Chapter 4 & 5

1. In the human retina, messages go from receptors at the back of the eye to ___ cells.
7. Is a programmed mechanism of cell death.
10. Is an extreme overlap of cortical representation of the fingers.
11. The mechanism of fetal ____ syndrome probably relates to apoptosis.
12. ___ cells proliferate after a stroke.
13. Alcohol suppresses the release of ___, the brain's main excitatory transmitter.
14. Promotes the survival and growth of the axon.
17. The lateral geniculate nucleus is part of the ___.
19. After cells have differentiated as neurons or glia, they ___.
20. In comparison to the rods, cones are more ___ to detail.
22. The name of the point at which the optic nerve leaves the retina is called the ___ spot.
23. Color and brightness constancy are the best explained by the ___ theory of color vision.
24. Heightened sensitivity to a neurotransmitter after the destruction of an incoming axon is known as ___ supersensitivity.

2. Production of a new cells.
3. The fluid-filled cavity of the developing neural tube becomes the ___ system.
4. In ___ vision, each ganglion cell is excited by a single cone.
5. The formation of new synapses is called ____.
6. ___ in the human brain continues well into the adult years.
8. Chemicals that release energy when struck by light.
9. Most common type of stroke.
10. What is the process called when a primitive neuron begins to develop dendrites and an axon?
15. Bipolar cells send their messages to ___ cells, which are located close to the center of the eye.
16. Peripheral vision mainly depends upon___.
18. After the migrating neuron reaches its destination, ___ begin to form.
21. A continuing sensation of an amputated body part is called ___ limb.