Explain the difficulties presented in treating Parkinson's disease with medications.
What will be an ideal response?
The standard treatment for Parkinson's disease is the use of L-DOPA, the precursor to dopamine. However, this treatment is severely limited because, as additional dopamine neurons die, more and more L-DOPA must be administered to have any compensatory effects. Any drug treatments currently used are limited because they do not slow the progression of Parkinson's disease; they simply help with available levels of dopamine.
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The tiny space between the axon terminal of one cell and the dendrites of the next cell is called the
A) receptor site. B) synapse. C) dendrite knob. D) axon terminal.
Neuroscientists often categorize parts of the brain into gray matter and white matter. What makes the white matter regions appear white?
A) It contains only dendrites. B) It is composed of myelinated axons. C) It produces a natural bleaching chemical. D) It contains only white cell bodies.
Which brain structure contains various tracts so that sensory information can be divided and sent to different brain areas for vision, hearing, and other senses?
a) thalamus b) cerebellum c) hypothalamus d) reticular formation
If a child is creative, he or she is able to
A) reproduce others' work with little effort. B) achieve outstanding scores in a specific field. C) think convergently about problems. D) produce work that is original yet appropriate.