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24 Cards in this Set

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What is a CBC?
This means a Complete Blood Count. The CBC indicates the number of white cells (infection) and hemoglobin levels (anemia)
Central Agraphia
Spelling disorder in both written and oral spelling that is related to a linguistic disturbance rather than a motor or sensory problem
What is another name for the Central Sulcus?
The Rolandic Fissure
Cerebellar Gait
A Wide based ataxic gate that has a lurching, and unsteady quality. Associated with dysfunction in the entire cerebellum or just the vermis
Cerebral Aqueduct
The canal between the third and fourth ventricles (a.k.a. Aqueduct of Sylvius) that trained cerebrospinal fluid this is a common sight of obstruction childhood hydrocephalus.
Cerebral Dominance
Used synonymously with cerebral language dominance although this term may also be associated with other domains such as visual-spatial dominance or handedness. Cerebral language dominance is assessed with WADA testing
Cerebral palsy
A motor system impairment from cerebral injury sustained in utero, during the perinatal period, or during infancy/early childhood. Patients may have MR, seizures or other neurologic complications. Pyramidal CP is the most common form and characterized by spasticity. Extrapyramidal CP associated with hypotonic or atonic muscle tone.
Cerebral thrombosis
And no collusion of the cerebral blood vessel by a clot or thrombus
Cerebral ventricles
Brain cavities or produce and contain CSF includes the lateral ventricles, midline third ventricle, and midline fourth ventricle.
Cerebrospinal fluid (CSF)
Fluid produced by the core rate complex is to protect and cushion the brain and spinal cord. Often examined as part of a neurologic workup to diagnose a number of disorders including meningitis, myelitis, MS, and subarachnoid hemorrhage.
Charpentier's Illusion
An illusion created by squeezing objects of different size followed by holding to objects of the same size. The illusion produced is that the object in the hand that previously squeeze the larger object feels as if it is now squeezing the smaller object (or vice versa). Movement illusions can also occur are known as the auto kinetic effect.
Chiasm
A crossing/decussation of two tracts
Chimeric Figures
Figures that are created with differing stimuli in each hemifield (e.g., a face with each half from a different person) the stimuli are often faces but complex designs and patterns have also been used.
Chorea
Involuntary, intermittent jerky movements of muscle groups that can involve the arms, legs, trunk etc.. Associated with a basal ganglia dysfunction. These movements subside during sleep... most common disorder associated is Huntington's disease
Choreoathetosis
A combination of athetoid and choreic movements... one sees an involuntary writhing of the face, tongue, Hans, feet. It has a variety of causes including neuroleptics, cerebral palsy, and Huntington's disease.
Chronic Obstructive Pulmonary Disease (COPD)
Diseases with poor expiration/airflow. May cause chronic hypoxia and result in cognitive decline.
Chronotaraxis
Inability to identify the date, time of day or season of the year.
Cicatrix in the brain
Scarring of the brain the results from injury. There are both vascular and glial components.
Cingulate Gyrus
The arch-shaped cortical gyrus just about the corpus callosum. Lesions in this area produce akinesia (a motor deficiency in the initiation of movement)
Cingulotomy and the cingulum
A surgical technique that sections the cingulum to treat chronic pain were to control obsessive compulsive disorders.

The cingulum is a bundle of association fibers under the cingulate gyrus. Contains afferent and efferent axons from other cortical regions
Circle of Willis
The ring of arteries at the base of the brain surrounding the optic chiasm. Allows for blood circulation from one internal carotid to the other, and from the vertbrobasilar to carotid circulation. There are two anterior communicating arteries connecting to two anterior cerebral arteries and two posterior communicating arteries. These connect the internal carotid arteries with the posterior cerebral arteries.
Circumlocution
Verbal conversation that begins with a specific subject but wonders to various other topics and eventually returns to the original subject matter. It also refers to the behavior characterized by talking around the word when one has word finding difficulties. Circumlocutions are common in fluent aphasias
Classical Conditioning
The process in which the neutral stimulus becomes capable of eliciting a response by its frequent pairing with the unconditioned stimulus. Considered a form of non-declarative or implicit memory.
Clonus
Rapid repetitive alternating muscle contractions and relaxation often seen in seizures, hyperactive tendon reflexes (ankle clonus)and myoclonic jerks.