Biological Sciences 300/301, Smith College | Neurophysiology

Laboratory Instructions and Videos

http://www.science.smith.edu/departments/NeuroSci/courses/bio330/labs.html

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1

Using the Oscilloscope.

2

Circuits and Amplifiers.

Video: Large Capacitor Charging and Discharging.

Video: DAM 50 Amplifier High-Frequency Filters.

Videos require the free player for QuickTime, which you can download here.

3

Effect of potassium concentration on the resting potential.

Video: Intracellular Recording from Crayfish Muscle Cells.

Video: Making Microelectrodes.

4

Action potentials in earthworm giant axons.

Video: Giant Axons in the Earthworm Nerve Cord.

5

Computer simulations of action potentials.

Video: Using MetaNeuron's Controls.

6

Electroretinogram of the crayfish eye.

Video: Electroretinogram of the crayfish eye.

An article about this laboratory website appeared in the Journal of Undergraduate Neuroscience Education 2(1): A16-A22 (2003).

       

7

Motor units in the crayfish nerve cord.

Video: Motor Units in Crayfish Abdominal Ganglia.

8

Discussion: Crayfish swimmeret system.

Video: Crayfish Swimming.

Video: Swimmeret Movements.

9-12

Projects: Crayfish swimmeret system.

Video: Central Pattern Generator for Crayfish Swimmerets.

Supplement:

Anatomy of the crayfish nervous system.

Appendices:

Cables and Connectors

Rigol Digital Oscilloscopes

Capturing Oscilloscope Screenshots

Averaging Oscilloscope Sweeps

DAM50 Differential Preamplifiers

EasyGraf Chart Recorders

Capturing Data with PowerLab and LabChart

Saline solutions.

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