acalculia
n. an acquired inability to make simple mathematical calculations. It is a symptom of disease in the dominant parietal lobe of the brain. See Gerstmann’s syndrome.
agraphia
The loss of the ability to write, which may or may not be connected with alexia, the loss of ability to comprehend the written or printed word. It is thought ...
alien hand sign
A form of apraxia, usually resulting from a lesion in the corpus callosum, in which a hand (usually the left) is experienced as not belonging to its owner and performs actions independent of, though ...
apraxia
(ă-praks-iă)an inability to make skilled movements with accuracy. This is a disorder of the cerebral cortex most often caused by disease of the parietal lobes of the brain.
autotopagnosia
A form of agnosia involving an impaired ability to identify parts of one's own body, often indicative of a lesion in the pathway between the thalamus and the parietal lobe. Often misspelt ...
Bálint's syndrome
A syndrome caused by bilateral brain damage in the area where the parietal and occipital lobes meet, characterized by optic ataxia, ocular apraxia (inability to shift gaze on command), and ...
central sulcus
The deep vertical cleft in each of the two cerebral hemispheres separating the frontal lobe from the parietal lobe. Also called the central fissure, the fissure of Rolando, or the Rolandic fissure. ...
Gerstmann syndrome
A neurological disorder characterized by left-right disorientation, agraphia, acalculia, and finger agnosia, generally associated with lesions in the parietal lobe of the dominant cerebral ...
lobe
n. a major division of an organ or part of an organ, especially one having a rounded form and often separated from other lobes by fissures or bands of connective tissue. For example, the brain, ...
mirror neuron
A neuron that is activated when a person performs a certain action or has a certain experience and also when the person observes someone else performing the same action or having the same experience. ...
readiness potential
A negative event-related potential, across wide areas of both frontal lobes, the motor cortex, and the parietal lobes of the cerebral cortex, gradually increasing for approximately a second to two ...
sagittal suture
The serrated line along the middle of the top of the skull where the left and right parietal bones join together.
topographagnosia
A form of agnosia involving an inability to find one's way around, read maps, draw plans, and perform similar functions, often associated with damage to the right hemisphere parietal lobe. See also ...
