Paul S. Katz is a neurophysiologist known for his studies of neuromodulatory synapses in invertebrate neural circuits. Katz’s interest in neurobiology began as an undergraduate at Northwestern University, in Evanston, Illinois. He did his graduate work at Cornell University in Ithaca, New York, where he identified and studied serotonergic neurons in the stomatogastric ganglion of crabs. He was ...

Aging of population leads to limitations in functional abilities and in activities of daily living (ADL) which are the essential elements of independent care of oneself. Limitations in performing these activities result in increasing need for assistance and institutionalizing of the elderly. The aim of this study was to investigate the influence of fear of movement, or kinesiophobia, on ADL in ...

OBJECTIVE To analyze the evidences of construct validity of the Katz Index for the retrospective assessment of activities of daily living (ADL) by informants, to assist neuropathological studies in the elderly. METHOD A cross-sectional study analyzed the functional ability of ADL measure by the Katz Index, of 650 cases randomly selected from the Brazilian Brain Bank of the Ageing Brain Study ...

This study aimed to evaluate the occurrence of schistosomiasis in areas with low endemicity using polymerase chain reaction (PCR) as a diagnostic method. We analysed faecal samples from 219 individuals residing in Piau and Coronel Pacheco, state of Minas Gerais, Brazil, using a single faecal sample from each individual and two slides of the Kato-Katz technique as a gold standard. Fifteen out of...

The objective of this study was to identify the relationship between social support and the functional capacity of elderly persons with cognitive alterations. It is a descriptive, cross-sectional and quantitative study. The subjects were 101 elderly persons registered in Family Health Centers whose performance in the Mini-Exam for Mental Status was below a certain specified level in a previous ...

The high sensitivity and the possibility of automation of the enzyme-linked-immunosorbent-assay (ELISA) has indicated this technique as one of the most useful serological test for epidemiological studies. In the present study, an ELISA for detection of IgG antibodies against adult worm antigens (IgG-ELISA) was investigated for epidemiological purposes, in a rural area of the municipality of Ita...