W D Boyd

Learn More
When intense adapting lights are turned off, the pupil of the turtle, Pseudemys scripta elegans, enlarges. The recovery functions for pupillary dilation have different time constants that are defined by red- and green-sensitive cones and rods as they are affected by prior light adaptation and time in the dark. Pupillary area related to dilation responds(More)
Classroom Reality Orientation was investigated with a sample of dements drawn from a psychogeriatric hospital and an old people's home. Treatment effects were examined on a range of cognitive and behavioural measures, and compared with the effects of a specific behaviourally directed orientation training in the ward. Class RO improved cognitive functioning(More)
  • 1