In four experiments, rats were trained on different patterning discriminations before being tested with compounds composed of novel combinations of the trained stimuli. In Experiment 1, rats were trained on a negative-patterning schedule (A+ B+ AB-) intermixed with reinforced presentations of a second compound (CD+). On a subsequent test, the rats responded more to two novel compounds, AC and B...

Oral and genital ulcers, and cutaneous vasculitic lesions are considered hallmarks of the disease, and often precede other manifestations. Mucocutaneous lesions figure prominently in the presentation and diagnosis. Therefore, their recognition may permit earlier diagnosis and treatment, with beneficial results for prognosis. This review overviews the current state of knowledge regarding the the...

Hulusi Beh9et, formerly Professor of Dermatology "First transient aphthous changes in the mouth, at the University of Istanbul (Fig. 1), reported three secondly ulcerations on the genitalia, and thirdly attacks cases of the syndrome which now bears his name, in of iritis, although the latter symptom is not always present. 1937. He described a triple symptom complex Each of these three symptoms ...

We report on a patient who presented at our hospital with fever, headache, neck pain, partial nuchal rigidity and decreased vision of the left eye. The clinical history, biochemical and instrumental exams performed suggested meningitis but the final hypothesis achieved was an unusual case of Neuro-Behcet-Disease (NBD) without orogenital ulcerations at presentation and with normal MRI findings, ...

OBJECTIVE In the present study, subclinical lesion involvement was investigated using the P50 component in Behcet`s patients without neurological manifestation. METHODS We performed this clinical research in Erciyes University, Faculty of Medicine between December 2000 and November 2001. The studies were carried out on 18 Behcet`s patients without neurologic findings and 18 volunteers for con...

Physicians caring for patients with Behcet's should be aware of the potential complication of uveitis with hypopyon in these patients, and the condition warrants prompt management.