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 172,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This study examined dichotic listening performance in three subtypes of developmental dyslexia and in children with left temporal lobe brain tumors (clinical contrast group). Each child was administered a free-recall CV syllable dichotic paradigm (30 pairs). Analysis of variance and Tukey-HSD pairwise follow-up comparison indicated that the dichotic listening performance of the left temporal lobe brain tumor contrast group (strong LEA/right ear suppression) was significantly different from those of the visual-spatial/dyseidetic (strong REA/left ear depression) and mixed (moderate REA/bilateral ear suppression) dyslexic subtypes. The language disorder/dysphonetic dyslexic subtype demonstrated a REA with right ear depression. Closer inspection of the individual performances of the language disorder/dysphonetic dyslexic subtype revealed a bimodal distribution with 12 subjects demonstrating a strong LEA/right ear suppression and 8 subjects exhibiting a strong REA/left ear depression. These results lend support for the contention that the dyslexic population is heterogeneous in nature with each subgroup exhibiting (1) a distinct neuropsychological test profile and reading pattern and (2) a pattern of performance on the dichotic listening task which is consistent with what would be expected based upon the pattern of dysfunction exhibited on neuropsychological evaluation.
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PMID:Dichotic listening performance in subtypes of developmental dyslexia and a left temporal lobe brain tumor contrast group. 154 Aug 24

Prosodic contours in the verbal output of 30 patients with Idiopathic Parkinson's disease were contrasted to those of fifteen age-, sex-, and educationally matched normal subjects. All subjects were tested for language disorder, dementia, depression, and the comprehension of linguistic prosody. The striking disorder of prosody in Parkinson's disease relates to motor control, not to a loss of the linguistic knowledge required to make prosodic distinctions. It appears that prosody, language and the motor planning of speech are integrated at a basal ganglia level.
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PMID:A characterization of the prosodic loss in Parkinson's disease. 245 20

Sixty-one inpatients manifesting chronic aphasic syndromes were reviewed. Most aphasic patients with behavioral abnormalities sufficiently severe to require hospitalization had posterior hemispheric lesions and fluent disorders. Thirty-eight (62%) had fluent aphasia, eight (13%) had nonfluent aphasia, and 15 (25%) had anomic, global, or transcortical aphasic syndromes. Delusions were more common among patients with fluent aphasias (58%), whereas depression was the most common psychiatric disorder among patients with anterior lesions (63%). Elation occurred in 12 patients, 11 with posterior lesions and 1 with a nonlocalizing syndrome. Neuropsychiatric disturbances in patients with chronic aphasia syndromes correlate with the type of language disorder and with the location of the associated lesion.
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PMID:Delusions and mood disorders in patients with chronic aphasia. 253 28

This article defines the language disorder of aphasia and the motor speech disorders of apraxia of speech and the dysarthrias. Discussion includes depression and the five definable sets of behaviors related to the phenomenon: motor-expressive behaviors, affective, cognitive, motivational, and somatic, and the relationship of self-concept to both depression and visual and verbal thought. Detailed discussion of treatment of chronic depression inpatients with non-organic reactive factors is presented. These include positive reinforcement of desirable behaviors, avoidance of verbal punishment, labeling the disorder for the client and family, and time structuring or scheduling to assist in motivation. In addition, implementation of support from family, friends, and social relationships, tolerance of expressions of frustration and anger by the client, and environmental manipulation are considered therapeutic interventions.
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PMID:Guidelines for treatment of chronic depression in the aphasic patient. 264 12

This study evaluated Alzheimer disease (AD) patients' awareness of impairment in several domains, including cognitive, psychiatric, and behavioral functioning. Ratings made by 13 patients with moderate to moderately severe probable AD were compared with ratings made by their relatives using the Cognitive Behavior Rating Scales (Williams et al., 1985; Williams, 1987). Unawareness was defined as the discrepancy between informant and patient ratings. Informants consistently rated patients' impairment as more severe than the patients rated themselves. However, the discrepancy between the ratings was statistically significant only for Language Disorder, Higher Cognitive Deficits, Memory Disorder, Dementia, and Apraxia, and not for Agitation, Need for Routine, Depression, and Disorientation scales. Unawareness was not related to severity of memory impairment, as measured by the Rivermead Behavioural Memory Test (Wilson et al., 1985). The results of this small, preliminary study of relatively severely impaired AD patients suggest that awareness of psychiatric and behavioral problems may be relatively preserved compared to awareness of cognitive problems. These findings should be replicated with a larger sample with a broader range of severity.
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PMID:Anosognosia in Alzheimer disease. 760 23

Thirty-nine patients with probable Alzheimer's disease (AD) were studied with [99mTc]HMPAO SPECT and a standardized neuropsychological battery testing intellect, memory, attention, language, motor and praxis functions, and depression. Spearman rank correlations and multivariate regression analyses were performed to correlate quantitative regional perfusion deficits to these tests. Patients were found to have decreased perfusion of left frontal, parietal, and temporal regions relative to right. WAB repetition scores and bilateral temporal flow were significantly correlated (P < 0.01). Correlations between visual memory and bilateral temporal flow and those between Mini-Mental State/ Geriatric Depression Scale scores and bihemispheric flow approached significance. Although in this study regional cerebral blood flow was relatively insensitive to neuroanatomical abnormalities underlying specific cognitive deficits, it may have some specificity for identifying the language disorder in AD.
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PMID:Correlations between SPECT regional cerebral blood flow and psychometric testing in patients with Alzheimer's disease. 901 31

