Armando Machado - Publications

Affiliations: 
Universidade do Minho, Braga, Braga, Portugal 
Area:
animal learning, time perception

73 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2021 Santos C, Vasconcelos M, Machado A. Constantly timing, but not always controlled by time: Evidence from the midsession reversal task. Journal of Experimental Psychology. Animal Learning and Cognition. PMID 34516197 DOI: 10.1037/xan0000263  0.669
2021 Cambraia R, Vasconcelos M, Jozefowiez J, Machado A. Base rates bias performance in a temporal bisection task. Journal of Experimental Psychology. Animal Learning and Cognition. 47: 163-182. PMID 34264722 DOI: 10.1037/xan0000284  0.313
2021 Cambraia R, Vasconcelos M, Jozefowiez J, Machado A. Base rates bias performance in a temporal bisection task. Journal of Experimental Psychology. Animal Learning and Cognition. 47: 163-182. PMID 34264722 DOI: 10.1037/xan0000284  0.647
2021 Machado A, Vasconcelos M. Dissolving the molar-molecular controversy. Journal of the Experimental Analysis of Behavior. PMID 33497470 DOI: 10.1002/jeab.675  0.499
2020 González VV, Macías A, Machado A, Vasconcelos M. Testing the Δ-∑ hypothesis in the suboptimal choice task: Same delta with different probabilities of reinforcement. Journal of the Experimental Analysis of Behavior. 114: 233-247. PMID 33460139 DOI: 10.1002/Jeab.621  0.793
2020 Soares C, Santos C, Machado A, Vasconcelos M. Step changes in the intertrial interval in the midsession reversal task: Predicting pigeons' performance with the learning-to-time model. Journal of the Experimental Analysis of Behavior. PMID 33051881 DOI: 10.1002/jeab.632  0.683
2020 Macías A, González VV, Machado A, Vasconcelos M. The functional equivalence of two variants of the suboptimal choice task: choice proportion and response latency as measures of value. Animal Cognition. PMID 32772333 DOI: 10.1007/S10071-020-01418-8  0.782
2020 Cambraia R, Bugallo M, Vasconcelos M, Machado A. Effects of Differential Probabilities of Reinforcement on Human Timing. Behavioural Processes. 104146. PMID 32470520 DOI: 10.1016/J.Beproc.2020.104146  0.681
2020 González VV, Macías A, Machado A, Vasconcelos M. The Δ-∑ hypothesis: How contrast and reinforcement rate combine to generate suboptimal choice. Journal of the Experimental Analysis of Behavior. PMID 32237091 DOI: 10.1002/Jeab.595  0.79
2019 Scienza L, de Carvalho MP, Machado A, Moreno AM, Biscassi N, de Souza DDG. Simple discrimination in stingless bees (melipona quadrifasciata): Probing for select- and reject-stimulus control. Journal of the Experimental Analysis of Behavior. PMID 31254277 DOI: 10.1002/Jeab.531  0.398
2019 Amd M, Machado A, de Oliveira MA, Passarelli DA, De Rose JC. Corrigendum: Effects of Nodal Distance on Conditioned Stimulus Valences Across Time. Frontiers in Psychology. 10: 1253. PMID 31191418 DOI: 10.3389/Fpsyg.2019.01253  0.331
2019 Santos C, Soares C, Vasconcelos M, Machado A. The effect of reinforcement probability on time discrimination in the midsession reversal task. Journal of the Experimental Analysis of Behavior. PMID 30802964 DOI: 10.1002/Jeab.513  0.692
2019 Cambraia R, Vasconcelos M, Jozefowiez J, Machado A. Biasing performance through differential payoff in a temporal bisection task. Journal of Experimental Psychology. Animal Learning and Cognition. 45: 75-94. PMID 30604996 DOI: 10.1037/Xan0000192  0.688
2019 Carvalho MPd, Santos CD, Soares C, Machado A. Meliorating the Suboptimal-Choice Argument Comparative Cognition & Behavior Reviews. 14: 25-32. DOI: 10.3819/Ccbr.2019.140003  0.325
2018 Jozefowiez J, Gaudichon C, Mekkass F, Machado A. Log versus linear timing in human temporal bisection: A signal detection theory study. Journal of Experimental Psychology. Animal Learning and Cognition. 44: 396-408. PMID 30407065 DOI: 10.1037/Xan0000184  0.402
2018 Bugallo M, Machado A, Vasconcelos M. A new variable interval schedule with constant hazard rate and finite time range. Journal of the Experimental Analysis of Behavior. PMID 29806103 DOI: 10.1002/Jeab.442  0.651
