is the space between neurons called? the synapse 9. What are neurotransmitters? A chemical substance‚ such as acetylcholine or dopamine‚ that transmits nerve impulses across a synapse. 9b? Where are they stored in the neuron within motor neuron endings 10. Neurotransmitters can be excitatory or inhibitory. Explain. Excitatory neurotransmitters decrease the negativity of postsynaptic membrane potentials; inhibitory
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Neuro- is nerves and transmitter can send waves that carry a signal. In other words‚ a neurotransmitter is sort of like a mail man‚ although in this case instead of being called a mail man‚ it is called a chemical messenger. Like a mail man‚ a chemical messenger can transmit signals or codes from one neuron to another. And the way that this takes place is by synapses. There are two synapses that have two different names that are allowing these neurons to communicate or send messages to one another
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opioid receptors in medullospinal adrenergic pathway of the brain. The site of origin of medullospinal adrenergic pathway is in the locus ceruleus. When the site is stimulated‚ inhibition of neurotransmitters and alleviation of firing of nociceptor neurons occur. Inhibition of the release of neurotransmitters is stimulated by peripheral A and C fibers. The dorsal horn of the spinal cord is responsible for the analgesic effects of Dexmedetomidine. Administration of Dex (hypnotic dose) in laboratory
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Biological explanations for anorexia nervosa Biological explanations for anorexia nervosa include neural explanations and evolutionary explanations. 1st BIOLOGICAL EXPLANATION - Neurotransmitters -Serotonin Disturbances in the levels of the neurotransmitter serotonin appear to be a characteristic of individuals with eating disorders. Kaye 2005 found a reduction in the levels of the serotonin metabolite 5-HIAA in people with eating disorders. This suggests that brain serotonin pathways are underactive
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alcohol are: liver disease‚ high blood pressure‚ muscle weakness‚ anemia‚ clotting disorders‚ gastrointestinal inflammation‚ and weakened bones. Aspirin is used to treat pain for inflammation and work by blocking production of pain enhancing neurotransmitters‚ such as prostaglandins. Acetaminophen is also effective against pain. Aspirin acts locally at the site of the pain to stop it from producing pain signals. Aspirin can be good or bad by helping to prevent heart attacks. Lidocaine is a local
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also depress the actions of the excitatory neurotransmitter glutamic acid via binding to the AMPA receptor (can cause full surgical anesthesia and pronounced central depressant effects – low margin of safety). f. If GABA is not present‚ benzodiazepines cannot produce their effects (they can increase the frequency but cannot initiate; only GABA opens the channels). 4. Name GABAA and GABAB receptor agonist a. GABAA is the major inhibitory neurotransmitter in spinal cord‚ hypothalamus‚
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nerves or the nervous system of the brain. The brain has a specific neurotransmitter deficiency‚ norepinephrine. Norepinephrine requires dopamine in order to function correctly. The building basic for norepinephrine molecule is dopa‚ which converts into dopamine‚ then into norepinephrine. A person with ADHD this process is reformed by a certain gene creating low levels of norepinephrine (Batts). Moving forward‚ dopamine are neurotransmitter‚ a chemical that moves though out
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Understanding Words * acetabul-: vinegar cup * adip-: fat * aer-: air * alb-: white * an-: without * ana-: up * anul-: ring * Apo-: away from * Append-: “to hang something”; * arth-: joint * Astr-: starlike * aud-: to hear * Ax-: axle * ax-: axis * Bi-: two * Bio-: life * blast: bud * burs-: bag‚ purse * calat-: something inserted * canal-: channel * Cardi-: referring to the heart * carp-: wrist
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Depression is a state of low mood and hatred to activity that can have negative effects on an individual’s behavior‚ feelings‚ thoughts‚ view of the world‚ and physical status. Most people feel anxious or depressed at times. Losing a loved one‚ getting fired from a job‚ going through a divorce‚ and other difficult situations can lead a person to feel sad‚ lonely‚ scared‚ nervous‚ or anxious. These feelings are normal reactions to life’s stressors. But some people experience these feelings daily
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Current Issues in Psychopharmacology Paper: Deliberate Self-harm and Anti-depressants Small pox‚ measles‚ influenza‚ yellow fever and cholera: all have one thing in common; they all are epidemics that have crossed over America in waves. Epidemics happen every year; the current epidemic America is preparing for is the H1N1 swine flu. Small pox‚ measles‚ and influenza are just a few of the epidemics seen in America; but‚ what about the forgotten epidemics; the unexplained illnesses that have
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