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Nervous System
Nervous System

... Steven Nuno Period:2 ...
Chapter 2 Study Guide
Chapter 2 Study Guide

... Study Guide for Chapter two Here are some key terms and concepts with which you should be familiar from chapter two. Please sure to read the chapter section that relates to each term. It’s not necessarily sufficient to just define the term. 1. What is biopsychology? What’s the significance of the te ...
List of vocabulary used in understanding the nervous
List of vocabulary used in understanding the nervous

... appetite center, an example of negative feedback. When fat reserves diminish, the concentration of leptin decreases, a phenomenon that in turn causes the appetite center in the brain to start the hunger stimulus and activate the urge to eat. Transmission of nerve impulses involves an electrochemical ...
Nervous and Endocrine Systems
Nervous and Endocrine Systems

... Aim: 2 Parts of the nervous system: the CNS Synapse – _____  At end of axon a chemical is released, crosses the synapse and binds to the dendrite on the other side to begin again CNS – _____ PNS – _____  Brain coordinates all body activities except _____  3 parts, 100 billion neurons o cerebrum – ...
Mod 07-Lecture - Phoenix Military Academy
Mod 07-Lecture - Phoenix Military Academy

... repolarization (inhibitory or perhaps more accurately when the neuron is returning to normal balance after firing) that has to do with the changing positive/negative charge of potassium and ...
Neurons: What They`re Made Of and How They
Neurons: What They`re Made Of and How They

... images that are altered or edited after download could result in misinformation that may harm companion animals, aquatic life, or native species. ...
Nervous System
Nervous System

... • Irritability – transfer impulses to the nerve cell • Conductivity – transfer impulses from the nerve cell to an organ or other nerve cell ...
CHAPTER 2 RAPID REVIEW
CHAPTER 2 RAPID REVIEW

... works provides fundamental information about what is going on inside your body when you engage in a specific behavior, feel a particular emotion, or have an abstract thought. The field of study that deals with these types of questions is called neuroscience. The role of the nervous system is to carr ...
Nervous System Neurons And Synapses
Nervous System Neurons And Synapses

... 4. What role do the nodes of Ranvier play in the conduction of an action potential? The nodes of Ranvier represent an area along the axon where there is an absence of myelin. Because ions can cross the membrane only at the nodes, only a node can respond to a depolarizing stimulus. Action potentials ...
Ions in Your Life
Ions in Your Life

... Electrical impulse created by flow of ions in and out cell down the axon (Ca+) triggers the release of synaptic vesicles filled with neurotransmitters into synaptic gap/cleft. Neurotransmitters bind with specific channels on next neuron to start electrical impulse (flow of ions) down next neuron’s a ...
HERE
HERE

... Click on the “Other Cells in the Brain” link and answer the following questions: 5. There are about ______________ neurons in the brain as well as ______________ of support cells called _____________________. 6. There are 3 types of glial cells. Name each of the 3 and explain their function: 1. ____ ...
Glands
Glands

... 0 All-or-None Principle: The principle stating that if a neuron fires, it always fires at the same intensity. ...
Concepts of Neurobiology
Concepts of Neurobiology

...  Axon, transmits message to next cell  Dendrites, receives messages from cells  Three classes of neurons in CNS  Afferent (sensory)  Efferent (motor)  Interneurons in CNS ...
Chapter 2
Chapter 2

... Action potential: Nerve impulse caused by a reversal in the electrical charge across the axon (- to +) ...
Summary Sodium pump.
Summary Sodium pump.

... determines which muscles shall contract, when, how fast and to what extent, and with what change in force and velocity. Motor system nerves are somewhat like electrical wires in that they are insulated, but have a gap between each. ...
Chapter 7: the Nervous System
Chapter 7: the Nervous System

... both the CNS & PNS • Multiple functions of the nervous system may be impaired ...
Key - Cornell
Key - Cornell

... 4. Which characteristics of real neurons can you think of that leaky integrate-and-fire neurons do not model? Non-linearities in summation, refractory period 5. If one does not want to explicitly model action potential generation using Na+ and K+ channels, what is a good alternative? How is a refrac ...
Chapter 3: The Nervous System
Chapter 3: The Nervous System

... • GABA secreted by “local” interneurons all over the brain. ▫ Works as an off switch. ...
Slide 1 - MisterSyracuse.com
Slide 1 - MisterSyracuse.com

... 16. Many tasks in the body are taken care of by the unconscious part of the brain, so that the brain’s owner doesn’t have to think about them. These tasks are performed by the A. Cerebrum B. Malpighian tubule C. Cortex D. Cerebellum _________ 17. Name three tasks that might be performed by the stru ...
Chapter 3: The Biological Bases of Behavior
Chapter 3: The Biological Bases of Behavior

...  carry information between neurons ▪ in the brain ▪ in the spinal cord ...
File
File

... • Cell body lies within the spinal nerve • Relay neurons • One long axon with cell body that may • Found entirely in CNS be near source of stimuli or in swelling of a spinal nerve (GANGLION) • Dendron is usually longer than the axon • Contains many dendrites • Some are myelinated • May form synapse ...
Visual Cortical Dynamics Charles Gilbert The Rockefeller University
Visual Cortical Dynamics Charles Gilbert The Rockefeller University

... parse scenes and recognize objects depends on our previous experiences. Our interpretation of visual scenes requires an interaction between internal representations of object properties acquired through experience and the immediate information coming from the retina. These internal representations e ...
Chapter 12 The Nervous System
Chapter 12 The Nervous System

... • The CNS and the PNS are both composed of a series of interconnected neurons. ...
Seminar Slides
Seminar Slides

...  Synapse - point where the axon of one neuron connects to a dendrite of another  Electrical synapse - two cells touch and are connected by tiny holes, which lets the nerve impulse pass directly from one neuron to the other  Chemical synapse - two cells do not touch and the nerve impulse needs par ...
2-3 nervous sys Sp13
2-3 nervous sys Sp13

... CNS to various parts of the body. ...
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Single-unit recording

In neuroscience, single-unit recordings provide a method of measuring the electro-physiological responses of single neurons using a microelectrode system. When a neuron generates an action potential, the signal propagates down the neuron as a current which flows in and out of the cell through excitable membrane regions in the soma and axon. A microelectrode is inserted into the brain, where it can record the rate of change in voltage with respect to time. These microelectrodes must be fine-tipped, high-impedance conductors; they are primarily glass micro-pipettes or metal microelectrodes made of platinum or tungsten. Microelectrodes can be carefully placed within (or close to) the cell membrane, allowing the ability to record intracellularly or extracellularly.Single-unit recordings are widely used in cognitive science, where it permits the analysis of human cognition and cortical mapping. This information can then be applied to brain machine interface (BMI) technologies for brain control of external devices.
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