Neuroscience Techniques for Neurophysiology  lecture 6
23 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a technique used to determine long distance neuronal connections?

  • Neuronal tracing (correct)
  • Microdialysis
  • Immunofluorescence
  • Western blotting

What is anterograde tracing?

  • A technique that tracks the pathway of neural connections from the cell body to synapses (correct)
  • A method to visualize blood flow in the brain.
  • A technique for measuring electrical activity of neurons.
  • A method to observe the movement of neurotransmitters across synapses.

What is retrograde tracing in neuroscience?

  • A method to trace neural connections from source to termination (cell to synapse)
  • A technique used to study neuronal activity in real-time
  • A method to trace neural connections from termination to source (synapse to cell) (correct)
  • A procedure for isolating neurotransmitters from brain tissue samples

Which of these tracers are used in neuroanatomy? (Select all that apply)

<p>Anterograde (A), Retrograde (B), Viral vectors (C)</p> Signup and view all the answers

What is an EEG?

<p>A method for measuring electrical activity of the brain. (A)</p> Signup and view all the answers

What does EEG stand for?

<p>Electroencephalography (A)</p> Signup and view all the answers

What are the two types of resolution in neuroscience techniques?

<p>Temporal and Spatial (A)</p> Signup and view all the answers

What do temporal and spatial resolution mean in terms of neuroscience?

<p>Temporal resolution refers to the ability to distinguish events in time, while spatial resolution refers to the ability to distinguish locations in space. (A)</p> Signup and view all the answers

How does an EEG (Electroencephalogram) work?

<p>It records brain activity by detecting electrical impulses through electrodes placed on the scalp. (B)</p> Signup and view all the answers

What does an EEG show in terms of oscillations?

<p>Brain wave patterns at different frequencies (A)</p> Signup and view all the answers

Which wave has the highest frequency?

<p>Gamma Rays (D)</p> Signup and view all the answers

What are beta waves associated with in the context of brain activity?

<p>Movement (C)</p> Signup and view all the answers

What are brain-machine interfaces?

<p>Devices that allow direct communication between the brain and external devices. (A)</p> Signup and view all the answers

What does ECoG stand for?

<p>Electrocorticography (B)</p> Signup and view all the answers

What kind of patients is ECoG specifically used for?

<p>Patients with epilepsy (B)</p> Signup and view all the answers

Which technique has better spatial resolution, ECG or ECoG?

<p>ECoG (B)</p> Signup and view all the answers

What is the local field potential?

<p>The average electrical potential of a large population of neurons within a specific area. (B)</p> Signup and view all the answers

Which is more localized, ECoG or local field potentials?

<p>Local field potentials (B)</p> Signup and view all the answers

What is a visual evoked potential?

<p>A measurement of brain responses to visual stimuli- record activity in occipital lobe and a flash of light will show a characteristic result (A)</p> Signup and view all the answers

What is a peripheral non-invasive technique for perturbing the CNS?

<p>Electrical activation of axons in the nerve (D)</p> Signup and view all the answers

What is an example of mechanical perturbation of the CNS?

<p>Knee jerk reflex (A)</p> Signup and view all the answers

What does TMS stand for in neuroscience?

<p>Transcranial Magnetic Stimulation (A)</p> Signup and view all the answers

How does Transcranial Magnetic Stimulation (TMS) work?

<p>It uses magnetic fields to stimulate nerve cells in the brain. (A)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser