- B230, Portland Square, Drake Circus, Plymouth, Devon, PL4 8AA
- +44 1752 584816
- andy.wills@plymouth.ac.uk
Profiles
Professor Andy Wills
Professor in Psychology
School of Psychology (Faculty of Health & Human Sciences)
Role
Professor of Psychology
Qualifications
B.Sc. Psychology (Soton), Ph.D. Psychology (Cantab)
Research interests
Learning, memory, categorization. http://www.willslab.co.uk/
Key publications are highlighted
Journals
Articles
2018
'Initial training with difficult items does not facilitate category learning'
Quarterly Journal of Experimental Psychology
, DOI
PEARL
2017
'Free classification of large sets of everyday objects is more thematic than taxonomic'
Acta Psychologica
26-40
, DOI
PEARL
2017
'In Defence of Effect-Centric Research'
Journal of Applied Research in Memory and Cognition
6,
(1)
43-46
, DOI
PEARL
2017
'Progress in modeling through distributed collaboration: Concepts, tools, and category-learning examples'
Psychology of Learning and Motivation
PEARL
2017
'The Neural Correlates of Similarity- and Rule-based Generalization'
Journal of Cognitive Neuroscience
29,
(1)
150-166
, DOI
PEARL
2017
'Transfer of learned category-response associations is modulated by instruction'
Acta Psychologica
PEARL
2016
'A Comparison of the neural correlates that underlie rule-based and information-integration category learning'
Human Brain Mapping
37,
(10)
3557-3574
, DOI
PEARL
2016
'Amnesic Patients Show Superior Generalization in Category Learning'
Neuropsychology
, DOI
PEARL
2016
'Attention and associative learning in humans: An integrative review'
Psychological Bulletin
PEARL
2015
'Combination or Differentiation? Two theories of processing order in classification'
Cognitive Psychology
80,
1-33
, DOI
PEARL
2015
'Feature- versus rule-based generalization in rats, pigeons and humans'
Animal Cognition
18,
(6)
1267-1284
, DOI
PEARL
2015
'Feedback can be superior to observational training for both rule-based and information-integration category structures'
Quarterly Journal of Experimental Psychology
68,
1203-1222
PEARL
2015
'Negative mood reverses devaluation of goal-directed drug-seeking favouring an incentive learning account of drug dependence'
Psychopharmacology
, DOI
PEARL
2015
'State trace analysis: Dissociable processes in a connectionist network?'
Cognitive Science
39,
1047-1061
PEARL
2014
'Attention, predictive learning, and the inverse base-rate effect: evidence from event-related potentials'
Neuroimage
87,
61-71
, DOI
PEARL
2013
'Cueing an unresolved personal goal causes persistent ruminative self-focus: An experimental evaluation of control theories of rumination'
Journal of Behavior Therapy and Experimental Psychiatry
44,
(4)
449-455
, DOI
PEARL
2013
'Is overall similarity classification less effortful than single-dimension classification?'
Q J Exp Psychol (Hove)
66,
(2)
299-318
, DOI
2013
'Modeling human sequence learning under incidental conditions'
J Exp Psychol Anim Behav Process
39,
(2)
166-173
, DOI
2013
'Modeling human sequence learning under incidental conditions'
Journal of Experimental Psychology: Animal Behavior Processes
39,
(2)
166-173
, DOI
2013
'Reinstating the Frontal Lobes? Having More Time to Think Improves Implicit Perceptual Categorization: A Comment on Filoteo, Lauritzen, and Maddox (2010)'
PSYCHOLOGICAL SCIENCE
24,
(3)
386-389
, DOI
2012
'On the Adequacy of Bayesian Evaluations of Categorization Models: Reply to Vanpaemel and Lee (2012)'
PSYCHOLOGICAL BULLETIN
138,
(6)
1259-1261
, DOI
2011
'Effects of concurrent load on feature- and rule-based generalization in human contingency learning'
J Exp Psychol Anim Behav Process
37,
(3)
308-316
, DOI
2011
'Interpreting the effects of image manipulation on picture perception in pigeons (Columba livia) and humans (Homo sapiens)'
J Comp Psychol
125,
(1)
48-60
, DOI
2011
'Representation development, perceptual learning, and concept formation'
BEHAVIORAL AND BRAIN SCIENCES
34,
(3)
141-U41
, DOI
2011
'Simultaneous Backward Conditioned Inhibition and Mediated Conditioning'
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-ANIMAL BEHAVIOR PROCESSES
37,
(2)
241-245
, DOI
2011
'Unitization, similarity, and overt attention in categorization and exposure'
