The six care home staff arrested as part of an investigation into neglect and abuse at the Hillcroft nursing home in Slyne-with-Hest, near Lancaster, have been released on bail.
A Lancashire Police spokesman said: "Six people arrested under the Mental Health and Mental Capacity Acts have been released on police bail until November 14."
Six members of staff from a Lancashire care home have been arrested by police investigating allegations ranging from neglect to physical abuse.
The inquiry at the Hillcroft Nursing Home on Throstle Grove in Slyne-with-Hest near Lancaster began in May.
Police say they have been investigating complaints involving the care of patients with Alzheimer's disease.
The six people arrested include a matron - none are currently working at the home.
All were suspended before the police investigation began.