D. Piggins

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Mental Unknotting

H. Mcleay, D. Piggins, 1998 .

Plea for more exploration of cross-cultural cognitive space

D. Piggins, 1989, Behavioral and Brain Sciences.

The eye of the domesticated sheep with implications for vision

Clive J. C. Phillips, D. Piggins, C. Phillips, 1996 .

Lilliputian Eyes and Vision

D. Piggins, 1978, Perception.

Stereokinetic Interaction Effects Involving Static and Slowly Moving Identical Figures

J. O. Robinson, D. Piggins, J. A. Wilson, 1996, Perceptual and motor skills.

Atlantic Salmon: Planning for the Future

R. G. Randall, D. Piggins, D. Mills, 1989 .

Atlantic salmon : planning for the future : the proceedings of the Third International Atlantic Salmon Symposium, held in Biarritz, France, 21-23 October, 1986

D. Piggins, D. Mills, Atlantic Salmon Trust, 1988 .

Shape, Height and Angular Movement in Stereokinesis

D. Piggins, John A. Wilson, James O Robinson, 1985, Perception.

The effect of visual pattern complexity of feeders on food consumption of laying hens.

J. D. Summers, D. Piggins, J. Hurnik, 1974, British poultry science.

The influence of thyroid powder and thyroxine upon the growth of rainbow trout (Salmo gairdnerii).

D. Piggins, E. Barrington, N. Barron, 1961, General and comparative endocrinology.

The Release of Reared Salmon Smolts (Salmo salar) into the Burrishoole River System (Western Ireland) and their Contribution to the Rod and Line Fishery

D. Piggins, C. Mills, 1983 .

Comparative aspects of the biology of naturally produced and hatchery-reared Atlantic salmon smolts (Salmo salar L.)

D. Piggins, C. Mills, 1985 .

Awareness in domesticated animals—concepts and definitions

D. Piggins, C. Phillips, 1998 .

Farm animals and the environment

Clive J. C. Phillips, D. Piggins, D. Piggins, 1992 .

Cognitive Space

G. Newby, D. Piggins, M. Krueger, 2022 .

Vision of Two-Toed Sloths (Choloepus)

F. Mendel, D. R. Fish, D. Piggins, 1985 .

The mental manipulation of 2-D representations of knots as deformable structures

Heather McLeay, David Piggins, H. Mcleay, 1996 .

COLD BRANDING AS A SMOLT MARKING TECHNIQUE

D. Piggins, 1972 .

Atlantic salmon sea ranching in Ireland

D. Piggins, 1979 .

Influence of stock levels, fishing effort and environmental factors on anglers’ catches of Atlantic salmon, Salmo salar L., and sea trout, Salmo trutta L.

D. Piggins, G. Mahon, C. Mills, 1986 .

Stabilized images, steadily fixated figures, and prolonged after-images.

G. E. Mackinnon, D. Piggins, J. Forde, 1969, Canadian journal of psychology.

Effects of Alcohol on Velocity Perception: I. Stimulus Velocity and Change in Performance over Time

D. Piggins, J. Tong, Jane E. McNamee, 1980, Perceptual and motor skills.

A COMPARISON OF THE BEHAVIOUR OF GEOMETRICAL SHAPES WHEN VIEWED UNDER CONDITIONS OF STEADY FIXATION, AND WITH APPARATUS FOR PRODUCING A STABILISED RETINAL IMAGE.

D. Piggins, C. R. Evans, 1963, The British journal of physiological optics.

Physical and morphological aspects of the eye of the manatee trichechus inunguis natterer 1883: (Sirenia: Mammalia)

W. Muntz, D. Piggins, R. C. Best, 1983 .

Note upon Steady Visual Fixation and Repeated Auditory Stimulation in Meditation and the Laboratory

D. Piggins, Douglas Morgan, 1977, Perceptual and motor skills.

Cognitive Space

D. Piggins, 1975 .

Apparent Height of a Stereokinetic Cone is Decreased by Departure from Circularity

D. Piggins, John A. Wilson, James O Robinson, 1986, Perception.