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, ...

kawasaki disease is believed to be the commonest vasculitis of medium vessels in asian children. however, the majority of children with kawasaki disease continue to remain undiagnosed perhaps because of the lack of awareness amongst pediatricians. the clinical features of kawasaki disease can be confused with other common conditions such as scarlet fever, stevens johnson syndrome, measles fever...

OBJECTIVE Behcet's is an idiopathic multi-organ syndrome, which may have onset during childhood. Vascular involvement is uncommon, with rarely reported coronary aneurysm formation. We present a case report of a teenager girl who developed recalcitrant life-threatening Behcet's vasculitis, involving both small and large venous and arterial systems including a giant coronary aneurysm. CASE REPO...