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William A Roberts

TitleSenior Instructor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-Ophthalmology

     Bibliographic 
     selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Roberts WA. Episodic Memory: Rats Master Multiple Memories. Curr Biol. 2016 Oct 24; 26(20):R920-R922.
      View in: PubMed
    2. Roberts WA. Rats respond where it counts. Learn Behav. 2016 Jun; 44(2):101-2.
      View in: PubMed
    3. Roberts WA, Guitar NA, Marsh HL, MacDonald H. Memory systems in the rat: effects of reward probability, context, and congruency between working and reference memory. Anim Cogn. 2016 May; 19(3):593-604.
      View in: PubMed
    4. Roberts WA, Macpherson K, Strang C. Context controls access to working and reference memory in the pigeon (Columba livia). J Exp Anal Behav. 2016 Jan; 105(1):184-93.
      View in: PubMed
    5. Roberts WA, Strang C, Macpherson K. Memory systems interaction in the pigeon: working and reference memory. J Exp Psychol Anim Learn Cogn. 2015 Apr; 41(2):152-62.
      View in: PubMed
    6. Guitar NA, Roberts WA. The interaction between working and reference spatial memories in rats on a radial maze. Behav Processes. 2015 Mar; 112:100-7.
      View in: PubMed
    7. McMillan N, Roberts WA. A three-stimulus midsession reversal task in pigeons with visual and spatial discriminative stimuli. Anim Cogn. 2015 Jan; 18(1):373-83.
      View in: PubMed
    8. McMillan N, Kirk CR, Roberts WA. Pigeon (Columba livia) and rat (Rattus norvegicus) performance in the midsession reversal procedure depends upon cue dimensionality. J Comp Psychol. 2014 Nov; 128(4):357-66.
      View in: PubMed
    9. Kirk CR, McMillan N, Roberts WA. Rats respond for information: Metacognition in a rodent? J Exp Psychol Anim Learn Cogn. 2014 Apr; 40(2):249-59.
      View in: PubMed
    10. McMillan N, Roberts WA. Pigeons rank-order responses to temporally sequential stimuli. Learn Behav. 2013 Sep; 41(3):309-18.
      View in: PubMed
    11. McMillan N, Roberts WA. Interval timing under variations in the relative validity of temporal cues. J Exp Psychol Anim Behav Process. 2013 Oct; 39(4):334-41.
      View in: PubMed
    12. McMillan N, Roberts WA. Pigeons make errors as a result of interval timing in a visual, but not a visual-spatial, midsession reversal task. J Exp Psychol Anim Behav Process. 2012 Oct; 38(4):440-5.
      View in: PubMed
    13. Roberts WA, Macpherson K. Theory of mind in dogs: is the perspective-taking task a good test? Learn Behav. 2011 Dec; 39(4):303-5.
      View in: PubMed
    14. Feeney MC, Roberts WA, Sherry DF. Mechanisms of what-where-when memory in black-capped chickadees (Poecile atricapillus): do chickadees remember "when"? J Comp Psychol. 2011 Aug; 125(3):308-16.
      View in: PubMed
    15. Feeney MC, Roberts WA, Sherry DF. Black-capped chickadees (Poecile atricapillus) anticipate future outcomes of foraging choices. J Exp Psychol Anim Behav Process. 2011 Jan; 37(1):30-40.
      View in: PubMed
    16. McMahon S, Macpherson K, Roberts WA. Dogs choose a human informant: metacognition in canines. Behav Processes. 2010 Oct; 85(3):293-8.
      View in: PubMed
    17. Roberts WA. Distance and magnitude effects in sequential number discrimination by pigeons. J Exp Psychol Anim Behav Process. 2010 Apr; 36(2):206-16.
      View in: PubMed
    18. McMillan N, Roberts WA. The effects of cue competition on timing in pigeons. Behav Processes. 2010 Jun; 84(2):581-90.
      View in: PubMed
    19. Macpherson K, Roberts WA. Spatial memory in dogs (Canis familiaris) on a radial maze. J Comp Psychol. 2010 Feb; 124(1):47-56.
      View in: PubMed
    20. Petter M, Musolino E, Roberts WA, Cole M. Can dogs (Canis familiaris) detect human deception? Behav Processes. 2009 Oct; 82(2):109-18.
      View in: PubMed
    21. Feeney MC, Roberts WA, Sherry DF. Memory for what, where, and when in the black-capped chickadee (Poecile atricapillus). Anim Cogn. 2009 Nov; 12(6):767-77.
      View in: PubMed
    22. Roberts WA, Feeney MC. The comparative study of mental time travel. Trends Cogn Sci. 2009 Jun; 13(6):271-7.
      View in: PubMed
    23. Roberts WA, Feeney MC, McMillan N, MacPherson K, Musolino E, Petter M. Do pigeons (Columba livia) study for a test? J Exp Psychol Anim Behav Process. 2009 Apr; 35(2):129-42.
      View in: PubMed
    24. Gingrich KJ, Burkat PM, Roberts WA. Pentobarbital produces activation and block of {alpha}1{beta}2{gamma}2S GABAA receptors in rapidly perfused whole cells and membrane patches: divergent results can be explained by pharmacokinetics. J Gen Physiol. 2009 Feb; 133(2):171-88.