2018 Fortes I, Pinto C, Machado A, Vasconcelos M. The paradoxical effect of low reward probabilities in suboptimal choice. Journal of Experimental Psychology. Animal Learning and Cognition. 44: 180-193. PMID 29683696 DOI: 10.1037/Xan0000165  0.787
2018 Vasconcelos M, Machado A, Pandeirada JNS. Ultimate explanations and suboptimal choice. Behavioural Processes. PMID 29608941 DOI: 10.1016/J.Beproc.2018.03.023  0.63
2017 Pinto C, Fortes I, Machado A. Joint stimulus control in a temporal discrimination task. Animal Cognition. PMID 28914387 DOI: 10.1007/S10071-017-1130-6  0.777
2017 Fortes I, Machado A, Vasconcelos M. Do Pigeons (Columba livia) Use Information About the Absence of Food Appropriately? A Further Look Into Suboptimal Choice. Journal of Comparative Psychology (Washington, D.C. : 1983). PMID 28481567 DOI: 10.1037/Com0000079  0.684
2016 Fortes I, Vasconcelos M, Machado A. Testing the Boundaries of "Paradoxical" Predictions: Pigeons Do Disregard Bad News. Journal of Experimental Psychology. Animal Learning and Cognition. PMID 27598063 DOI: 10.1037/Xan0000114  0.702
2016 Pinto C, Machado A. Unraveling sources of stimulus control in a temporal discrimination task. Learning & Behavior. PMID 27351763 DOI: 10.3758/S13420-016-0233-2  0.772
2016 de Carvalho MP, Machado A, Vasconcelos M. Animal timing: a synthetic approach. Animal Cognition. PMID 27000781 DOI: 10.1007/S10071-016-0977-2  0.667
2016 Pinheiro de Carvalho M, Machado A, Tonneau F. Learning in the temporal bisection task: Relative or absolute? Journal of Experimental Psychology. Animal Learning and Cognition. 42: 67-81. PMID 26752233 DOI: 10.1037/Xan0000089  0.301
2015 Vieira de Castro AC, Vasconcelos M, Machado A. Temporal generalization gradients following an interdimensional discrimination protocol. Quarterly Journal of Experimental Psychology (2006). 1-18. PMID 26605786 DOI: 10.1080/17470218.2015.1091851  0.656
2015 Pinto C, Machado A. Coding in pigeons: Multiple-coding versus single-code/default strategies. Journal of the Experimental Analysis of Behavior. 103: 472-83. PMID 25894105 DOI: 10.1002/Jeab.153  0.738
2015 da Silva GP, Machado AA, Ferreira B, Vasconcelos PB, Verri ED, Gonçalves CR, Vasconcelos MA, Siéssere S, Semprini M, Regalo SC. Functional analysis of the stomatognathic system in individuals infected with human immunodeficiency virus. Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology. 25: 515-21. PMID 25783860 DOI: 10.1016/j.jelekin.2015.02.008  0.513
2015 Fortes I, Vasconcelos M, Machado A. The effect of response rate on reward value in a self-control task. Journal of the Experimental Analysis of Behavior. 103: 141-52. PMID 25533528 DOI: 10.1002/Jeab.123  0.674
2014 Cippola NS, Domeniconi C, Machado A. Responding by exclusion in temporal discrimination tasks. Journal of the Experimental Analysis of Behavior. 101: 215-29. PMID 24436090 DOI: 10.1002/Jeab.71  0.465
2014 Jozefowiez J, Polack CW, Machado A, Miller RR. Trial frequency effects in human temporal bisection: implications for theories of timing. Behavioural Processes. 101: 81-8. PMID 24029016 DOI: 10.1016/J.Beproc.2013.07.023  0.431
2013 Jozefowiez J, Machado A. On the content of learning in interval timing: representations or associations? Behavioural Processes. 95: 8-17. PMID 23470799 DOI: 10.1016/J.Beproc.2013.02.011  0.369
2013 Kroger-Costa A, Machado A, Santos JA. Effects of motion on time perception. Behavioural Processes. 95: 50-9. PMID 23454436 DOI: 10.1016/J.Beproc.2013.02.002  0.389
2013 Vieira de Castro AC, Machado A, Tomanari GY. The context effect as interaction of temporal generalization gradients: testing the fundamental assumptions of the Learning-to-Time model. Behavioural Processes. 95: 18-30. PMID 23410903 DOI: 10.1016/J.Beproc.2013.01.007  0.443
2013 Spínola I, Machado A, de Carvalho MP, Tonneau F. What do humans learn in a double, temporal bisection task: absolute or relative stimulus durations? Behavioural Processes. 95: 40-9. PMID 23353726 DOI: 10.1016/J.Beproc.2013.01.003  0.469