Mem Cognit
39,
(8)
1518-1533
, DOI
2010
'Grey squirrels (Sciurus carolinensis) show a feature-negative effect specific to social learning'
Anim Cogn
13,
(2)
219-227
, DOI
2010
'Syntactic transfer in artificial grammar learning'
PSYCHONOMIC BULLETIN & REVIEW
17,
(1)
122-128
, DOI
2009
'A comparative analysis of the categorization of multidimensional stimuli: I. Unidimensional classification does not necessarily imply analytic processing; evidence from pigeons (Columba livia), squirrels (Sciurus carolinensis), and humans (Homo sapiens)'
J Comp Psychol
123,
(4)
391-405
, DOI
2009
'A comparative analysis of the categorization of multidimensional stimuli: II. Strategic information search in humans (Homo sapiens) but not in pigeons (Columba livia)'
J Comp Psychol
123,
(4)
406-420
, DOI
2009
'Long-term persistence of sort strategy in free classification'
Acta Psychol (Amst)
130,
(2)
161-167
, DOI
2009
'Prediction Errors and Attention in the Presence and Absence of Feedback'
CURRENT DIRECTIONS IN PSYCHOLOGICAL SCIENCE
18,
(2)
95-100
, DOI
2009
'The neural basis of overall similarity and single-dimension sorting'
Neuroimage
46,
(1)
319-326
, DOI
2008
'Processes of overall similarity sorting in free classification'
Journal of Experimental Psychology: Human Perception and Performance
34,
(3)
676-692
, DOI
2007
'Does maintenance of colour categories rely on language? Evidence to the contrary from a case of semantic dementia'
Brain Lang
103,
(3)
251-263
, DOI
2007
'Predictive learning, prediction errors, and attention: evidence from event-related potentials and eye tracking'
J Cogn Neurosci
19,
(5)
843-854
, DOI
2006
'Formation of category representations'
Mem Cognit
34,
(1)
17-27
2006
'Why are artificial polymorphous concepts so hard for birds to learn?'
Q J Exp Psychol (Hove)
59,
(2)
251-267
, DOI
2005
'The outcome specificity of learned predictiveness effects: Parallels between human causal learning and animal conditioning'
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-ANIMAL BEHAVIOR PROCESSES
31,
(2)
226-236
, DOI
2004
'Brief communication: the role of category structure in determining the effects of stimulus preexposure on categorization accuracy'
Q J Exp Psychol B
57,
(1)
79-88
, DOI
2004
'Global-feature classification can be acquired more rapidly than local-feature classification in both humans and pigeons'
Anim Cogn
7,
(2)
109-113
, DOI
2004
'The influence of stimulus properties on category construction'
J Exp Psychol Learn Mem Cogn
30,
(2)
407-415
, DOI
2000
'Tests of the ratio rule in categorization'
QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY SECTION A-HUMAN EXPERIMENTAL PSYCHOLOGY
53,
(4)
983-1011
, DOI
1998
'Perceptual categorization: connectionist modelling and decision rules'
Q J Exp Psychol B
51,
(1)
33-58
, DOI
1997
'Generalization in human category learning: A connectionist account of differences in gradient after discriminative and non-discriminative training'
QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY SECTION A-HUMAN EXPERIMENTAL PSYCHOLOGY
50,
(3)
607-630
Reviews
2012
'On the adequacy of current empirical evaluations of formal models of categorization'
Psychol Bull
138,
(1)
102-125
, DOI
Chapters
Conference Papers
2014
'Does incidental training increase the prevalence of overall similarity classification?
A re-examination of Kemler Nelson (1984)'
Austin, TX
Cognitive Science Society
PEARL
2014
'Machine learning of visual object categorization: an application of the SUSTAIN model'
Austin, TX
Cognitive Science Society
290-295
PEARL
2014
'The effect of pre-exposure on family resemblance categorization for stimuli of
varying levels of perceptual difficulty'
Austin, TX
Cognitive Science Society
1018-1023
PEARL
2005
'ERPS support attentional theories of associative learning'
171-171
2004
'Acquisition of polymorphous concepts'
1657-1657
2004
'Emergence of features in visual stimuli'
1654-1654
2003
'Speeded categorization: The effects of perceptual processing and decision-making time'
1218-1223
2000
'Categorization and the Ratio Rule'
994-999
1997
'Generalization in category learning: One and two category problems'
1088-1088