1. 
   exteroception
   [n] - sensitivity to stimuli originating outside of the body
   Found op http://www.webdictionary.co.uk/definition.php?query=exteroception
   
   
2. 
   exteroception
   noun sensitivity to stimuli originating outside of the body
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=exteroception
   
   
3. 
   exteroception
   (ek″stәr-o-sep´shәn) the perception of stimuli originating outside or at a distance from the body.
   Found op http://www.encyclo.co.uk/local/21001
   
   
4. 
   exteroception
   1) Sensibility 2) Sensitiveness 3) Sensitivity 4) Sensitivity to stimuli originating outside of the body
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/exteroception/1
   
   

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