The method of gathering information about the brain that indicates the overall activity of the brain is called as

دماغ کے بارے میں معلومات جمع کرنے کا طریقہ جو دماغ کی مجموعی سرگرمی کی نشاندہی کرتا ہے اسے کہا جاتا ہے۔

Positron emission tomography

Electrical stimulation

Electroencephalogram

None of the above

Positron emission tomography or PET is a technique for imaging the brain in action.

The PET images show the active brain regions.

Positron emission tomography technique is a scanning method

that enables doctors and psychologists to study the brain without surgery.