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36.1: The Nervous System
36.1: The Nervous System

... • Receptors ≡ structures specialized to detect certain stimuli • Response ≡ a reaction to a stimulus • Effectors ≡ what responds to a stimulus such as muscles or glands ...
Brain Facts
Brain Facts

... wandering ...
Nervous System Study Guide 1
Nervous System Study Guide 1

... 38. What must take place in order for the neuron to trigger? (Explain this in terms of the difference in charge between the inside and outside of the cell.) ...
Brain Facts
Brain Facts

... would reach to moon and back • Every second, brain receives 100 million messages from the senses • ¾ of body’s neurons are in brain • On day you’re born, all brain cells in place – They’re just immature – still developing • Explains why don’t have memories until ~3-4 y.o. ...
Corpus Callosum - Psychological Associates of South Florida
Corpus Callosum - Psychological Associates of South Florida

... understanding). ...
Neurotransmitters
Neurotransmitters

... • With threshold being met, the cell becomes depolarized and allows positively charged ions into the axon at the nodes of ranvier. This mix of positive and negative ions causes an electrical charge to form (an action ...
Older Brain Structures
Older Brain Structures

... What types of automatic survival functions are controlled by the brainstem? ...
Active Reading - Red Hook Central Schools
Active Reading - Red Hook Central Schools

... Read the passage below. Then answer the questions that follow. ...
Endocrine System: Overview
Endocrine System: Overview

... Somatic Motor Pathways 9. What two main somatic motor pathways convey action potentials to skeletal muscles? ...
The basics of brain communication
The basics of brain communication

... The Neuron: The Basic Unit of Communication Neuron: The basic units of the nervous system; cells that receive, integrate, and transmit information in the nervous system. They operate through electrical impulses, communicate with other neurons through chemical signals, and form neural networks. (page ...
PPT and questions for class today.
PPT and questions for class today.

... either fires or it doesn’t; more stimulation does nothing.  This is known as the “all-ornone” response. ...
What are Neurons
What are Neurons

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Introduction: The Human Brain
Introduction: The Human Brain

... neurons ten times over. Once thought to be support cells, they are now known to amplify neural signals and to be as important as neurons in mental calculations. There are many different types of neuron, only one of which is unique to humans and the other great apes, the so called spindle cells. Brai ...
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No Slide Title

... on one neuron (respiratory center) • Reverberating circuits – neurons stimulate each other in linear sequence but one cell restimulates the first cell to start the process all over ...
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Silencing brain cells with

... chronic pain, epilepsy, brain injury, and Parkinson’s disease. The tools work on the principle that such disorders might be best treated by silencing, rather than stimulating, brain activity. These “super silencers” exert exquisite control over the timing of the shutdown of overactive neural circuit ...
Slides - Gorman Lab
Slides - Gorman Lab

... Dermatomes - rough map, overlap with adjacent regions! ...
Navigating The Nervous System
Navigating The Nervous System

... b. Interneuron- Forms connections between other neurons that together perform thinking and memory functions. c. Sensory- Originates from a sensory organ such as the tongue, eyes, nose, ears, or skin, to the brain. ...
MCB 32 Introductory Human Physiology
MCB 32 Introductory Human Physiology

... They can do this because different receptor subtypes can exist for a single neurotransmitter. Activation of different receptor subtypes can produce very different postsynaptic events. Four of the most common neurotransmitter substances are acetylcholine (ACh), norepinephrine, (NE), epinephrine(E) an ...
Chapter 8: Sensation and Perception
Chapter 8: Sensation and Perception

... What types of automatic survival functions are controlled by the brainstem? ...
ANATOMY AND PHYSIOLOGY STUDY GUIDE
ANATOMY AND PHYSIOLOGY STUDY GUIDE

... What part of the brain allows us to consciously move our skeletal muscles? Where is this area? What is controlled in the Broca’s area? Which hemisphere is this usually in? What happens when there is damage to the Broca’s area? Where are areas of higher intellectual reasoning located? Where are compl ...
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You*ve had a concussion! How to return a player to the

... Neurons are basically like on/off switches of a light switch. Neurons are either resting or shooting an electrical impulse down a wire called an axon. Each of the neurons spit out chemicals that trigger other neurons. ...
PSYC 100 Chap. 2 - Traditional method: Observing electrical activity
PSYC 100 Chap. 2 - Traditional method: Observing electrical activity

... http://www.youtube.com/watch?v=jOkp68kUQvc&feature=related Neurons Glia (literally glue) - individual cells (video shows that neurons aren’t connected to each other) - receive, integrate, transmit information ...
Disorders of the Nervous System
Disorders of the Nervous System

... a) The somatic or voluntary nervous system, which is concerned with the transmission of impulses (coded messages) to and from the non-visceral parts of the body such as skeletal muscles, bones, joints, ligaments, skin, eyes and ears. b) The autonomic or involuntary nervous system, which is concerned ...
lessonthreepp_9-16
lessonthreepp_9-16

... What genes are included in the smoking behavior study? • Two regions in the dopamine receptor gene (DRD2), which codes for a protein that binds dopamine, found on the dendrites of receiving neurons • One region in the dopa decarboxylase gene (DDC), which codes for a protein involved in dopamine syn ...
Neurons- We will be making neurons out of different color pipe
Neurons- We will be making neurons out of different color pipe

... occipital lobe is crucial to our ability not only to see but to read, and the temporal lobe is critical to the sense of smell, and to learning, memory and emotions.  STEP 4: Here comes the really fun part! After a lively discussion regarding the specific functions of each of the brain regions discu ...
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Activity-dependent plasticity

A defining feature of the brain is its capacity to undergo changes based on activity-dependent functions, also called activity-dependent plasticity. Its ability to remodel itself forms the basis of the brain’s capacity to retain memories, improve motor function, and enhance comprehension and speech amongst other things. It is this trait to retain and form memories that is functionally linked to plasticity and therefore many of the functions individuals perform on a daily basis. This plasticity is the result of changed gene expression that occurs because of organized cellular mechanisms.The brain’s ability to adapt toward active functions has allowed humans to specialize in specific processes based on relative use and activity. For example, a right-handed person may perform any movement poorly with his/her left hand but continuous practice with the less dominant hand can make both hands just as able. Another example is if someone was born with a neurological disorder such as autism or had a stroke that resulted in a disorder, then they are capable of retrieving much of their lost function by practicing and “rewiring” the brain in order to incorporate these lost manners. Thanks to the pioneers within this field, many of these advances have become available to most people and many more will continue to arrive as new features of plasticity are discovered.
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