Response-contingent sensory change in a causally structured environment Peter H. GlowAnthony H. Wtnefield OriginalPaper Pages: 1 - 18
Imprinting in older ducklings: Some tests of a reinforcement model Stephen J. GaioniHoward S. HoffmanValerie Newby Stratton OriginalPaper Pages: 19 - 26
The effects of tactile stimulation on imprinting in ducklings after the sensitive period Leonard A. Eiserer OriginalPaper Pages: 27 - 29
Apparent disinhibition of successive but not of simultaneous negative contrast Bruce R. LombardiCharles F. Flaherty OriginalPaper Pages: 30 - 42
The overshadowing of background stimuli by an informative CS in aversive Pavlovian conditioning with rats F. J. Odling-Smee OriginalPaper Pages: 43 - 51
Erratum to: Acquisition of barpressing in rats following experience with response-independent food K. L. WheatleyR. L. WelkerR. C. Miles Erratum Pages: 51 - 51
Association of conditioned stimuli during serial conditioning by pigeons Edward A. WassermanDonald L. CarrJames D. Deich OriginalPaper Pages: 52 - 56
Effects of an aversive CS+ and CS− under deprivation upon successive classical appetitive and aversive conditioning Bruce K. BromageMichael J. Scavio OriginalPaper Pages: 57 - 65
Microanalysis of variable-interval performance during stimulus compounding M. Catherine BushnellStanley J. Weiss OriginalPaper Pages: 66 - 71
Fading procedure effects on a visual pattern discrimination reversal in the albino rat S. AronsohnO. CastilloT. Pinto-Hamuy OriginalPaper Pages: 72 - 76
The sensory basis of spatial memory in the rat Lucia ZoladekWilliam A. Roberts OriginalPaper Pages: 77 - 81
A behavior field approach to instrumental learning in the rat: II. Training parameters and a stage model of extinction Paul T. P. Wong OriginalPaper Pages: 82 - 93
Social facilitation of pecking following differential rearing Cathryn P. Brown OriginalPaper Pages: 94 - 97
Population density and nonaggressive competition Michael LobbGarvin McCain OriginalPaper Pages: 98 - 105
Reflex inhibition and reflex elicitation by acoustic stimuli differing in abruptness of onset and peak intensity James R. Ison OriginalPaper Pages: 106 - 110
Modification of acoustic and nociceptive reflexes in the rat by visual stimulation B. L. AshT. ParisiJ. R. Ison OriginalPaper Pages: 111 - 114
Mitchell, Scott, and Mitchell are not supported by their own data John Garcia Letter Pages: 116 - 116
The psychological vs. the ethological rat: Two views of the poison avoidance behavior of the rat compared Denis Mitchell Letter Pages: 121 - 124
