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disorder
492 studies tagged disorder, dated 1986-01-01 to 2026-03-31. Bibliography: BibTeX (.bib) · RIS (.ris)
Newest in this topic
- Synaptic loss in alcohol use disorder: clinical and mechanistic insights from a PET imaging study 2026-03-31
- Neighborhood environmental deprivation predicts the generalized neurocognitive deficit in schizophrenia 2025-12-19
- Bridging the Gap: Can Hippocampal Sclerosis Serve as a Surrogate Biomarker for LATE‐NC? 2025-12-01
Studies
492 studies carry this tag.
Date range
1986 to 2026
Top journals
- Neurology 38
- Biological psychiatry 36
- NeuroImage 32
- The American journal of psychiatry 22
- Proceedings of the National Academy of Sciences of the United States of America 20
148 journals in all.
Newest first, then by address. Each study has a usefulness score out of 100 (rubric version 4.0); tap a score to see what makes it up. Tags were assigned automatically from each study's title and summary. The same studies as a filter in the library.
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1. Sexual dimorphism of human brain anatomy has not been well-studied between 4 and 18 years of age, a time of emerging sex differences in behavior and the sexually specific hormonal changes of adrenarche (the predominantly androgenic augmentation of adrenal cortex function occurring at approximately age 8) and puberty. 2.
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45/100
Applications of the random fluid-based probabilistic atlas include the transfer of multisubject 3D functional, vascular, and histologic maps onto a single anatomic template, the mapping of 3D atlases onto the scans of new subjects, and the rapid detection, quantification, and mapping of local shape changes in 3D medical images in disease and during normal or abnormal growth and development.
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These findings, which are generally consistent with prior reports of reduced hippocampal volume in combat veterans with PTSD, suggest that diminished hippocampal size may be either a consequence of trauma exposure or a risk factor for the development of psychiatric complications following trauma exposure.
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The hippocampal formation, which contains high levels of adrenal steroid receptors, is vulnerable to insults such as stroke, seizures, and head trauma, and it is also sensitive and vulnerable to the effects of stress.
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Extrahippocampal volume abnormalities were bilateral and occurred in both temporal and extra-temporal cortical regions in TLE, whereas hippocampal deficits were related to the side of the epileptogenic focus.
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We examined the relation of APOE-epsilon 4, hippocampal volume, and cognitive performance in ten pairs of cognitively normal twins who had a mean age of 62.5 years (SD = 7.8).
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Our goal was to ascertain the involvement of the temporal lobe in the preclinical (not yet diagnosable) stages of dementia of the Alzheimer's type (DAT) by using MRI-derived volumes.
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In order to observe changes owing to aging and Alzheimer's disease (AD) in the volumes of subdivisions of the hippocampus and the number of neurons of the hippocampal formation, 18 normal brains from subjects who died of nonneurological causes and had no history of long-term illness or dementia (ten of these brains comprised the aged control group) and 13 AD brains were analyzed.
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Early outcome measures of experimental traumatic brain injury (TBI) are useful for characterizing the traumatic severity as well as for clarifying the pathomechanisms underlying patterns of neuronal vulnerability.
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High alcohol consumption for long periods of time causes significant hippocampal neurodegeneration in rodents.
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Volumetric measures in a group of patients with traumatic brain injury who had received MR imaging 3 months or less after injury were compared with measurements in other patients in the chronic phase of recovery.
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We have previously reported smaller hippocampal volume and deficits in short-term memory in patients with combat-related posttraumatic stress disorder (PTSD) relative to comparison subjects.
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One hundred patients with intractable temporal lobe epilepsy and 22 control subjects were scanned on a 1.5-T Siemens SP63 Magnetom scanner.
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This study used quantitative volumetric magnetic resonance imaging techniques to explore the neuroanatomic correlates of chronic, combat-related posttraumatic stress disorder (PTSD) in seven Vietnam veterans with PTSD compared with seven nonPTSD combat veterans and eight normal nonveterans.
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NAA-relative signal intensity reductions in schizophrenia appear to be remarkably localized, involving primarily the hippocampal region and the dorsolateral prefrontal cortex, two regions implicated prominently in the pathophysiology of this disorder.
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A 57-year-old woman showed progressive sensory aphasia as an initial symptom, and then developed total aphasia within 6 years and, finally, severe dementia.
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Hippocampal volumes of subjects with a history of major depressive episodes but currently in remission and with no known medical comorbidity were compared to matched normal controls by using volumetric magnetic resonance images.
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1H-MRS showed significantly lower N-acetylasparatate concentration in DAT and AAMI compared with controls.
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We have determined the volume and location of hippocampal tissue required for normal acquisition of a spatial memory task.
