• Actually, in neurological disorders, defects in certain brain regions may be at fault, such as in pathways interconnecting the basal ganglia, thalamus, and higher cortical centers, and pathways involved in hypothalamic-pituitary-diencephalic syndrome [ 11 ]. (biomedcentral.com)
  • RESULTS: Volumes of the caudate, thalamus, putamen, pallidum, hippocampus and nucleus accumbens (NAcc) were significantly reduced in the NPH patients compared to controls. (cam.ac.uk)
  • it is characterized by a single ventricle, absence of the corpus callosum and interhemispheric fissure, and fused thalami. (medscape.com)
  • According to meta-analyses 5-10 of structural brain changes in MDD, we hypothesized disease-specific decreases of gray matter density in the bilateral anterior cingulate cortex (ACC), hippocampus, and amygdalae and the right dorsomedial frontal cortex. (psychiatrist.com)
  • Individuals with insomnia ( n = 615) performed worse in executive function tests than non-insomniacs and displayed lower gray matter volume in left orbitofrontal and right middle temporal cortex, bilateral precuneus, posterior cingulate cortex and thalamus, higher gray matter volume in the left caudate nucleus, and widespread reduction of mean and axial diffusivity in right hemisphere white matter tracts. (biomedcentral.com)
  • Insomnia interacted with the APOE genotype, with APOE -ε4 carriers displaying lower gray matter volumes when insomnia was present, but higher volumes when insomnia was not present, in several gray matter regions, including the left angular gyrus, the bilateral superior frontal gyri, the thalami, and the right hippocampus. (biomedcentral.com)
  • Although "high-level" predictions about the cue-target contingency correlated with activity in supramodal regions such as orbitofrontal cortex and hippocampus, dynamic "low-level" predictions about the conditional target probabilities were associated with activity in retinotopic visual cortex. (jneurosci.org)
  • We show that "high-level" predictions about the strength of dynamic cue-target contingencies during crossmodal associative learning correlate with activity in orbitofrontal cortex and the hippocampus, whereas "low-level" conditional target probabilities were reflected in retinotopic visual cortex. (jneurosci.org)
  • When we see this diffuse volume loss throughout the brain affecting particularly the medial temporal structures hippocampus low bar structures, then this is very suggestive of a diagnosis of Alzheimer's Dementia. (brainreader.net)
  • In an individual patient with prominent coprolalia, such vocal tics were associated with activity in prerolandic and postrolandic language regions, insula, caudate, thalamus, and cerebellum, while activity in sensorimotor cortex was noted with motor tics. (baillement.com)
  • Then, reindex the thalamus subfield masks with unique integers (starting from 85 to N). Finally, add the re-indexed subfields to the parcellation image that does not contain the thalamus. (mrtrix.org)
  • By thoroughly overviewing previous findings, we hypothesized that meditation reduces pain-related neural activity in the ACC, insula, secondary somatosensory cortex, and thalamus. (frontiersin.org)
  • lhCortex,rhCortex,Cortex - volume inside the pial surface minus the volume inside the white surface minus tissue inside the ribbon that is not part of cortex (eg, hippocampus). (harvard.edu)
  • Severe hypoxia and anoxia results in diffuse neurodegeneration 15 whereas exposure to intermittent hypoxia has been shown to produce cellular damage within the CA1 region of the hippocampus and adjacent cortex in rats. (bmj.com)
  • Cortical segmentation into 78 brain-regions and 81,924 vertices was conducted with CIVET which facilitated a region-of-interest- (ROI-) and vertex-based analysis, respectively. (ox.ac.uk)
  • The present study used automated segmentation methods to investigate whether SDGM structure volumes are associated with cognitive and neuropsychiatric measures. (cam.ac.uk)
  • SDGM structure volumes were estimated using automated segmentation (FSL FIRST). (cam.ac.uk)
  • Enlargement of the third ventricle shows a particularly strong correlation with cognitive impairment, suggesting clinical relevance of damage to surrounding structures, such as the thalamus. (neurology.org)
  • 22 The close proximity of the thalamus to the third ventricle and the correlation between thalamic volume and third ventricle width suggest a role for the thalamus in MS-associated cognitive impairment. (neurology.org)
  • Thalamus Optimized Multi Atlas Segmentation (THOMAS): fast, fully automated segmentation of thalamic nuclei from structural MRI. (umassmed.edu)
  • Hemodynamic activity in the somatosensory and motor cortices and in the hippocampus and thalamus increased during penile stimulation, and thalamic activation was linearly dependent on self-reported sexual arousal. (snmjournals.org)
