Erin L Hankins

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Five experiments were conducted to determine whether primitive perceptual features, or textons, which Julesz (1984) identified in studies of texture segregation with adults, also affect object recognition early in development. Three-month-old infants discriminated Ts and Ls composed of overlapping line segments from +s but not from each other in a(More)
Physiological capacities may constrain behavioural options and hence have important ecological consequences. We tested the hypothesis that social dominance is related to capacities for locomotor performance in territorial male lizards (Sceloporus occidentalis Baird & Girard). We first measured the maximal sprint speed and stamina of individual lizards in(More)
Methylphenidate, a psychostimulant used for the treatment of attention deficit hyperactivity disorder and narcolepsy, is administered as a 50:50 racemic mixture, despite the fact that d-methylphenidate has been shown to have greater pharmacologic activity. This paper presents a validated LC-MS/MS approach to separation and quantification of methylphenidate(More)
  • E Hankins
  • 1979
In 1975, joint efforts of the Southern California College of Optometry, Los Angeles County Department of Health Services, and involved community organizations resulted in development of a unique pilot outreach project, funded primarily by HEW, bringing vision care to a highly underserved area while providing comprehensive, community-oriented clinical(More)
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