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    Nervous System

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    Remember the basic functional unit of the brain is called the neuron – which is composed of the cell body‚ dendrite‚ and axon The dendrites are like branches with synapses for receiving messages. Axons take the impulses away from the cell bodies and may be covered with a lipid material – referred to as the myelin sheath…we’ll talk later about demyelinating diseases such as MS and Guillian Barre. Neurotransmitters – neurons generate and conduct electrical and chemical impulses by selectively

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    My Amazing Brain

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    Have you ever heard or said the phrase? “I changed my mind.” Well‚ one amazing fact that I found is that humans have the capacity and the choice to be able to change our own brains (Jensen‚ 2005). Our brains are comprised with billions of neurons. Neurons are cells specialized for the transmission of information and characterized by long‚ fibrous projections called axons and shorter‚ branchlike projections called dendrites. A person environment and life experiences can lead to changes in the

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    such potential future developments. Textbooks Really Will Be ’Intelligent’ Perhaps every student can remember sitting in study hall‚ struggling through some thick textbook full of arcane terminology and complicated new ideas that frazzled his neurons to the point of exhaustion. Well‚ students of the future are likely to have it a lot easier‚ because digital books equipped with artificial intelligence capabilities will guide them along with the patience and perceptiveness of their favorite kindly

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    membrane potential Independent Variable stimulus strength (voltage) Controlled Variables frequency of stimulation‚ type of neuron Experiment 2: Effect of Frequency of Stimulation on Action Potential Generation Dependent Variable membrane potential Independent Variable frequency of stimulation Controlled Variables stimulus strength (voltage)‚ type of neuron 1. Which part of the neuron was stimulated? 2. Where was membrane potential measured? 3. What was used to measure membrane potential? Results Table

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    The motion aftereffect is another example of neural adaptation as neurons coding for a particular movement (ie clockwise) reduce their response with exposure. The exposure of clockwise motion to these neurons reduces their baseline activity‚ and once the stimulus stops‚ the cells that code for the opposite movement (ie anticlockwise) have a higher response compared to the fatigued cells

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    PSY 230 OL Lecture Study Guides for Module 1 M1 L1 Respond to the following study guide items from lecture 1. What is the area of study involved in Abnormal psychology? a. Concerned with understanding the nature of causes and treatment of mental disorder b. No universal agreement c. People typically compare others behavior to their own 2. List 7 characteristic often associated with behavior that is considered abnormal. a. Suffering: someone experiences physical or emotional pain and discomfort

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    Beautiful Brains

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    years of 12 and 25. The brain has the least amount of growth during this phase‚ however it experiences vast reconstruction‚ absorbing everything that the synapses find useful to succeed in the life ahead. The brain begins to shape itself using the neurons extensively to make the mind more efficient for when adulthood comes. These traits acquired during adolescence stays with one even after maturation‚ leaving a permanent mark that is hard to change. The changes that the brain encounters begin to mold

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    When a patient has lost nearly 80% of their dopamine cells‚ these symptoms being to appear. It is currently unknown why dopamine-producing cells deteriorate‚ but many theories lead to genetic‚ environmental‚ and age-related factors. Genetics factors cause of Parkinson’s disease through a mutation in the genes responsible for dopamine and other vital proteins. Environmental factors are thought to be associated with Parkinson’s in that exposure to certain toxins such as pesticides can play a significant

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    Computer of the Future

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    computer‚ to give him a mission‚ to tell what it should do – all that we will be able to do with the help of our brain. All computer needs are neurons and impulse accessed from the surface of the human body‚ or muscle impulses picked up by electrodes on the arm‚ hand‚ face or forehead generated by physical movement. So when our brain will be active‚ our neurons start to work harder‚ we can replace a folder on the desktop for example‚ computer will understand this signal and do what we need. You can

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    The Main Body Tissues

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    The Main Body Tissues Introduction Tissue just means a group of cells that together carry out a particular job in your body. There are four different types of tissue within the human body. This consists of the connective tissue‚ the epithelial tissue‚ the muscle tissue and the nervous tissue. Each of these tissues are vital for our bodies and each tissue has a very important role to fulfil. Epithelial tissue Epithelial tissue protects your body from moisture loss‚ bacteria‚

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