  • My current research interests are focused on ultra high-resolution imaging and segmentation of deep brain structures like thalamus and hippocampus and the specificity of their involvement in pathology such as alcoholism, multiple sclerosis, Alzheimer's disease, and essential tremor. (umassmed.edu)
  • The Neuroreader® Report shows the brain volume assessment, where you will find the brain volume structures, colors, corresponding segmentation, the volume in milliliters, the volume corrected for total intracranial volume with the total intracranial volume being representation of gray matter, white matter and cerebrospinal fluid. (brainreader.net)
  • Typically, when there are segmentation issues, they can be spotted pretty easily, and they can show up as distortions of the colors and the brain structures. (brainreader.net)
  • Except with volumetrics, you have a very high, thorough, and accurate segmentation in a short time period and hand drawn segmentations typically take longer on the order of five minutes for Neuroreader® on average for 45 brain structures compared to 40 minutes for the volumetric manual segmentation. (brainreader.net)
  • The sectioned images with high quality and the segmentation data of Visible Korean enabled the identification of detailed anatomical structures on the planes. (koreamed.org)
  • 2022. "Anatomical connectivity along the anterior-posterior axis of the human hippocampus: new insights using quantitative fibre-tracking. (mrtrix.org)
  • The inferior temporal gyrus recognizes complex shapes, objects, and faces or, in conjunction with the hippocampus, creates new memories. (wikipedia.org)
  • The reason why that's important is that it shows that if we compare the automated volumetric segmentation with Neuroreader® to so called gold standard anatomical segmentation by an anatomist that there's a very high degree of agreement between the two methods. (brainreader.net)
  • Using MRI data, for each participant, we constructed whole-brain interregional connectivity matrices by deterministic tractography and calculated the graph theoretical network measures, including the characteristic path length, global clustering coefficient, small-worldness, and betweenness centrality (BET) in 83 brain regions from the Desikan-Killiany atlas with subcortical segmentation using FreeSurfer. (nature.com)
  • McClure RE, Barha CK, Galea LA. 17β-Estradiol, but not estrone, increases the survival and activation of new neurons in the hippocampus in response to spatial memory in adult female rats. (jamanetwork.com)
  • Machine-learning-based brain MR image segmentation methods are among the state-of-the-art techniques for this task. (ccdataset.com)
  • In this brain MRI segmentation playground, part of the Calgary-Campinas (CC) dataset initiative, we investigate DA techniques for brain MR image segmentation using the 3 T portion of the CC-359 dataset. (ccdataset.com)
  • And we can see here that the overlap of colors to brain regions is very clearly delineated, suggesting an accurate segmentation, which is the purpose of these quality assessments images. (brainreader.net)
  • Efforts are therefore being made to implement active-contours, artificial intelligence, and graph -search to automatically segment retinal layers with accuracy macquarie trading app is the stock market a good economic indicator to that of manual segmentation, to ease clinical decision-making. (fondazionealdorossi.org)
  • EN] The automatic assessment of hippocampus volume is an important tool in the study of several neurodegenerative diseases such as Alzheimer's disease. (upv.es)
  • The hippocampi, thalamus, and globus pallidus, were smaller in volume relative to total cerebrum in the ASD participants. (ox.ac.uk)
  • This is a table volume and intensity statistics for each segmentation. (harvard.edu)
  • Briefly, start by removing the existing thalamus ROIs from the parcellation image (to create a parcellation image that does not contain left and right thalamus). (mrtrix.org)
  • And even though that it is not the only reason why the hippocampus might shrink in older individuals with these clinical presentations, that's the most likely reason we could encounter these findings. (brainreader.net)
  • And let's use the thalamus (indexed at 36 and 43) in this example (i.e., the goal is to replace the existing thalamus ROI with several smaller thalamus subfields). (mrtrix.org)
  • Recently, patch-based label fusion approaches have demonstrated state-of-the-art segmentation accuracy. (upv.es)
  • Nevertheless, the segmentations produced by machine learning models often degrade in the presence of expected domain shifts between the test and train sets data distributions. (ccdataset.com)
  • Automatic segmentation methods are important tools for quantitative analysis of Magnetic Resonance Images (MRI). (upv.es)
  • The Neuroreader® Report also has segmentation images showing color coded areas representing the different segmented areas. (brainreader.net)