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This study examined relations of mesiotemporal lobe tissue volumes with neuropsychological (NP) functions in a sample of patients with first episode schizophrenia.
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These findings are consistent with a smaller right hippocampal volume in PTSD that is associated with functional deficits in verbal memory.
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Cerebral cortical dysgenesis (CD) is a heterogeneous disorder of cortical development and organization commonly associated with epilepsy, with a variety of subtypes.
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Black-capped chickadees (Parus atricapillus) in upstate New York show a peak in food-hoarding intensity in October.
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Correction processes can define absolute hippocampal volumes for correlation studies and may enable identification of unsuspected bilateral hippocampal volume loss.
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Magnetic resonance imaging was used to quantify the volume of the hippocampus in 47 men with chronic alcoholism and 72 healthy male control subjects.
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We studied the usefulness of measuring volumes of the hippocampus, amygdala and frontal lobes with coronal magnetic resonance imaging (MRI) scans in the diagnosis of early Alzheimer's disease (AD).
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In a neuropathological study of 81 brains of prospectively studied subjects of 80 years of age or older at the time of death, 13 cases (16%), including 4 men and 9 women, had hippocampal sclerosis (HpScl) affecting the vulnerable region of the hippocampus.
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In the study of brain morphometry, it is accepted that a relationship exists between brain structure and function, both normal and abnormal.
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Functional and structural neuroimaging techniques are increasingly indispensable in the evaluation of epileptic patients for localization of the epileptic area as well as for understanding pathophysiology, propagation, and neurochemical correlates of chronic epilepsy.
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41/100
Many neuropsychiatric disorders differ between the sexes in incidence, symptoms, and age at onset.
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We investigated the relationship between preoperative MRI hippocampal volumes and clinical neuropsychological memory test data obtained before and after temporal lobectomy and amygdalohippocampectomy for intractable epilepsy in 44 left (LTL) and 36 right (RTL) temporal lobectomy patients.
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The hippocampus plays an essential role in spatial learning.
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Hypercortisolemia is a frequently observed abnormality in patients with major depression.
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We quantified the synaptic population density in the frontal cortex of 25 individuals without dementia 16 to 98 years old, using sections double-immunolabeled for beta/A4 amyloid and for synaptophysin, and found a significant inverse correlation between the presynaptic terminal (PT) counts and age (r = -0.7, p < 0.001).
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We used magnetic resonance imaging to examine the morphologic characteristics of the amygdala/hippocampus, prefrontal cortex, and caudate nucleus in 29 healthy volunteers matched for age, gender, and head of household socioeconomic status and 44 patients with chronic schizophrenia.
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40/100
Both the amygdala and the hippocampus are involved in the pathogenesis of a number of neurologic conditions, including temporal lobe epilepsy, postanoxic amnesia, and Alzheimer's disease.
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The most common temporal lobe pathology is Ammons Horn sclerosis (AHS), and several different imaging techniques have been utilized to detect this with varying success.
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This finding is consistent with the notion that schizophrenia involves pathology of and dysfunction within a widely distributed neocortical-limbic neural network that has been implicated in, among other activities, the performance of cognitive tasks requiring working memory.
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Neuropathologic and neuroradiologic studies have reported hippocampal abnormalities in schizophrenics.
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36/100
In a study of two congeneric rodent species, sex differences in hippocampal size were predicted by sex-specific patterns of spatial cognition.
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In a study of 52 individuals belonging to 35 species or subspecies of passerine birds it was shown that the volume of the hippocampal complex relative to brain and body size is significantly larger in species that store food than in species that do not.
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The brains of 232 patients with a case-note diagnosis of schizophrenia or affective disorder who died in one mental hospital over a period of 22 years were weighed, and were assessed in a coronal section at the level of the interventricular foramina.
From across this tag
9 of the 492 studies in this tag, picked by a fixed rule (a hash of each study's address), not by score or date; each page of this list shows a different 9. The same 9 appear here every time.
- Magnetic resonance imaging of hippocampal subfields in posttraumatic stress disorder
- In contrast to many other mammals, cetaceans have relatively small hippocampi that appear to lack adult neurogenesis
- Stress effects on the hippocampus: a critical review
- The MIND diet association with lower microglial inflammation in the hippocampus: A Community‐Based Neuropathologic Study
- A computational atlas of the hippocampal formation using ex vivo, ultra-high resolution MRI: Application to adaptive segmentation of in vivo MRI
- Prevalence, laterality, and comorbidity of hippocampal sclerosis in an autopsy sample
- Gut microbiome, cognitive function and brain structure: a multi-omics integration analysis
- The ENIGMA Consortium: large-scale collaborative analyses of neuroimaging and genetic data
- Depression duration but not age predicts hippocampal volume loss in medically healthy women with recurrent major depression