Neuroanatomy Physiology Neura

I’m working on a speech therapy multi-part question and need guidance to help me learn.

1. What are the distributions of Na+, Cl-, K+, and Ca2+ inside versus outside of the neuron? For each type of ion, describe what direction its concentration gradient propels it to flow in as well as what the effect of the electrical gradient across the membrane has for that ion based on its charge.

Specifications for credit:

  • Describes whether the concentration of each type of ion is greater inside or outside of the cell
  • Explains what direction (inside or outside of the cell) each type of ion should flow based on its concentration gradient
  • Explains what direction (inside or outside of the cell) each type of ion should flow based on its electrical gradient

2. Create a detailed flowchart that describes the phases and all the steps involved in creating a single action potential event from beginning to end. Begin your flowchart with the process of neural integration (i.e., summation) and end with its effect on a receiving neuron.

Specifications for credit:

  • Describes each step in the process of signal transmission within a neuron (5-7 steps)
  • Starts with neural integration of incoming signals
  • Ends with the signal being received by another neuron

3. Compare EPSPs and IPSPs. What causes these different potentials and what effects do they have on the neuron?

Specifications for credit:

  • Describes what causes EPSPs and IPSPs
  • Describes what effect EPSPs and IPSPs have on a neuron’s voltage potential


1. Describe the difference between sensation and perception.

Specifications for credit:

  • Defines sensation
  • Defines perception
  • Identifies how sensation and perception differ

2. Identify the similarities and differences between the three somatosensory systems (DCML, ALS, Trigeminal).

Specifications for credit:

  • .Identifies at least one way that all three somatosensory systems are similar
  • Identifies at least one way that the three somatosensory systems differ from each other

3. Define neuroplasticity and summarize the 3 scenarios of neuroplasticity presented in the chapter.

Specifications for credit:

  • Defines neuroplasticity
  • Describes each of the three scenarios of changes in tactile sensation to fingers described in chapter 6
  • Describes the brain changes that resulted from each of the three scenarios

You will find answers in the files uploaded below.

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