      View in: PubMed
    25. Roberts WA, Feeney MC, Macpherson K, Petter M, McMillan N, Musolino E. Episodic-like memory in rats: is it based on when or how long ago? Science. 2008 Apr 04; 320(5872):113-5.
      View in: PubMed
    26. Feeney MC, Roberts WA. Rats show preference for delayed rewards on the radial maze. Learn Behav. 2008 Feb; 36(1):42-54.
      View in: PubMed
    27. Roberts WA. Mental time travel: animals anticipate the future. Curr Biol. 2007 Jun 05; 17(11):R418-20.
      View in: PubMed
    28. Roberts WA, Cruz C, Tremblay J. Rats take correct novel routes and shortcuts in an enclosed maze. J Exp Psychol Anim Behav Process. 2007 Apr; 33(2):79-91.
      View in: PubMed
    29. Naqshbandi M, Roberts WA. Anticipation of future events in squirrel monkeys (Saimiri sciureus) and rats (Rattus norvegicus): tests of the Bischof-Kohler hypothesis. J Comp Psychol. 2006 Nov; 120(4):345-57.
      View in: PubMed
    30. Naqshbandi M, Feeney MC, McKenzie TL, Roberts WA. Testing for episodic-like memory in rats in the absence of time of day cues: replication of Babb and Crystal. Behav Processes. 2007 Feb 22; 74(2):217-25.
      View in: PubMed
    31. Roberts WA. Animal memory: episodic-like memory in rats. Curr Biol. 2006 Aug 08; 16(15):R601-3.
      View in: PubMed
    32. Macpherson K, Roberts WA. Do dogs (Canis familiaris) seek help in an emergency? J Comp Psychol. 2006 May; 120(2):113-9.
      View in: PubMed
    33. Roberts WA. Evidence that pigeons represent both time and number on a logarithmic scale. Behav Processes. 2006 Jun 01; 72(3):207-14.
      View in: PubMed
    34. Roberts WA. How do pigeons represent numbers? Studies of number scale bisection. Behav Processes. 2005 Apr 29; 69(1):33-43.
      View in: PubMed
    35. McKenzie T, Cherman T, Bird LR, Naqshbandi M, Roberts WA. Can squirrel monkeys (Saimiri sciureus) plan for the future? Studies of temporal myopia in food choice. Learn Behav. 2004 Nov; 32(4):377-90.
      View in: PubMed
    36. Boisvert MJ, Abroms BD, Roberts WA. Human nonverbal counting estimated by response production and verbal report. Psychon Bull Rev. 2003 Sep; 10(3):683-90.
      View in: PubMed
    37. Bird LR, Roberts WA, Abroms B, Kit KA, Crupi C. Spatial memory for food hidden by rats (Rattus norvegicus) on the radial maze: studies of memory for where, what, and when. J Comp Psychol. 2003 Jun; 117(2):176-87.
      View in: PubMed
    38. Sutton JE, Roberts WA. Failure to find evidence of stimulus generalization within pictorial categories in pigeons. J Exp Anal Behav. 2002 Nov; 78(3):333-43.
      View in: PubMed
    39. Weatherly JN, Plumm KM, Smith JR, Roberts WA. On the determinants of induction in responding for sucrose when food pellet reinforcement is upcoming. Anim Learn Behav. 2002 Nov; 30(4):315-29.
      View in: PubMed
    40. Roberts WA, Roberts S. Two tests of the stuck-in-time hypothesis. J Gen Psychol. 2002 Oct; 129(4):415-29.
      View in: PubMed
    41. Roberts WA. Are animals stuck in time? Psychol Bull. 2002 May; 128(3):473-89.
      View in: PubMed
    42. Roberts WA, Roberts S, Kit KA. Pigeons presented with sequences of light flashes use behavior to count but not to time. J Exp Psychol Anim Behav Process. 2002 Apr; 28(2):137-50.
      View in: PubMed
    43. Olthof A, Roberts WA. Summation of symbols by pigeons (Columba livia): the importance of number and mass of reward items. J Comp Psychol. 2000 Jun; 114(2):158-66.
      View in: PubMed
    44. Roberts WA, Coughlin R, Roberts S. Pigeons flexibly time or count on cue. Psychol Sci. 2000 May; 11(3):218-22.
      View in: PubMed
    45. Sutton JE, Roberts WA. Do pigeons show incidental timing? Some experiments and a suggested hierarchical framework for the study of attention in animal cognition. Behav Processes. 1998 Dec; 44(2):263-75.
      View in: PubMed
    46. Olthof A, Iden CM, Roberts WA. Judgements of ordinality and summation of number symbols by squirrel monkeys (Saimiri sciureus). J Exp Psychol Anim Behav Process. 1997 Jul; 23(3):325-39.
      View in: PubMed
    47. Chhibber AK, Fickling K, Kolano JW, Roberts WA. Comparison of end-tidal and arterial carbon dioxide in infants using laryngeal mask airway and endotracheal tube. Anesth Analg. 1997 Jan; 84(1):51-3.