Alzheimer's disease (AD) has become recognised as a major cause of morbidity and mortality in the ageing population worldwide. Over 20 million people worldwide are affected by AD, which ensures that the disease imposes a major economic burden. Alzheimer's disease is a progressive neurodegenerative disorder with characteristic clinical and neuropathological features. Neurofibrillary tangles, neuritic plaques and amyloid angiopathy occur in varying severity in brains of patient's with Alzheimer's disease. Biological markers of AD allowing an early definitive premorbid diagnoses are currently not available. Memory loss for recent events is invariable and often the earliest prominent symptom. Language disorders, difficulties with complex tasks, depression, psychotic symptoms and behavioral changes are other common manifestations of AD. Diagnosis involves the early detection of cognitive decline and ruling out other causes of dementia like vascular dementia, Lewy body dementia, fronto-temporal degeneration or reversible causes like hypothyroidism. Acetylcholinesterase inhibitors have shown to be effective in mild to moderate AD in improving the cognitive function of patients in clinical trials. Caregiver intervention programs have considerable potential to improve both the caregiver and patient quality of life.
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PMID:Diagnosis and management of Alzheimer's disease--an update. 1107 82

Magnetic resonance imaging (MRI) studies of the caudate nucleus have reported reversal asymmetry and alterations of its size, suggesting a striate cortical disorder related to attention-deficit hyperactivity disorder (ADHD). The objective was to evaluate whether alterations of the asymmetry and size of the caudate nucleus head exist in a sample of well-controlled 7- to 11-year-old Colombian children, with different types of ADHD. Two groups of cases-ADHD of the combined type and ADHD of the inattentive type-and one control group, were selected. Multiple methods for assessing ADHD (rating scales, psychologic.interview, neurologic history and examination, and neuropsychologic evaluation) were used to confirm the diagnoses. Participants with a history of language disorder, learning disabilities, depression, and other major neurologic and psychiatric conditions were excluded. Finally all groups had 15 children, matched by sex (7 male, 8 female), age, socioeconomic status, and grade. Height, weight, head circumference, and encephalic index were statistically controlled. Three T1-weighted volumetric (three-dimensional) MRI slides of the caudate nucleus head were obtained with a 1.5-Tesla Gyroscan apparatus. The control group had a significantly higher Wechsler Full-Scale IQ than the groups with ADHD of the combined type and ADHD of the inattentive type (P < .001). Volumes from the left caudate nucleus head were significantly larger than volumes from the right in all groups (P < .001). There were no group differences when volumes were compared between groups. All of the groups had left caudate nucleus head volumes significantly higher than right, although there were no between-group differences. The results in relation to previous studies are discussed.
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PMID:Statistical analyses of structural magnetic resonance imaging of the head of the caudate nucleus in Colombian children with attention-deficit hyperactivity disorder. 1195 84

This article reviews the relationship between different learning disabilities, language disorders, and the psychiatric disorders that are commonly associated with learning disabilities and language disorder: attention-deficit hyperactivity disorder (ADHD), anxiety disorders, depression, and conduct or antisocial personality disorder. The complex associations between language disorders and specific learning disabilities--dyslexia, nonverbal learning disorder, dyscalculia--and the various psychiatric disorders are discussed. Clinical vignettes are presented to highlight the impact of these disorders on a child's social and psychological development and the importance of early recognition and treatment.
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PMID:Psychiatric implications of language disorders and learning disabilities: risks and management. 1555 96

The cause of behavioural changes described by Alzheimer for his original case, Auguste D., has been recently reconfirmed by histological examination. However, there has been active speculation regarding the cause of behavioural changes exhibited by the political satirist Jonathan Swift (1667-1745) during the final three years of his life for over 250 years. Swift's symptoms of cognitive changes, memory impairment, personality alterations, language disorder and facial paralysis have all been apportioned differing levels of significance in various attempts at retrospective diagnosis. The various medical arguments put forward from the 18th through 20th centuries will be critically examined. The diagnoses considered refer to evolving theories of insanity, phrenology, localization of cortical function, hydrocephalus, psychoanalysis, aphasia, dementia and depression in ageing. Re-consideration of the attempts to re-diagnose Swift's final mental state by the leading neurological thinkers of the day, including Wilde (The Closing Years of Dean Swift's Life. Dublin: Hodges and Smith, 1849), Bucknill (1882), Osler [Osler's textbook Principles and Practice of Medicine (1892); published in St Thomas's Hospital Gazette (London) 1902; 12: 59-60), Brain (Irish Med J 1952: 320-1 and 337-346) and Boller and Forbes (J Neurol Sci 1998; 158: 125-133) reveal the changing attitudes regarding the significance of behavioural symptoms to neurological diagnosis from the 18th century to the present day.
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PMID:Language and memory disorder in the case of Jonathan Swift: considerations on retrospective diagnosis. 1702 10


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