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This is due the influential development in the scanner hardware, where it now allows for technicians to retrieve higher resolution images in a shorter amount of time. Additionally, there has been an improved motion correction and harmonization, which both aid in the generalizability and replication of findings in schizophrenia research. [3]
For instance, individuals with schizophrenia without blunted affect show activation in the following brain areas when shown emotionally negative pictures: midbrain, pons, anterior cingulate cortex, insula, ventrolateral orbitofrontal cortex, anterior temporal pole, amygdala, medial prefrontal cortex and extrastriate visual cortex.
Recognizing emotional expressions in images of human faces is a particularly important component of face perception with clear implications in human social interactions. People with schizophrenia reportedly perform poorly compared with healthy adults when asked to identify facial emotions.
Several models have been put forward to explain the link between altered brain function and schizophrenia. [27] The prevailing model of schizophrenia is that of a neurodevelopmental disorder, and the underlying changes that occur before symptoms become evident are seen as arising from the interaction between genes and the environment. [126]
In addition to changes in the cingulate cortex more brain structures show changes in people with schizophrenia as compared to controls. The hippocampus in people with schizophrenia was found to be smaller in size when compared with controls of the same age group, [ 21 ] and, similarly, the caudate and putamen were found to be smaller in volume ...
This is because schizophrenia impairs one's capacity to perform top-down processing and a higher-level integration of visual information beyond the primary visual cortex, V1. [6] Understanding how this specifically occurs in the brain may help in understanding how visual distortions, beyond imaginary hallucinations, affect schizophrenic ...
MRI studies have found a smaller brain volume and larger ventricles in people with schizophrenia – however researchers do not know if the shrinkage is from the schizophrenia or from the medication. [140] [141] The hippocampus and thalamus have been shown to be reduced in volume; and the volume of the globus pallidus is increased. Cortical ...
Brain morphometry is a subfield of both morphometry and the ... (like schizophrenia). ... MR images have also been obtained from the brain of a 3200-year-old Egyptian ...
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