Protocols for conducting basic and advanced laboratory exercises in neurophysiology including: evoked action potentials, extracellular recording techniques, intracellular recording techniques, latency period, threshold potential, recruitment, all-or-none response, refractory period, bidirectionality of impulse and conduction velocity of the nerve.
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Arthropod ERG
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Learn about the fundamental properties of electroretinograms of various arthropods, such as field-caught insects and spiders. Record the visual responses of an arthropod to various pulse durations and wavelengths of light.
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Artificial Axon Model
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LabChart 7
Download Artificial Axon Model Experiment v2 for Windows
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LabChart 8
Cockroach Sensory Nerve
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LabChart 7
Download Cockroach Sensory Nerve Experiment v2 for Windows
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LabChart 8
Cockroach Ventral Nerve Cord
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Crayfish Extracellular Nerve Recording
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Crayfish Postsynaptic Potential Recording
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Earthworm Action Potentials
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Obtain extracellular recordings of action potentials from an anesthetized earthworm (Lumbricus spp). Complete five exercises to examine and demonstrate threshold potential, recruitment, all-or-none response, refractory period, bidrectionality of impulse and conduction velocity of the nerve.
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Earthworm Smooth Muscle
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LabChart 7
Download Earthworm Smooth Muscle Experiment v2.3 for Windows
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LabChart 8
Electroencephalography
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LabChart 7
Download Electroencephalography Experiment v2 for Windows
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LabChart 8
Electromyography
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Record EMG during voluntary muscle contractions and investigate how contractile force changes with increasing demand. Examine the activity of antagonist muscles, see the phenomenon of coactivation and calculate nerve conduction velocity.
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LabChart 7
Download Electromyography Experiment v2.1 for Windows
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LabChart 8
Frog Nerve and Muscle
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Construct and calibrate a nerve bath setup in order to measure compound action potentials from an isolated frog sciatic nerve. Explore basic nerve physiological properties such as threshold, refractory period and conduction velocity.
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LabChart 7
Download Frog Nerve and Muscle Experiment v2.3 for Windows
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LabChart 8
Frog Nerve Compound Action Potentials
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Intracellular Recordings
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LabChart 7
Download Intracellular Recordings Experiment v2 for Windows
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LabChart 8
Introduction to LabChart
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