A Better Understanding: Neurochemistry of Addiction To better understand the fundamentals of neurochemistry‚ a good start is at the brain. The brain makes up the central nervous system and is connected to the whole nervous system that runs through the whole body. The central nervous system receives sensory information and controls the body’s response. For example‚ a pot on a stove would be extremely hot on the hands when the stove is on and would damage the skin. This sensory information is sent
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ion has the greatest electrochemical gradient? _sodium______ d. The net movement of these two ions would do what to the cell? _depolarize__ e. This would be called an ____excitatory________ postsynaptic potential‚ or __epsp__________________. 3. a. An inhibitory postsynaptic potential (IPSP) causes a neuron to __hyperpolarize_________________. b. An example of a neurotransmitter that causes an IPSP is ___gaba___________. c. What type of ions move into the cell in response to this neurotransmitter
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Mark scheme June 2002 GCE Biology B Unit BYB4 Copyright © 2002 AQA and its licensors. All rights reserved. The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales 3644723 and a registered charity number 1073334 Registered address: Addleshaw Booth & Co.‚ Sovereign House‚ PO Box 8‚ Sovereign Street‚ Leeds LS1 1HQ Kathleen Tattersall: Director General klm SECTION A Question 1 (a) GCE: Biology B – BYB4 June 2002 X = grana/lamellae/thylakoid
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INTRODUCTION TO NEUROLOGY content: Functions of the nervous system Structure of the nervous system Organisation of the nervous system Numerous functions Protection. Movement. Coordination. Control of cardiovascular system. Functioning of endocrine system. Maintenance of homeostasis. Structure Nervous system (NS) is a highly specialised‚ complex‚ interconnected network of neural tissue It coordinates‚ interprets and controls the
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NATI NA T ON NAALL CEN ENT NTTEER FO FOR CASE CCAASE SE SSTU T DDYY TEA TU EACH CHIN CH HIN INGG IN IN SSCI CIIEN ENCE CEE Escape from Planet Soma Mastering the Physiological Principles of Neuronal Signaling b by Sheri L. Boyce Department of Biological Sciences‚ Messiah College‚ Grantham‚ PA After a valiant but doomed battle in the distant Purkinje Galaxy‚ you are captured by the Glialiens‚ the most evil beings in all of the Cerebral Hemisphere. They imprison you in their outpost on the desolate
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drop in voltage (refer to Figure 1)‚ therefore indicating that inside the muscle was more negative in relation to the outside solution. The time when the pipette was intramuscular‚ the recording showed a steady reading of the intramuscular voltage potential (Figure 1). When the pipette was removed from the crayfish muscle and was back in the extracellular solution‚ the voltage measurement returned to baseline (Figure 1). The intramuscular recordings showed that all three crayfish muscles were depolarized
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Q2 : Do you agree with Erin Brockovich’s action ? why or why not? Yes I’m agreeing with Erin action. Erin as a legal Clerk has doing her responsibility to society. In her investigation‚ when she runs across some file on a pro bono case involving medical records in real-estate files‚ she had found that the Pacific Gas and Electric Company (PG&E) is the cause of water drinking contaminator in the southern California town of Hinkley. This contaminator threatens the health of an entire community.
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perception where recognition comes into play. * Perception is a three step process: * Stimulus (environmental‚ attended‚ receptors) electricity (transduction‚ transmissions‚ processing) experience and action (perception‚ recognition‚ action) * Perception recognition action * Transduction (turning light energy to chemical energy) transmission (between neurons) processing (neurons and brain making sense) * Perception relies upon two interacting processes * Bottom-up
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Chapter 13 Study Questions Spring 2014 Using the Figure‚ match the following: 1) Innervates the superior oblique muscle. 2) Longest cranial nerve. 3) Damage to this nerve would cause dizziness‚ nausea‚ and loss of balance. 4) Involved in movement of the digestive tract. 5) Damage to this nerve would cause difficulty in speech and swallowing‚ but no effect on visceral organs. 6) Damage to this nerve would keep the eye from rotating inferolaterally. Using the Figure‚ identify the following
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Illnesses’ that affect the brain; such as: bipolar disorder‚ schizophrenia and the many other mental illnesses discovered over the last few decades. More importantly than the epidemic of these illnesses‚ is the way that they are treated and the potential risks associated with treatment. This paper is designed to analyze the risk of an epidemic of deliberate self-harm caused by the utilization of anti-depressants and its impact on the field of biological psychology. The brain; whether of a
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