connected or joined to something
During treatment, sensors are attached to the skin.

(of light) shining on and off repeatedly
Sensors communicate signals through flashing lights.

a screen that shows information or pictures,usually connected to a computer
The monitor communicates signals through flashinglights or sounds.

a part of the body that connects to bones andallows us to move
The sensors signal information about the patient’sheartbeat, temperature, and muscle movements to amonitor.

a choice or possibility
You have no option but to obey him.

to successfully deal with or gain control of(something difficult)
What makes people fearful and how can their fears be overcome?

feeling very afraid
The terrified little girl screamed.

the treatment of a physical or mental illness
Exposure therapy is one way to retrain the brain.