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Gerstmann syndrome is typically associated with damage to the inferior parietal lobule of the dominant hemisphere. It is classically considered a left-hemisphere disorder, although right-hemisphere damage has also been associated with components of the syndrome. [2] It is named after Jewish Austrian-born American neurologist Josef Gerstmann. [3]
Lateral brain damage can also affect visual perceptual spatial resolution. People with left hemisphere damage may have impaired perception of high resolution, or detailed, aspects of an image. People with right hemisphere damage may have impaired perception of low resolution, or big picture, aspects of an image.
Aphasia can also sometimes be caused by damage to subcortical structures deep within the left hemisphere, including the thalamus, the internal and external capsules, and the caudate nucleus of the basal ganglia. [44] [45] The area and extent of brain damage or atrophy will determine the type of aphasia and its symptoms.
Animation highlighting the parietal lobe of the left cerebral hemisphere. Although it is still unclear what precise deficits in brain function cause the symptoms of autotopagnosia, the location of brain damage is not as ambiguous. Autotopagnosia is most often attributed to lesions in the parietal lobe of the left hemisphere of the brain.
Damage to the left hemisphere of the brain has been explicitly implicated in the associative form of visual agnosia. [ 12 ] [ 13 ] Goldberg suggested that the associative visual form of agnosia results from damage to the ventral stream of the brain, the occipito-temporal stream, which plays a key role in object recognition as the so-called ...
TMoA is generally characterized by reduced speech output, which is a result of dysfunction of the affected region of the brain. [1] The left hemisphere is usually responsible for performing language functions, although left-handed individuals have been shown to perform language functions using either their left or right hemisphere depending on ...
Activity in the right hemisphere was greater in women when exposed to unpleasant images than men, though men showed more activation bilaterally while viewing pleasant pictures. [ n 8 ] Another study found that women but not men, with women had greater activation of their right hemisphere while viewing unpleasant faces and left hemisphere ...
Callosal syndrome, or split-brain, is an example of a disconnection syndrome from damage to the corpus callosum between the two hemispheres of the brain. Disconnection syndrome can also lead to aphasia , left-sided apraxia , and tactile aphasia, among other symptoms.