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Author: Frank Bauer (25)


Nov
2017

Recent publications and art performances demonstrate amazing results using projection mapping. To our knowledge, there exists no multi-projection system that can project onto non-rigid target geometries. This constrains the applicability and quality for live performances with multiple spectators.

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Sep
2016

Meta-analytical data show lithium augmentation (LA) as an effective treatment strategy in major depression. Weight-gain is a common side effect of LA. The proteohormone leptin is discussed to be involved in the pathophysiology of weight gain induced by psychopharmacological treatment.

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Feb
2016

Retroperitoneal fibrosis is a rare disease manifesting as chronic soft tissue fibrosis in the retroperitoneum, with potential anatomic and/or functional compromise of adjacent organs. It can be primary (idiopathic) or secondary to other conditions such as cancers, autoimmune disorders, or drugs. We report herein a 66-year-old patient with symptomatic retroperitoneal fibrosis leading to bilateral hydronephrosis and renal failure, in whom, after a complex diagnostic work-up and protracted clinical course, a B-cell non-Hodgkin lymphoma in the retroperitoneal space and several vertebral bodies was identified.

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Apr
2014

Kikuchi-Fujimoto disease (KFD), also known as histiocytic necrotizing lymphadenitis, is a rare, self-limited disease of unknown etiology. This condition is most commonly encountered in Asian and Caucasian females of childbearing age who usually present with cervical lymphadenopathy and fever. Though rarely, KFD has been described in younger African-American females as well.

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Apr
2014

We report herein a 77-year-old patient with CD5 negative mantle cell lymphoma (MCL). We further review the existing literature on clinicolaboratory features of this rare MCL subtype. Although most of the patients in the literature (including ours) had advanced stage at diagnosis, splenomegaly, and bone marrow involvement, they displayed prompt and durable responses to conventional treatment.

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Oct
2013

Mast cells not only synthesize and release serotonin, but also express and are activated through multiple serotonin receptors. Low blood serotonin level might define a specific subset of patients with systemic mastocytosis (SM) who are more likely to present with neurologic and gastrointestinal complaints. Mast cell leukemia (MCL) is a rare and aggressive type of systemic mastocytosis, and psychiatric manifestations in its course have not been well-characterized.

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Sep
2013

Plasmablastic lymphoma shares many morphologic features with plasmablastic plasma cell myeloma. The activation of MYC oncogene in these lymphomas may be an important pathogenetic element associated with Epstein-Barr virus infection. We describe herein an elderly man with a plasmablastic lymphoid neoplasm displaying unique morphologic, cytogenetic and clinical features.

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Jun
2008

Visual binding is the process by which the brain groups the elements belonging to one object, whilst segregating them from other scene elements. A computationally parsimonious mechanism of visual binding is the binding-by-synchrony (BBS) hypothesis. According to this hypothesis, detectors that respond to elements of a single object fire in synchrony, while detectors that respond to elements of different objects do not.

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Feb
2009

Gamma band modulations in neural activity have been proposed to mediate attentional processes. To support a causal link between gamma activity and attentional selection, we attempt to evoke gamma oscillations by a 50-Hz subliminal flicker. We find that a subliminal 50-Hz flicker at a target location, before target presentation, speeds up and enhances target detection and discrimination.

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Mar
2009

Within a 3 x 3 matrix of 90 degrees corner junctions, detection of a Kanizsa-type square is facilitated when the target display is preceded by a 40-Hz flickering premask of 3 x 3 crosses, with four crosses synchronously oscillating at the subsequent target location. To examine whether this 'synchrony-priming' effect is influenced by, or dependent on, visuo-spatial attention, a spatial-cueing manipulation was introduced. Observers were presented with a visual or acoustic cue which indicated the likely target quadrant.

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Feb
2009

The body schema, a constantly updated representation of the body and its parts, has been suggested to emerge from body part-specific representations which integrate tactile, visual, and proprioceptive information about the identity and posture of the body. Studies using different approaches have provided evidence for a distinct representation of the visual space approximately 30 cm around the upper body, and predominantly the hands, termed the peripersonal space. In humans, peripersonal space representations have often been investigated with a visual-tactile crossmodal congruency task.

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Sep
2005

Lung cancers may present separately as synchronous lesions and can pose a diagnostic and therapeutic dilemma. A 75-year-old man is reported who presented with two synchronous lung cancers, in his left upper and lower lobes, respectively. Extensive radiologic evaluation and mediastinoscopy failed to detect any evidence of metastatic disease.

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Dec
2003

We describe a patient with acquired immunodeficiency syndrome who developed candidiasis-associated hemophagocytic lymphohistiocytosis (HLH), and we review the previously reported cases of this unusual clinical syndrome in patients infected with human immunodeficiency virus (HIV). HLH appears to follow a fulminant course in HIV-infected patients, which warrants an aggressive diagnostic and therapeutic approach. HIV itself may play a role in the pathogenesis of HLH, which is usually associated with opportunistic infections or malignancies.

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