Submissions from 2014
Emotional Engagements Predict and Enhance Social Cognition in Young Chimpanzees, Kim A. Bard, Roger Bakeman, Sarah T. Boysen, and David A. Leavens
Apes Communicate about Absent and Displaced Objects: Methodology Matters, Heidi Lyn, Jamie L. Russell, David A. Leavens, Kim A. Bard, Sarah T. Boysen, Jennifer A. Schaeffer, and William D. Hopkins
Semi-Wild Chimpanzees Open Hard-Shelled Fruits Differently Across Communities, Bruce Rawlings, Marina Davilla-Ross, and Sarah T. Boysen
Submissions from 2011
Signs of Mood and Anxiety Disorders in Chimpanzees, Hope Ferdowsian, Debra Durham, Charles Kimwele, Godelieve Kranendonk, Emily Otali, Timothy Akugizibwe, J. B. Mulcahy, Lilly Ajarova, and Cassie Meré Johnson
Pantomime in Great Apes: Evidence and Implications, Ann E. Russon and Kristin Andrews
Comprehension of Functional Support by Enculturated Chimpanzees Pan troglodytes, Anna M. Yocom and Sarah T. Boysen
Submissions from 2010
Capuchins (Cebus apella) Can Solve a Means-End Problem, Anna M. Yocom and Sarah T. Boysen
Submissions from 2009
Constructive and Deconstructive Tool Modification by Chimpanzees (Pan troglodytes), Amanda E. Bania, Stephany Harris, Hannah R. Kinsley, and Sarah T. Boysen
Submissions from 2008
Visual Attention and its Relation to Knowledge States in Chimpanzees, Pan troglodytes, Megan J. Bulloch, Sarah T. Boysen, and Ellen E. Furlong
Submissions from 2005
Chimpanzee Theory of Mind: Looking in All the Wrong Places?, Kristin Andrews
Submissions from 2003
Nest Building in Captive Gorilla gorilla gorilla, Kristen E. Lukas, Tara S. Stoinski, Kyle Burks, Rebecca Snyder, Sarah Bexell, and Terry L. Maple
Submissions from 2002
Chimpanzees (Pan troglodytes) Recognize Spatial and Object Correspondences Between a Scale Model and its Referent, Valerie A. Kuhlmeier and Sarah T. Boysen
Submissions from 2001
Size Matters: Impact of Item Size and Quantity on Array Choice by Chimpanzees (Pan troglodytes), Sarah T. Boysen, Gary G. Berntson, and Kimberly L. Mukobi
The Effect of Response Contingencies on Scale Model Task Performance by Chimpanzees (Pan troglodytes), Valerie A. Kuhlmeier and Sarah T. Boysen
Submissions from 2000
Primate Numerical Competence: Contributions Toward Understanding Nonhuman Cognition, Sarah T. Boysen and Karen I. Hallberg
Primate Numerical Competence: Contributions Toward Understanding Nonhuman Cognition, Sarah T. Boysen and Karen I. Hallberg
Spontaneous Discrimination of Natural Stimuli by Chimpanzees (Pan troglodytes), David A. Brown and Sarah T. Boysen
Submissions from 1999
Tool Use in Captive Gorillas, Sarah T. Boysen, Valerie A. Kuhlmeier, Peter Halliday, and Yolanda Muldonado Halliday
Overcoming Response Bias Using Symbolic Representations of Number by Chimpanzees (Pan troglodytes), Sarah T. Boysen, Kimberly L. Mukobi, and Gary G. Berntson
Scale-Model Comprehension by Chimpanzees (Pan troglodytes), Valerie A. Kuhlmeier, Sarah T. Boysen, and Kimberly L. Mukobi
A Preliminary Investigation of the Construct of Psychopathic Personality (Psychopathy) in Chimpanzees (Pan troglodytes), Scott O. Lilienfeld, Jonathan Gershon, Marshall Duke, Lori Marino, and Frans B. M. de Waal
Submissions from 1998
Planum temporale asymmetries in great apes as revealed by magnetic resonance imaging (MRI), William D. Hopkins, Lori Marino, James K. Rilling, and Leslie A. MacGregor
fMRI of Monkey Visual Cortex, Lisa Stefanacci, Paul Reber, Jennifer Costanza, Eric Wong, Richard Buxton, Stuart Zola, Larry R. Squire, and Thomas D. Albright
Submissions from 1996
Quantity-Based Interference and Symbolic Representations in Chimpanzees (Pan troglodytes), S. T. Boysen, G. G. Berntson, M. B. Hannan, and J. T. Cacioppo
Submissions from 1995
Responses to Quantity: Perceptual Versus Cognitive Mechanisms in Chimpanzees (Pan Troglodytes), Sarah T. Boysen and Gary G. Berntson
Indicating Acts During Counting by a Chimpanzee (Pan troglodytes), Sarah T. Boysen, Gary G. Berntson, Traci A. Shreyer, and Michelle B. Hannan
Comprehension of Cause-Effect Relations in a Tool-Using Task by Chimpanzees (Pan troglodytes), Luca Limongelli, Sarah T. Boysen, and Elisabetta Visalberghi
Submissions from 1994
Individual Differences in the Cognitive Abilities of Chimpanzees, Sarah T. Boysen
Submissions from 1993
Vocal Perception: Brain Event-Related Potentials in a Chimpanzee, Gary G. Berntson, Sarah T. Boysen, and Michael W. Torello
Counting in Chimpanzees: Nonhuman Principles and Emergent Properties of Number, Sarah T. Boysen
Submissions from 1992
Counting as the Chimpanzee Views It, Sarah T. Boysen
Comprehension of Role Reversal in Chimpanzees: Evidence of Empathy?, Daniel J. Povinelli, Kurt E. Nelson, and Sarah T. Boysen
Submissions from 1990
Inferences About Guessing and Knowing by Chimpanzees (Pan troglodytes), Daniel J. Povinelli, Kurt E. Nelson, and Sarah T. Boysen
Submissions from 1989
Specificity of the Cardiac Response to Conspecific Vocalizations in Chimpanzees, Gary G. Berntson and Sarah T. Boysen
Conspecific Recognition in the Chimpanzee (Pan troglodytes): Cardiac Responses to Significant Others, Sarah T. Boysen and Gary G. Berntson
Numerical Competence in a Chimpanzee (Pan troglodytes), Sarah T. Boysen and Gary G. Berntson
Submissions from 1986
Cardiac Correlates of Individual Recognition in the Chimpanzee (Pan troglodytes), Sarah T. Boysen and Gary G. Berntson
Submissions from 1985
Visual Evoked Potentials in the Great Apes, Sarah T. Boysen and Gary G. Berntson
Submissions from 1981
Social and Cognitive Capabilities of Nonhuman Primates: Lessons from the Wild to Captivity, William C. McGrew
Submissions from 1980
Yawning in an Old World Monkey, Macaca nigra (Primates: Cercopithecidae), John Hadidian
