re-enter the spinal nerve and ultimately pass out to the sweat glands and the walls of blood vessels near the surface of the body. 2. pass up or down the sympathetic chain and finally synapse with postganglionic neurons in a higher o ...
03/02 PPT - Molecular and Cell Biology
03/02 PPT - Molecular and Cell Biology

... Specificity of wiring is based on chemical tags. Individual neurons express distinct molecular markers during development. The formation of appropriate synaptic connections depends on the matching of complementary molecules on pre- and postsynaptic neurons ...
[j26] Chapter 10#
[j26] Chapter 10#

... ___ 31. Both salt and sour tastes are mediated by receptors that are coupled to G-proteins that, in turn, activate second-messenger systems within the cytoplasm of the receptor cell. ___ 32. The particular type of G-protein receptor found in the membranes of taste buds involved in the sensation of s ...
2-3 nervous sys Sp13
2-3 nervous sys Sp13

... coordination and precision. Learns and remembers new motor skills (tying a shoe, playing the piano or hitting a ...
Слайд 1 - Polymer
Слайд 1 - Polymer

... composed of thousands or tents of thousands of the fastest microprocessors and costing tens of millions of dollars can do a few million MIPS. They are within striking distance of being powerful enough to match human brainpower, but are unlikely to be applied to that end. Why tie up a rare twenty-mil ...
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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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