{TAIL ~ Processing unit} 301 is {HEAD ~ a microprocessor} that digitizes physiological data and then processes it into physiological responses that include but are not limited to thought, engagement, immersion, physical engagement, valence, vigor and others 
{ TAIL ~ Processing unit } 301 is { HEAD ~ a microprocessor } that digitizes physiological data and then processes it into physiological responses that include but are not limited to thought , engagement , immersion , physical engagement , valence , vigor and others
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH