Search results
Results From The WOW.Com Content Network
Recent studies have used fMRI to explore specific brain networks, such as the salience network and default mode network, to understand their roles in schizophrenia-related symptoms. Alterations in these networks may affect self-referential thoughts and responses to external stimuli, potentially contributing to symptoms like hallucinations and ...
The result means that, of these, 21 will not be identified as having schizophrenia by use of FRS (43% of 48). Then, of the 52 people really without schizophrenia, 10 may be incorrectly diagnosed with schizophrenia by the FRS. Diagnosis of schizophrenia from other types of psychosis Sensitivity 58.0 (50.3, 65.3) Specificity 74.7 (85.2, 82.3)
An example of an fMRI scan. Since hypofrontality is a condition that alters blood flow and brain glucose metabolism levels, fMRIs or PET scans are used to diagnose hypofrontality. The decrease in blood flow can be best diagnosed with an fMRI, HMPOASPECT, or H2O-PET studies; the decrease in glucose levels can be diagnosed best with 18F-FDG PET ...
Cannabis is a known risk factor for developing psychosis that can progress to schizophrenia but this is the first time researchers have found brain-level changes in an at-risk population in real time.
Functional magnetic resonance imaging (fMRI) has become a tool in understanding brain activity and connectivity differences in individuals with schizophrenia. Through resting-state fMRI, researchers have observed altered connectivity patterns within several key brain networks, such as the default mode network (DMN), [ 166 ] salience network (SN ...
The causes of schizophrenia that underlie the development of schizophrenia, a psychiatric disorder, are complex and not clearly understood.A number of hypotheses including the dopamine hypothesis, and the glutamate hypothesis have been put forward in an attempt to explain the link between altered brain function and the symptoms and development of schizophrenia.
Chen, a doctoral student at the National University of Singapore, is part of a team of researchers that has shown they can decode human brain scans to tell what a person is picturing in their mind ...
The risk of enlarged ventricles on brain scan (associated with schizophrenia symptoms and biologically suggestive of Emil Kraepelin's dementia praecox) was greatly increased if the subjects had both a higher genetic load for schizophrenia and lower birthweight. The investigators suggested that in utero insults may specifically stress those with ...