DRL escape: effects of minimum duration and intensity of electric shock

Autor Cohen, Perrin S.
Vydáno 1970

Punishment: the interactive effects of delay and intensity of shock

Autor Cohen, Perrin S.
Vydáno 1968

Pictorial target control of schedule-induced attack in White Carneaux pigeons

Autor Looney, Thomas A., Cohen, Perrin S.
Vydáno 1974

Schedule-induced mirror responding in the pigeon

Autor Cohen, Perrin S., Looney, Thomas A.
Vydáno 1973

The role of intermittent food in the induction of attack in pigeons

Autor Yoburn, Byron C., Cohen, Perrin S., Campagnoni, Frank R.
Vydáno 1981

An inexpensive random-access projector for rapid presentation of pictorial images

Autor Cohen, Perrin S., Yoburn, Byron C., Looney, Thomas A.
Vydáno 1976

Conditional discrimination performance by pigeons on a response-independent procedure

Autor Looney, Thomas A., Cohen, Leila R., Brady, John H., Cohen, Perrin S.
Vydáno 1977