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chapter32_part2shorter
chapter32_part2shorter

... • The cerebral cortex, the outer layer of gray matter, has areas that receive and integrate sensory information. It also controls conscious thought and actions. • The cerebral cortex interacts with the limbic system, a set of brain structures that collectively affect emotions and contribute to memor ...
Unit 1: Maintaining Dynamic Equilibrium (II) The Nervous System
Unit 1: Maintaining Dynamic Equilibrium (II) The Nervous System

... Early knowledge of brain function came from studying the brains of people with brain diseases or injury. Brain damage causes symptoms such as loss of particular body functions or changes in behaviour. Scientists believed that the area of the brain which was abnormal must control whatever body functi ...
Chapter 2, continued Basal ganglia Has three principal structures
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... Principle 5: The brain is both symmetrical and asymmetrical - language and body control are asymmetrical so that they can be synchronized and unified Principle 6: Brain systems are organized both hierarchically and in parallel - If there were a system that went in a straight line, from one level to ...
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Quiz: The Brain and Addiction

... Institutes of Health. They are in the public domain and may be reproduced without permission. Citation of the source is appreciated. Instructions: After reviewing Facts on Drugs: Brain and Addiction on the NIDA for Teens Web site (http://teens.drugabuse.gov/), take this short quiz to test your knowl ...
جامعة تكريت كلية طب االسنان
جامعة تكريت كلية طب االسنان

... The nervous system has three main functions, sensory input, integration of data and motor output. The Nervous System includes both Sensory (Input) and Motor (Output) systems interconnected by complex integrative mechanisms. The fundamental unit of operation is the neuron, which typically consists of ...
Quiz: The Brain and Addiction
Quiz: The Brain and Addiction

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Psychology Chapter 3

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Physiology 28.1: The human body has 5 levels of organization. 1

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The Human Brain - Peoria Public Schools

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In your journal, take notes by writing the name of
In your journal, take notes by writing the name of

... Nerves are enclosed bundles of long fibers called axons which are made up of nerve cells called neurons. Neurons quickly and precisely send signals as electrochemical waves along axons to other cells. There are two types of neurons, sensory neurons and motor neurons. Sensory neurons change light, t ...
Document
Document

... somatic or SNS: voluntary control of body movements and is made up of all neurons, sense organs, skin, skeletal muscles Autonomic or ANS: involuntary control of body movements such as reflex and controls such things as heart rate, body temperature, digestion etc. The ANS is further divided into » Pa ...
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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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