After more than four weeks of testimony, prosecution and defense attorneys today will make closing arguments in the trial of former nursing home administrator Martha F. Bell and the home she once ran.

Defense attorneys rested their cases yesterday after three days of testimony and presentations. Jurors will begin deliberating after hearing closing arguments and instructions from Common Pleas Judge David R. Cashman.

Mrs. Bell, 60, of West Mifflin, and the defunct Ronald Reagan Atrium I Nursing, Research and Rehabilitation Center are charged with neglect of a care-dependant person and other offenses in the death of Atrium resident Mabel Taylor. Mrs. Taylor, 88, who had Alzheimer's disease, died Oct. 26, 2001, after she was trapped overnight in a locked courtyard at the nursing home in Robinson.

Although Mrs. Bell testified in her own defense in 2005 in a previous trial on health care fraud in U.S. District Court, she opted not to testify in this case.

Defense attorneys yesterday finished showing a series of videotapes about providing appropriate care for Alzheimer's patients that were produced in 1997 by another corporation once headed by Mrs. Bell. The tapes included interviews with Mrs. Bell and featured Atrium residents, staff and facilities.

Penny Grooms, who ran Atrium's hair salon and helped to coordinate activities for residents, testified about field trips, dances, concerts and holiday celebrations held to stimulate and entertain residents. But she acknowledged that some activities depicted in photographs took place in the late 1990s, before Mrs. Taylor's death.

Prosecution rebuttal witness Barbara Jane Azzolina, a dietitian who worked at Atrium from June 1996 to October 1998, testified that the tapes did not reflect real conditions there.

She said Atrium lacked enough staff to meet the needs of patients who required help to eat.