2012 Pinheiro de Carvalho M, Machado A. Relative versus absolute stimulus control in the temporal bisection task. Journal of the Experimental Analysis of Behavior. 98: 23-44. PMID 22851790 DOI: 10.1901/Jeab.2012.98-23  0.416
2012 de Castro AC, Machado A. The interaction of temporal generalization gradients predicts the context effect. Journal of the Experimental Analysis of Behavior. 97: 263-79. PMID 22693358 DOI: 10.1901/Jeab.2012.97-263  0.444
2011 Arantes J, Machado A. Errorless learning of a conditional temporal discrimination. Journal of the Experimental Analysis of Behavior. 95: 1-20. PMID 21541167 DOI: 10.1901/Jeab.2011.95-1  0.441
2011 Pinto C, Machado A. Short-term memory for temporal intervals: Contrasting explanations of the choose-short effect in pigeons Learning and Motivation. 42: 13-25. DOI: 10.1016/J.Lmot.2010.05.001  0.756
2010 Velasco SM, Huziwara EM, Machado A, Tomanari GY. Associative symmetry by pigeons after few-exemplar training. Journal of the Experimental Analysis of Behavior. 94: 283-95. PMID 21541172 DOI: 10.1901/Jeab.2010.94-283  0.358
2010 Carvalho PN, Basto MC, Silva MF, Machado A, Bordalo AA, Vasconcelos MT. Ability of salt marsh plants for TBT remediation in sediments. Environmental Science and Pollution Research International. 17: 1279-86. PMID 20217262 DOI: 10.1007/s11356-010-0307-1  0.549
2010 Vieira de Castro AC, Machado A. Prospective timing in pigeons: Isolating temporal perception in the time-left procedure. Behavioural Processes. 84: 490-9. PMID 20176092 DOI: 10.1016/J.Beproc.2010.02.011  0.435
2009 Machado A, Malheiro MT, Erlhagen W. Learning to Time: a perspective. Journal of the Experimental Analysis of Behavior. 92: 423-58. PMID 20514171 DOI: 10.1901/Jeab.2009.92-423  0.37
2009 Oliveira L, Machado A. Context effect in a temporal bisection task with the choice keys available during the sample. Behavioural Processes. 81: 286-92. PMID 19162143 DOI: 10.1016/J.Beproc.2008.12.021  0.667
2009 Maia S, Machado A. Representation of time intervals in a double bisection task: relative or absolute? Behavioural Processes. 81: 280-5. PMID 19022356 DOI: 10.1016/J.Beproc.2008.10.012  0.447
2009 Monteiro T, Machado A. Oscillations following periodic reinforcement. Behavioural Processes. 81: 170-88. PMID 18992793 DOI: 10.1016/J.Beproc.2008.10.003  0.694
2008 Arantes J, Machado A. Context effects in a temporal discrimination task" further tests of the Scalar Expectancy Theory and Learning-to-Time models. Journal of the Experimental Analysis of Behavior. 90: 33-51. PMID 18683611 DOI: 10.1901/jeab.2008-90-33  0.387
2008 Arantes J, Machado A. Context effects in a temporal discrimination task: Further tests of the scalar expectancy theory and learning-to-time models Journal of the Experimental Analysis of Behavior. 90: 33-51. DOI: 10.1901/Jeab.2008-90-33  0.486
2008 Oliveira L, Machado A. The effect of sample duration and cue on a double temporal discrimination Learning and Motivation. 39: 71-94. DOI: 10.1016/J.Lmot.2007.06.001  0.446
2007 Almeida A, Arantes J, Machado A. Numerosity discrimination in preschool children. Journal of the Experimental Analysis of Behavior. 88: 339-54. PMID 18047225 DOI: 10.1901/Jeab.2007.88-339  0.382
2007 Machado A, Rodrigues P. The differentiation of response numerosities in the pigeon. Journal of the Experimental Analysis of Behavior. 88: 153-78. PMID 17970413 DOI: 10.1901/Jeab.2007.41-06  0.393
2007 Guilhardi P, Macinnis ML, Church RM, Machado A. Shifts in the psychophysical function in rats. Behavioural Processes. 75: 167-75. PMID 17360131 DOI: 10.1016/J.Beproc.2007.02.002  0.405
2006 Machado A, Arantes J. Further tests of the Scalar Expectancy Theory (SET) and the Learning-to-Time (LeT) model in a temporal bisection task. Behavioural Processes. 72: 195-206. PMID 16616993 DOI: 10.1016/J.Beproc.2006.03.001  0.397
