Search results for "Verbal memory"
showing 10 items of 72 documents
Early imaging predicts later cognitive impairment in primary progressive multiple sclerosis
2010
Background: Cognitive impairment in primary progressive multiple sclerosis (PPMS) is common and correlates modestly with contemporary lesion burden and brain volume. Using a cohort/case control methodology, we explore the ability of MRI abnormalities, including those in the normal-appearing brain tissue, to predict future cognitive dysfunction in PPMS. Methods: Thirty-one patients recruited into a longitudinal study within 5 years of onset of PPMS were assessed neuropsychologically on average 5.5 years later along with 31 matched healthy controls. MRI data obtained at entry into the study (lesion metrics, brain volumes, magnetization transfer ratio histogram metrics, and magnetic resonance …
Domain-specific trends in cognitive impairment after acute ischaemic stroke.
2012
Little is known about the pattern of subacute cognitive domain impairments after ischaemic stroke, nor the temporal evolution of such impairments. Our objective was to investigate the pattern of cognitive impairment in different neuropsychological domains up to a year after ischaemic stroke. We included prospectively collected data from an observational database of stroke patients at the National Hospital for Neurology and Neurosurgery, Queen Square, London, UK. Patients were categorised into temporal groups according to the time between the index stroke and neuropsychological profiling. The prevalence of impairment in different cognitive domains was then compared between these categories. …
Cerebral Microbleeds and Long-Term Cognitive Outcome: Longitudinal Cohort Study of Stroke Clinic Patients
2012
<i>Background:</i> Vascular cognitive impairment causes significant disability in the elderly and is common following ischaemic stroke. Although the underlying mechanisms and prognostic factors remain unclear, small vessel diseases are known to contribute. Cerebral microbleeds (CMBs) are a magnetic resonance imaging (MRI) manifestation of small vessel diseases and may contribute to vascular cognitive impairment, particularly frontal-executive functions. We hypothesized that baseline CMBs would predict long-term cognitive outcome, specifically frontal-executive function. <i>Methods:</i> A cohort of consecutive patients found to have CMBs when first referred to a strok…
Neurocognitive Impairment in Bipolar Patients With and Without History of Psychosis
2008
Objective: Little is known regarding the impact of psychotic symptoms on the cognitive functioning of bipolar patients. Findings from previous reports are controversial and mainly focused on current psychotic symptoms. The main aim of this study was to ascertain whether the history of psychotic symptoms was associated with greater cognitive impairment in euthymic bipolar patients. Method: Sixty-five euthymic bipolar disorder patients (DSM-IV criteria; 35 with a history of psychotic symptoms and 30 without such a history) were assessed through a neuropsychological battery targeting attention, psychomotor speed, verbal memory, and executive functions. Thirty-five healthy controls were also in…
Bipolar I patients with and without a history of psychotic symptoms: do they differ in their cognitive functioning?
2007
Abstract Recently, many reports have consistently demonstrated cognitive deficits in patients with bipolar disorder (BD), but their relationship with symptomatology, specifically psychotic symptoms, remains unclear. Our main hypothesis was that a history of hallucinations and/or delusions in the course of BD-I is associated with severe cognitive deficits. We investigated several cognitive functions (memory, attention, verbal fluency and executive functions) in 18 BD-I patients with a history of psychotic symptoms (HPS+), 17 BD-I patients without a history of psychotic symptoms (HPS−), 33 schizophrenic patients and 26 healthy control subjects. Both groups of BD-I patients were more impaired …
Differential associations of cognitive insight components with pretreatment characteristics in first-episode psychosis
2014
An increasing number of studies have focused on cognitive insight (i.e. awareness of one's own thinking) in psychotic disorders. However, little is known about the premorbid and pretreatment correlates of cognitive insight in the early course of psychosis. One hundred and three patients experiencing first-episode psychosis (FEP) were assessed shortly after treatment initiation for cognitive insight. Pretreatment and baseline clinical, functional and neurocognitive characteristics were examined. The self-reflectiveness dimension of cognitive insight was independently associated with clinical insight and executive functioning, whereas self-certainty was associated with premorbid IQ, premorbid…
Testing odor memory : incidental versus intentional learning, implicit versus explicit memory
2002
International audience
Neurocognitive endophenotypes in schizophrenia and bipolar disorder: A systematic review of longitudinal family studies
2018
Although there is substantial evidence supporting the existence of neurocognitive impairment in patients diagnosed with schizophrenia (SZ) and bipolar disorder (BD), few studies have explored the field from an endophenotypic perspective. The present systematic review sought to identify longitudinal family studies exploring suitable neurocognitive endophenotypes in unaffected relatives of patients with SZ and/or BD. Following the PRISMA statement, only five follow-up studies met the inclusion criteria, comprising 79 SZ patients, 159 SZ unaffected relatives of SZ, 131 BD patients, 77 unaffected relatives of BD, and 248 controls. Verbal memory, auditory attention, face memory and emotion proce…
Verbal learning and memory and their associations with brain morphology and illness course in schizophrenia spectrum psychoses.
2012
The California Verbal Learning Test and structural brain imaging were administered to 57 subjects with schizophrenia spectrum disorders and 94 controls in a general population sample. Cases had lower semantic cluster scores. Poorer verbal memory strategies were associated with longer duration of illness and heavier use of antipsychotic medication. After controlling for duration of illness, sex, and total gray matter, poorer verbal memory was associated with lower gray matter volume in the cingulate cortex, juxtapositional lobule, right superior temporal gyrus, and precuneus. After controlling for use of antipsychotic medication, there was an association between higher serial clustering and …
Working Memory Alterations Plays an Essential Role in Developing Global Neuropsychological Impairment in Duchenne Muscular Dystrophy
2021
BackgroundNeuropsychological profile of Indian Duchenne muscular dystrophy (DMD) subjects remains unidentified and needs to be evaluated.MethodsA total of 69 DMD and 66 controls were subjected to detailed intelligence and neuropsychological assessment. The factor indexes were derived from various components of Malin’s Intelligence Scale for Indian Children (MISIC) and Rey Auditory Verbal Learning Test (RAVLT).ResultsPoor verbal and visual memory profiles were demonstrated by DMDs, which include RAVLT-immediate recall (IR) (p = 0.042), RAVLT-delayed recall (DR) (p = 0.009), Rey–Osterrieth complex figure test (RCFT)-IR (p = 0.001), and RCFT-DR (p = 0.001). RAVLT-memory efficiency index demons…