The above video interview with Sean Montgomery was recorded at the recent Last HOPE conference where Mr. Montgomery exhibited his line of 'Vital Threads' projects.

These wearable devices display realtime biological sensor data as visible (and boldly fashionable) adornment. Included in the collection - the Heart-on Shirt which pulses light in sync with Electrocardiogram readings, the Truth Wristband - displaying galvanic skin response as light/color (literally illuminating the "Truth"), and the Thinking Cap which conveys the wearer's brainwave spectrum via an RGB LED brain shaped dome-hat.

There is likely no more direct way to express the 'inner self' via clothing - Vital Threads