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The most common symptom of inferior temporal lobe damage is visual agnosia, which involves impairment in the identification of familiar objects. Another less common type of inferior temporal lobe damage is prosopagnosia which is an impairment in the recognition of faces and distinction of unique individual facial features. [20]
The major cognitive impairment in mesial temporal lobe epilepsy is a progressive memory impairment. [ 14 ] : 71 This involves declarative memory impairment, including episodic memory and semantic memory , and is worse when medications fail to control seizures.
The associated autobiographical memory impairment is, however, a more puzzling consequence of medial temporal lobe pathology on this theory. It could be that epileptiform activity originating in the medial temporal lobe has the potential to disrupt the distributed neocortical traces required to maintain detailed autobiographical memories.
Prosopagnosia, [2] also known as face blindness, [3] is a cognitive disorder of face perception in which the ability to recognize familiar faces, including one's own face (self-recognition), is impaired, while other aspects of visual processing (e.g., object discrimination) and intellectual functioning (e.g., decision-making) remain intact.
The pathophysiology of anterograde amnesic syndromes varies with the extent of damage and the regions of the brain that were damaged. The most well-described regions indicated in this disorder are the medial temporal lobe (MTL), basal forebrain, and fornix. Beyond the details described below, the precise process of how we remember – on a ...
Frontotemporal dementia (FTD), also called frontotemporal degeneration disease [1] or frontotemporal neurocognitive disorder, [2] encompasses several types of dementia involving the progressive degeneration of the brain's frontal and temporal lobes. [3] Men and women appear to be equally affected. [1]
Lesions on the occipito-temporal lobes are correlated with associative agnosia. Associative visual agnosia is a form of visual agnosia . It is an impairment in recognition or assigning meaning to a stimulus that is accurately perceived and not associated with a generalized deficit in intelligence , memory , language or attention . [ 1 ]
Damage to the inferior left temporal lobe, which is shown in green, is associated with TSA. Transcortical sensory aphasia is caused by lesions in the inferior left temporal lobe of the brain located near Wernicke's area, and is usually due to minor hemorrhage or contusion in the temporal lobe, or infarcts of the left posterior cerebral artery (PCA). [4]