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Biotechnology and Biomedical Engineering
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Neurophysiology Virtual Lab (pilot)
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Measuring Field Potentials Using MEA chips
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Measuring Field Potentials Using MEA chips
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Theory
Procedure
Self Evaluation
Animation
Assignment
Reference
Feedback
1)
MEA stands for
Multi Electron Analysis
Multi Electrode Array
Multiple Excitation Array
Multi Electrode Analysis
2)
Why is MEA chip is used?
Cell-attached patch clamp
Analyze position of cell body with respect to dendrites
Make extracellular recordings
Study brain shape
3)
What is extracellular field potential?
Ionic currents
electrical potential produced by cell, outside the cell
Membrane voltage of a neuron
Combination of synaptic potentials inside a dendrite
4)
What do size and shape of recorded potential do not depends on?
Nature of MEA electrode
Nature of contact between cells and electrode
Nature of medium in which cells are located
Data sampling rate
All the above
5)
What is a range of extracellular signals?
few hundreds of femto Volts
few kilo Volts
100 volts
Upto few milli Volts
Cite this Simulator:
vlab.amrita.edu,. (2011). Measuring Field Potentials Using MEA chips. Retrieved 10 October 2024, from vlab.amrita.edu/?sub=3&brch=43&sim=135&cnt=3
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