Nerves and Stimuli

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Nerves and Stimuli
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Nerve Cells
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Action Potential
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Synaptic Junctions
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Chemoreceptors
Hamster - taste bud
Moth antenna
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Mechano- and chemoreceptors
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Thermoreceptors
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Photoreceptors
Photosensitive cells - Planaria
Compound eye - Arthropods
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Nerve cells, stimuli and behaviour
Tail flip response in crayfish
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Tail flip response in crayfish
Lateral Giant interneuron (LGI)
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a. Correlation between nerve firing and response
Tail flip
Recording electrode
LGI
Stimulating electrode
Tactile stimulation
b. LGL is sufficent for response
Tail flip
Recording electrode
LGI
Stimulating electrode
Tactile stimulation
c. Hyperpolarizing nerve
Recording electrode
No tail flip
LGI
Stimulating electrode
Tactile stimulation
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Peripheral Processing of Stimuli Worm-catching
Toads
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Central Processing Optic Tectum of a Toad
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Central Pattern Generators (Motor Pattern
Generators)