From the 1970s onwards some psychiatrists and psychologists accused cults of harming some of their own members : accusations sometimes based on observations on therapy , sometimes related with research regarding brainwashing or mind - control .
From the 1970s onwards some psychiatrists and psychologists accused cults of harming some of their members . 
 These accusations were sometimes based on observations made during therapy , and sometimes were related to research regarding brainwashing or mind - control .