Neuron structure

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Neuron structure

  1. 1. Chapter 2Neuroscience and Consciousness<br />Neurons- the system’s basic building blocks<br />Each consists of a cell body and branching fibers<br />
  2. 2. Dendrites/Axon<br />Dendrites- receive messages and conduct them toward the cell body<br />Axon- sends out messages to other neurons<br />The dendrites listen while the axons speak<br />
  3. 3.
  4. 4. Synapse<br />Synapse- space between the axon of one neuron and the dendrite of another (they do not touch)<br />How does it send messages if they do not touch?<br />Your neural system converts an electrical impulse into a chemical message called neurotransmitters<br />
  5. 5. Neurotransmitters<br />Serotonin- can make us more or less moody, hungry, sleepy, or aroused<br />Not enough serotonin can lead to depression<br />Dopamine- influences our movement, learning, attention, and emotions<br />Too much could lead to schizophrenia, and too little to tremors or Parkinson’s disease<br />Look at chart in book on page 30<br />

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