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Damage to the substantia nigra causes a decrease in the neurotransmitter dopamine. This causes a gradual, generalized increase in muscle tone, which is the main syptom of
Requires the coordinated activity of several regions of the brain
Complex motor activities such as riding a bicycle
Gustatory receptors are sensitive to dissolved chemicals but insensitive to light. This is due to
The spinal tract that carries sensation from the proprioceptors to the CNS is the
The spinal tract that relays information concerning pain and temp to the CNS is the
spinothalmic pathway, posterior column pathway, spinocerebellar pathway
Each of the following is an ascending tract in the spinal cord
Process sensory information and relay it to the cerebrum
Which of the following is a function of the thalamus?
are a collection of nuclei at the rostral end of the dorsal thalamus
The anterior nuclei of the thalamus
Produces ADH, secretes oxytocin, regulates body temp, controls autonamic centers
Which of the following is a function of the hypothalamus?
Yes - hippocampus, amygbaloid, cingulate gyrus
No - caudate nucleus, functions in maintaining homeostasis in cold weather
Which of the following is a component of the limbic system?
Only about _____ percent of the information provided by afferent fibers reached the cerebral cortex and our awareness
Sensory neurons from specific body regions project to specific cortical regions
We can localize sensations that originate in different areas of the body because
The descending spinal tract that crosses to the opposite side of the body within the cord is the _____ tract
Axons that decussate between the pyramids of the medulla oblongata belong to the ____ tract
Cortical regions that interpret sensory information or coordinate motor respinses are called ___ areas
Prefrontal cerebral cortex
The region of the brain responsible for predicting the consequences of events or actions is the
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