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This state of affairs cannot be regarded as satisfactory, for they are not truly cases of melancholia, paranoia, dementia praecox or any other described affection. This disease, as its name suggests, is a hallucinatory case, for it is its main feature. These may be of all senses, but auditory hallucinations are the most prominent.
Driving ability may be impaired early in DLB because of visual hallucinations, movement issues related to parkinsonism, and fluctuations in cognitive ability, and at some point it becomes unsafe for the person to drive. [199] Driving ability is assessed as part of management, and family members generally determine when driving privileges are ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 February 2025. Long-term brain disorders causing impaired memory, thinking and behavior This article is about the cognitive disorder. For other uses, see Dementia (disambiguation). "Senile" and "Demented" redirect here. For other uses, see Senile (disambiguation) and Demented (disambiguation). Medical ...
Studies show that visual hallucinations are present in 16%–72% of patients with schizophrenia and schizoaffective disorder. [5] [22] [16] [14] In delirium, visual hallucinations have been observed in 27% of patients. [14] [13] Furthermore, visual hallucinations are reported in over 20% of individuals with dementia with Lewy bodies. [14] [23]
This category reflects the organization of International Statistical Classification of Diseases and Related Health Problems, 10th Revision. Generally, diseases outlined within the ICD-10 codes H46-H48 within Chapter VII: Diseases of the eye, adnexa should be included in this category.
Posterior cortical atrophy (PCA), also called Benson's syndrome, is a rare form of dementia which is considered a visual variant or an atypical variant of Alzheimer's disease (AD). [ 1 ] [ 2 ] [ 3 ] The disease causes atrophy of the posterior part of the cerebral cortex , resulting in the progressive disruption of complex visual processing . [ 4 ]
Paraphrenia is often associated with a physical change in the brain, such as a tumor, stroke, ventricular enlargement, or neurodegenerative process. [4] Research that reviewed the relationship between organic brain lesions and the development of delusions suggested that "brain lesions which lead to subcortical dysfunction could produce delusions when elaborated by an intact cortex".
A short-term change in the levels of feedforward and feedback flows of information may intensely affect the presence of hallucinations. [10] In periods of drowsiness, CBS related hallucinations are more prone to arise. [10] Disrupting cortical homeostatic processes after vision has been lost may prevent or setback the emergence of ...