Roy Halliday

Drugs and human information processing: Persys. a drug sensitive video game

Enoch Callaway, Roy Halliday, Hilary Naylor, 1989, Biological Psychiatry.

Drugs and Human Information Processing

Enoch Callaway, Roy Halliday, Hilary Naylor, 1994, Neuropsychopharmacology.

Scopolamine and information processing: Can a drug make “easy” stimuli “hard”?

Enoch Callaway, Roy Halliday, Hilary Naylor, 1989, Biological Psychiatry.

A low dose of subcutaneous nicotine improves information processing in non-smokers

Enoch Callaway, Roy Halliday, Hilary Naylor, 1994, Psychopharmacology.

Clonidine and scopolamine: Differences and similarities in how they change human information processing

Daniel Brandeis, Enoch Callaway, Roy Halliday, 1991, Progress in Neuro-Psychopharmacology and Biological Psychiatry.

The effect of attentional effort on visual evoked potential N1 latency

Enoch Callaway, Roy Halliday, E. Callaway, 1982, Psychiatry Research.