This document lists physical signs that may indicate someone is lying or feeling uncomfortable, including avoiding eye contact, rapid eye movements, constricted pupils, increased blinking, looking left when speaking, hiding the mouth or hands, unusual gestures, increased breathing and perspiration rates, changes in complexion or voice such as pitch or stammering, longer response times, hesitation, pauses or arrested gestures.

1. Little or no eye contact
Rapid eye movements
Pupils constricted
Blinking
Looking to the left
Hand or fingers:
In front of mouth when
speaking
Hidden
Touching nose
Body is physically
turned away from you
There are unusual/
un­natural body
gestures
~LYING & Body Language~
Breathing rate
increases.
Complexion
changes:
red in face or
neck area.
Perspiration
increases.
Voice changes:
pitch
stammering
throat clearing
Response Time
Arrested gestures
Hesitation
Pauses