2006 Machado A, Vasconcelos M. Acquisition versus steady state in the time-left experiment. Behavioural Processes. 71: 172-87. PMID 16343806 DOI: 10.1016/J.Beproc.2005.11.004  0.685
2005 Machado A, Pata P. Testing the scalar expectancy theory (SET) and the learning-to-time model (LeT) in a double bisection task. Learning & Behavior. 33: 111-22. PMID 15971498 DOI: 10.3758/Bf03196055  0.378
2003 Machado A, Keen R. Temporal discrimination in a long operant chamber. Behavioural Processes. 62: 157-182. PMID 12729976 DOI: 10.1016/S0376-6357(03)00023-8  0.364
2003 Machado A, Silva FJ. You Can Lead An Ape To A Tool, But …: A Review Of Povinelli'S Folk Physics For Apes: The Chimpanzee'S Theory Of How The World Works Journal of the Experimental Analysis of Behavior. 79: 267-286. DOI: 10.1901/Jeab.2003.79-267  0.309
2002 Machado A, Keen R. Relative numerosity discrimination in the pigeon: further tests of the linear-exponential-ratio model. Behavioural Processes. 57: 131-148. PMID 11947994 DOI: 10.1016/S0376-6357(02)00010-4  0.487
2000 Machado A, Guilhardi P. Shifts in the psychometric function and their implications for models of timing. Journal of the Experimental Analysis of Behavior. 74: 25-54. PMID 10966095 DOI: 10.1901/Jeab.2000.74-25  0.425
1999 Keen R, Machado A. How pigeons discriminate the relative frequency of events. Journal of the Experimental Analysis of Behavior. 72: 151-75. PMID 10503296 DOI: 10.1901/Jeab.1999.72-151  0.412
1999 Machado A, Keen R. The learning of response patterns in choice situations Animal Learning and Behavior. 27: 251-271. DOI: 10.3758/Bf03199724  0.366
1999 Machado A, Keen R. Learning to time (let) or scalar expectancy theory (set)? a Critical Test of Two Models of Timing Psychological Science. 10: 285-290. DOI: 10.1111/1467-9280.00152  0.402
1998 Machado A, Cevik M. Acquisition and extinction under periodic reinforcement Behavioural Processes. 44: 237-262. DOI: 10.1016/S0376-6357(98)00052-7  0.38
1997 Machado A, Cevik M. The discrimination of relative frequency by pigeons Journal of the Experimental Analysis of Behavior. 67: 11-41. PMID 9037781 DOI: 10.1901/Jeab.1997.67-11  0.442
1997 Machado A. Increasing the variability of response sequences in pigeons by adjusting the frequency of switching between two keys Journal of the Experimental Analysis of Behavior. 68: 1-25. DOI: 10.1901/Jeab.1997.68-1  0.346
1997 Machado A. Learning the Temporal Dynamics of Behavior Psychological Review. 104: 241-265. DOI: 10.1037/0033-295X.104.2.241  0.392
1994 Staddon JE, Davis DG, Machado A, Palmer RG. Cumulative effects model: a response to Williams (1994) Psychological Review. 101: 708-10. PMID 7984713 DOI: 10.1037/0033-295X.101.4.708  0.627
1994 Machado A. Polymorphic response patterns under frequency-dependent selection Animal Learning & Behavior. 22: 53-71. DOI: 10.3758/Bf03199956  0.316
1993 Davis DG, Staddon JE, Machado A, Palmer RG. The process of recurrent choice. Psychological Review. 100: 320-41. PMID 8483986 DOI: 10.1037/0033-295X.100.2.320  0.619
1993 Machado A. Learning variable and stereotypical sequences of responses: Some data and a new model Behavioural Processes. 30: 103-129. DOI: 10.1016/0376-6357(93)90002-9  0.376
1992 Machado A. Behavioral variability and frequency-dependent selection Journal of the Experimental Analysis of Behavior. 58: 241-263. PMID 1402601 DOI: 10.1901/Jeab.1992.58-241  0.365
1989 Machado A. Operant conditioning of behavioral variability using a percentile reinforcement schedule Journal of the Experimental Analysis of Behavior. 52: 155-166. PMID 2794841 DOI: 10.1901/Jeab.1989.52-155  0.392
1987 Vasconcelos MT, Machado AA. Acid-base ionization equilibria of 1-(2-carbamylethyl) imidazole and its 2-methyl and 2-ethyl derivatives. Talanta. 34: 525-7. PMID 18964351  0.524
1986 Vasconcelos MT, Machado AA. Simultaneous determination of the acid and basic ionization constants of imidazole. Talanta. 33: 919-22. PMID 18964228  0.539
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