Spence's Theory Suggests That the Peak Shift Phenomenon Will Only

question 62

Multiple Choice

Spence's theory suggests that the peak shift phenomenon will only occur when

• A)the excitatory and inhibitory generalization gradients overlap.
• B)the excitatory and inhibitory generalization gradients do not overlap.
• C)the inhibitory generalization gradient shifts towards the S+.
• D)the excitatory generalization gradient shifts away from the S-.

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Definitions:

Vertebra Prominens

The vertebra prominens refers to the most prominent vertebra, usually the C7 vertebra, marked by a longer and more palpable spinous process.

Axis

The second cervical vertebra (C2) of the spine, which allows the head to rotate.

Dens of the Axis

A prominent feature of the second cervical vertebra (axis), providing a pivot that allows the head and the atlas to rotate around the spinal axis.

Transverse Process

A bony projection off the side of each vertebra in the spine, to which muscles and ligaments attach.