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A
.gov website belongs to an official
government organization in the United States.
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A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A) participants walk in complete darkness toward doorframe-FRAME (DARK); B) participants walk in complete darkness toward lit doorframe- FRAME; C) participants walk in complete darkness with limbs and doorframe illuminated- FRAME+BODY; D) participants walk in complete darkness away from the doorframe into open space- NO FRAME (DARK); E) participants walk in complete darkness with limbs illuminated away from the doorframe into open space- NO FRAME+BODY.
