Levi, Dennis M <br/><br/>
Suppressive and facilitatory spatial interactions in peripheral vision: peripheral crowding is neither size invariant nor simple contrast masking.  [electronic resource] 

 -  Journal of vision  2002 
 - 167-77 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>1534-7362 
<br/><br/><label>Standard No.: </label>10.1167/2.2.3  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contrast Sensitivity--physiology<br/>Humans<br/>Perceptual Masking--physiology<br/>Space Perception--physiology<br/>Vision, Ocular--physiology