Excitotoxicity Is Caused by

question 38

Multiple Choice

Excitotoxicity is caused by

• A)insufficient synaptic release of glutamate.
• B)excessive synaptic release of glutamate.
• C)GABA inhibition.
• D)insufficient synaptic release of Ach.

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Definitions:

Auditory Hair Cells

Sensory cells located in the cochlea of the inner ear that convert sound waves into electrical signals for the brain to interpret as sound.

Rods and Cones

Photoreceptor cells in the retina of the eye, with rods being responsible for vision at low light levels and cones being responsible for color vision and detail.

Pitch Perception

The process by which sounds are interpreted as being high or low, dependent on the frequency of the sound waves.

Frequency Theory

A theory in hearing that suggests the perception of pitch is related to the frequency at which the entire basilar membrane vibrates.