INVENTED ELECTROENCEPHALOGRAM OR EEG - HOW THOUGHTS CAN TRAVEL BETWEEN PEOPLE

EEG = WHEN IT OCCURS - CANNOT TELL YOU WHERE IT OCCURS

FMRI - FUNCTIONAL RESONATE IMAGING = PIN POINT WHERE OR REGION IN BRAIN ACTIVITY OCCURS BUT VERY SLOW.

PET - SCAN = POSITRON EMISSION TOMOGRAPHY MEASURES RADIO ACTIVITY INTRODUCED INTO THE BRAIN

= A RADIO ACTIVE TRACER IS INTRODUCED INTO THE BLOOD STREAM = HOW DRUGS AFFECT THE BRAIN AND DETECTING DISEASES

CAN ALL BE USED COLLECTIVELY