Ahissar M, Hochstein S (1997) Task difficulty and the specificity of perceptual learning. Nature 387:401–406.
"reverse hierarchy” theory of PL: the idea that “learning is a top-down process, which begins at high-level areas of the visual system, and when these do not suffice, progresses backwards to the input levels…
PubMed
pdf
cf.
Perceptual learning depends on perceptual constancy
Patrick Garrigan and Philip J. Kellman
February 4, 2008, doi: 10.1073/pnas.0711878105
PNAS February 12, 2008 vol. 105 no. 6 2248-2253
http://www.pnas.org/content/105/6/2248.full
"reverse hierarchy” theory of PL: the idea that “learning is a top-down process, which begins at high-level areas of the visual system, and when these do not suffice, progresses backwards to the input levels…
PubMed
cf.
Perceptual learning depends on perceptual constancy
Patrick Garrigan and Philip J. Kellman
February 4, 2008, doi: 10.1073/pnas.0711878105
PNAS February 12, 2008 vol. 105 no. 6 2248-2253
http://www.pnas.org/content/105/6/2248.full