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There is little in the literature on auditory hallucinations in the deaf, although the phenomenon is obviously genuine. Bearing this in mind there is hardly anything on non-verbal hallucinations, let alone musical ones.
In this work, we present experimental evidence and analytical
studies of the XRD patterns and optical characterizations of ZnS films with
different optical thicknesses. Thin films of ZnS were deposited on glass
substrates by thermal evaporation. The crystallite size increased as the
optical thicknesses. The overall absorbance has been increased with
the film thickness and the direct band gap was obtained. It decreases with
the increasing in the thickness of the films.
Alzheimer's disease (AD) manifests clinically with an insidious onset and slow but progressive cognitive impairment. The clinical picture of AD can be classified into cognitive and behavioral changes. The initial deficit usually manifests as an amnesic syndrome which may progress very gradually for several years before impairment in other cognitive domains, such as language, semantic memory and visuospatial function, becomes apparent (Hodges and Patterson, 1995).
Let G be a finite group. A minimal subgroup of G is a subgroup of prime order. A subgroup of G is called S-quasinormal in G if it permutes with each Sylow subgroup of G. A group G is called an MS-group if each minimal subgroup of G is S-quasinormal in G. In this paper, we investigate the structure of minimal non-MS-groups (non-MS-groups all of whose proper subgroups are MS-groups).
A subgroup H of a finite G is said to be c-normal in G if there exists a normal subgroup N of G such that G = HN with H ∩ N ≤ HG = CoreG(H). We are interested in studying the influence of the c–normality of certain subgroups of prime power order on the structure of finite groups.
(1) To determine whether there are sleep variables specific for obsessive-compulsive disorder (OCD) that are identifiable on polysomnographic findings; (2) to determine the possible relationship of OCD to other psychopathological disorders, with special emphasis on major depressive disorder (MDD).
Eighteen patients suffering from OCD (five of whom had a comorbid depressive disorder) were assessed by means of a standardized sleep questionnaire, the Yale-Brown Obsessive Compulsive Scale (Y-BOCS) for the assessment of severity of obsessive-compulsive symptoms, and overnight polysomnography. Results were compared with those from a control group of 18 age- and sex-matched controls with no history of psychiatric disorders.
We found a significant decrease in sleep efficiency index (SEI), REM percent, REM latency, and slow wave sleep latency among OCD patients, compared with controls. The presence of comorbid major depression had no effect on the severity of OCD and had no significant effect on the sleep measures.
Sleep changes recorded polysomnographically in patients with OCD can be primary in origin and are independent of an associated major depressive disorder.
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