. >> watching jim wiseman hand everis like tracking a passing storm.rs at stanford turn on a surgically implanted device that keeps his parkinson's symptoms in check. >> the dbs literally just gets rid of it. >> it's known as a deep brain stimulator or dbs. it floods the brain with electronic signals, essentially calming the neuropathways in many cases. but they believe stimulation could be far more effective if it were more precisely targeted. >> this is how we've been doing brain pacing for the last 30 years. the brain pacing for deep brain stimulator is on all the time. >> now she and her team are working to make dbs behave more like modern compute rised pacemakers which only activists when a patient's heartbeat gets out of rhythm. to accomplish that in the brain, jim wears a sensor that will tell when his tremors are starting. >> and it will be based on the patient's symptoms. the sensor sends a signal to the miniaturized computer that tells the stimulator when and where to activate. >> by tweaking the settings, they are hoping to find the precise

. >> watching jim wiseman's hand tremors is like tracking a passing storm.nt researchers at stanford turn on a surgically implanted device that keeps his parkinson's symptoms in check. >> the dbs literally just gets rid of it. >> the device is known as a deep brain stimulator or dbs. it floods the brain with electronic signals, essentially calming the patient's neuropathways in many cases. but they believe stimulation could be far more effective if it were more precisely targeted. >> this is how we've been doing brain pacing for the last 30 years. the brain pacing for deep brain stimulator is on all the time. >> now she and her team are working to make dbs behave more like modern computerized pacemakers which only activate when a patient's heartbeat gets out of rhythm. to accomplish that in the brain, jim wears a sensor that will detect when his tremors are starting. >> we are actually programming a computer that will adjust the neurostimulation based on the patient's symptoms. the sensor sends a signal to the miniaturized computer that tells the stimulator

. >> watching jim wiseman's hand tremors is like tracking a passing storm. researchers at stanford turn on a surgically implanted device that keeps his parkinson's symptoms in check. >> the dbs literally just gets rid of it. >> the device is known as a deep brain stimulator or dbs. it floods the brain with electronic signals, essentially calming the neuropathways in many cases. but they believe stimulation could be far more effective if it were more precisely targeted. >> this is how we've been doing brain pacing for the last 30 years. the brain pacing for deep brain stimulator is on all the time. >> now she and her team are working to make dbs behave more like modern computerized pacemakers which only activate when a patient's heartbeat gets out of rhythm. to accomplish that in the brain, jim wears a sensor that will tell when his tremors are starting. >> we are actually programming a computer that will adjust the neurostimulation based on the patient's symptoms. the sensor sends a signal to the miniaturized computer that tells the stimulator when and where

. >> reporter: watching jim wiseman's hand tremors is like tracking a passing storm. it stops after turning on a device that keeps his parkinson's in check. >> it just gets rid of it. >> it's known as deep brain stimulator,ed intoi stimulator, but the neurologist believes it could be more effective if it were more precisely tarring quitted. >> this is how we've been doing brain chasing. brain stimulating is on, all the time. >> now, they're working to make dps behave like modern, computerized pace makers which only activate when a heartbeat gets out of rhythm. to accomplish that in the brain, jim wears a sensor, detecting when tremors are starting. >> we're programming a computer that will adjust the stimulations based on the patient's symptoms. >> reporter: it sends a signal to the computer that tells when and where to activate and what power level. by tweaking settings, the team is hoping to find the electronic frequencies needed to control the tremors without blanketing the brain with electricity. >> that means is that the simulator might be as lower voltage and ma

. >> reporter: watching jim wiseman's hand tremors is like tracking a passing storm.after turning on a device that keeps his parkinson's in check. >> it just gets rid of it. >> it's known as deep brain stimulator,ed intoi stimulator, but the neurologist believes it could be more effective if it were more precisely tarring quitted. >> this is how we've been doing brain chasing. brain stimulating is on, all the time. >> now, they're working to make dps behave like modern, computerized pace makers which only activate when a heartbeat gets out of rhythm. to accomplish that in the brain, jim wears a sensor, detecting when tremors are starting. >> we're programming a computer that will adjust the stimulations based on the patient's symptoms. >> reporter: it sends a signal to the computer that tells when and where to activate and what power level. by tweaking settings, the team is hoping to find the electronic frequencies needed to control the tremors without blanketing the brain with electricity. >> that means is that the simulator might be as lower voltage and may not see