 [ Symptoms ] my mother has parkinson is disease she has been having episodes of unresponsiveness are these related to parkinson is  these episodes vary in their duration she just stares and does not respond to stimuli verbal or physical it has been suggested these are freezing episodes but i am not familiar with brain freezing associated with parkinson is thank you for your assistance [ Disease ] here is some information on the freezing effect that you may be seeing please get in touch with your mom is doctor and discuss this behavior with him to determine exactly what is going on and needs to be done the webmd answers staff