      View in: PubMed
    48. Roberts WA, Phelps MT, Macuda T, Brodbeck DR, Russ T. Intraocular transfer and simultaneous processing of stimuli presented in different visual fields of the pigeon. Behav Neurosci. 1996 Apr; 110(2):290-9.
      View in: PubMed
    49. Chhibber AK, Kolano JW, Roberts WA. Relationship between end-tidal and arterial carbon dioxide with laryngeal mask airways and endotracheal tubes in children. Anesth Analg. 1996 Feb; 82(2):247-50.
      View in: PubMed
    50. Gingrich KJ, Roberts WA, Kass RS. Dependence of the GABAA receptor gating kinetics on the alpha-subunit isoform: implications for structure-function relations and synaptic transmission. J Physiol. 1995 Dec 01; 489 ( Pt 2):529-43.
      View in: PubMed
    51. Roberts WA, Maniscalco WM, Cohen AR, Litman RS, Chhibber A. The use of capnography for recognition of esophageal intubation in the neonatal intensive care unit. Pediatr Pulmonol. 1995 May; 19(5):262-8.
      View in: PubMed
    52. Macuda T, Roberts WA. Further evidence for hierarchical chunking in rat spatial memory. J Exp Psychol Anim Behav Process. 1995 Jan; 21(1):20-32.
      View in: PubMed
    53. Roberts WA, Risher WH, Schwarz KQ. Transesophageal echocardiographic identification of persistent left superior vena cava: retrograde administration of cardioplegia during cardiac surgery. Anesthesiology. 1994 Sep; 81(3):760-2.
      View in: PubMed
    54. Phelps MT, Roberts WA. Memory for pictures of upright and inverted primate faces in humans (Homo sapiens), squirrel monkeys (Saimiri sciureus), and pigeons (Columba livia). J Comp Psychol. 1994 Jun; 108(2):114-25.
      View in: PubMed
    55. Roberts WA. Testing a stochastic foraging model in an operant simulation: Agreement with qualitative but not quantitative predictions. J Exp Anal Behav. 1993 Mar; 59(2):323-31.
      View in: PubMed
    56. Roberts WA, Eaton SA, Salt TE. Widely distributed GABA-mediated afferent inhibition processes within the ventrobasal thalamus of rat and their possible relevance to pathological pain states and somatotopic plasticity. Exp Brain Res. 1992; 89(2):363-72.
      View in: PubMed
    57. Phelps MT, Roberts WA. Central-place foraging by Rattus norvegicus on a radial maze. J Comp Psychol. 1989 Dec; 103(4):326-38.
      View in: PubMed
    58. Cheng K, Roberts WA. Timing multimodal events in pigeons. J Exp Anal Behav. 1989 Nov; 52(3):363-76.
      View in: PubMed
    59. Roberts WA, Cheng K, Cohen JS. Timing light and tone signals in pigeons. J Exp Psychol Anim Behav Process. 1989 Jan; 15(1):23-35.
      View in: PubMed
    60. Roberts WA, Mazmanian DS, Kraemer PJ. Memory for picture fragments in monkeys and humans. Can J Psychol. 1987 Mar; 41(1):1-19.
      View in: PubMed
    61. Kraemer PJ, Roberts WA. Short-term memory for simultaneously presented visual and auditory signals in the pigeon. J Exp Psychol Anim Behav Process. 1985 Apr; 11(2):137-51.
      View in: PubMed
    62. Roberts WA, Kraemer PJ. Picture memory in monkeys. Can J Psychol. 1984 Jun; 38(2):218-36.
      View in: PubMed
    63. Roberts WA, Kraemer PJ. Temporal variables in delayed matching to sample. Ann N Y Acad Sci. 1984; 423:335-45.
      View in: PubMed
    64. Roberts WA, Kraemer PJ. Some observations of the effects of intertrial interval and delay on delayed matching to sample in pigeons. J Exp Psychol Anim Behav Process. 1982 Oct; 8(4):342-53.
      View in: PubMed
    65. Roberts WA. Distribution of trials and intertrial retention in delayed matching to sample with pigeons. J Exp Psychol Anim Behav Process. 1980 Jul; 6(3):217-37.
      View in: PubMed
    66. Roberts WA. Spatial separation and visual differentiation of cues as factors influencing short-term memory in the rat. J Comp Physiol Psychol. 1972 Feb; 78(2):284-91.
      View in: PubMed
    67. GONZALEZ RC, ROBERTS WA, BITTERMAN ME. LEARNING IN ADULT RATS WITH EXTENSIVE CORTICAL LESIONS MADE IN INFANCY. Am J Psychol. 1964 Dec; 77:547-62.
      View in: PubMed
    68. ROBERTS WA, BULLOCK DH, BITTERMAN ME. Resistance to extinction in the pigeon after partially reinforced instrumental training under discrete-trials conditions. Am J Psychol. 1963 Sep; 76:353-65.
      View in: PubMed
    69. Bullock DH, Roberts WA, Bitterman ME. Techniques of housing and maintaining a large pigeon colony. J Exp Anal Behav. 1961 Jul; 4(3):285-6.
      View in: PubMed
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