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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.
Somatoparaphrenia is a type of monothematic delusion where one denies ownership of a limb or an entire side of one's body. Even if provided with undeniable proof that the limb belongs to and is attached to their own body, the patient produces elaborate confabulations about whose limb it really is or how the limb ended up on their body.
Idiopathic, stroke, dementia Gerstmann syndrome is a neurological disorder that is characterized by a constellation of symptoms [ 1 ] that suggests the presence of a lesion usually near the junction of the temporal and parietal lobes at or near the angular gyrus .
A second area of discussion surrounds the question of whether there is a qualitative or quantitative difference between dissociation as a defense versus pathological dissociation. Experiences and symptoms of dissociation can range from the more mundane to those associated with post traumatic stress disorder (PTSD) or acute stress disorder (ASD ...
Following a stroke or other injury to the brain, functional deficiencies are common. The deficits are expected to be in areas related to the part of the brain that has been damaged; if a stroke has occurred in the motor cortex, deficits may include paralysis, abnormal posture, or abnormal movement synergies. [21]
Changes in the eye can help predict other health concerns in the body, such as diabetes and high blood pressure. A new study has identified a set of 29 vascular health indicators on the retina ...
Brain ischemia has been linked to a variety of diseases or abnormalities. Individuals with sickle cell anemia, compressed blood vessels, ventricular tachycardia, plaque buildup in the arteries, blood clots, extremely low blood pressure as a result of heart attack, and congenital heart defects have a higher predisposition to brain ischemia in comparison to the average population.
The conditions Capgras delusion and prosopagnosia have also been argued to represent a double dissociation. In the former, a patient is able to recognise a person but does not get the feeling of knowing them. [9] In the latter, a patient is unable to recognise a familiar person but sometimes has a feeling of knowing. [10] Psychology portal