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Spikes Library

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Here are some sample files you can analyze. All these data were recorded with SpikerBoxes.

Cockroach Leg Spikes A short clip of a cockroach leg being brushed with a toothpick.

Cricket Neurons Courtesy of Walton Jones, this is a recording of a Cricket Cercal Prep.

Neuron Dying Sometimes during recordings you will hear a very rapid discharge of spikes from a neuron.

Dual Earthworm Recording This is a 2-channel recording of spikes in an Earthworm. You can measure Conduction Velocity! Electrodes were 3 cm apart.

Cockroach Leg Rhythmically Brushed In this experiment we taped a toothpick to a speaker head playing music, and let the other end of the toothpick rest on the cockroach leg.

Cockroach Antenna Recording Here we inserted a small wire into the antenna to record the spontaneous neural activity

Cricket Nicotine Injection While recording from a cricket cercal ganglion, a nicotine solution (acetylcholine agonist) was injected

Mealworm Beetle Larva A recording of spontaneous activity in a larva mealworm beetle

Saltamontes Large Grasshopper This is a standard leg recording from the hind (jumping) leg of a Chilean Grasshopper. Given the large size of the leg, and the putative large neurons inside, these were the highest amplitude spikes we have ever recorded (insect below).

EMG of Crab We implanted a small wire in one of the legs of the common green crab and recorded the electromyogram (EMG) while it was walking. These are action potentials, but they are generated by muscles, not neurons. See video of experiment below.


EEEG of Visual Cortex in Human Here is a reference recording we made of eyes closed versus eyes open while recording EEG over visual cortex, to help you learn what eyes closed versus eyes open looks like. In the .zip file is a .wav file containing the recording and a .txt file containing the eyes open and eyes closed times. Place both files in your SpikeRecorder recordings folder and open the .wav file within SpikeRecorder to examine this data with embedded markers.

Looking for some more sounds of neuroscience? You can also check Eric Chudler's Page at the University of Washington.