Masaki Tomonaga (162)
Learning the rules of the rock-paper-scissors game: chimpanzees versus children
Primates, 59(1): 7-17
The body inversion effect in chimpanzees (Pan troglodytes)
PLoS ONE, 13(10): e0204131
Human ostensive signals do not enhance gaze following in chimpanzees, but do enhance object-oriented attention
Animal Cognition, Volume 21, Issue 5, pp 715-728
Visual discrimination of primate species based on faces in chimpanzees
Primates, 59(3): 243-251
Exploring attentional bias towards threatening faces in chimpanzees using the dot probe task
PLOS ONE, 13(11): e0207378
The higher the farther: distance-specific referential gestures in chimpanzees (Pan troglodytes)
Biology Letters, 13(11), 20170398
Perception of the average size of multiple objects in chimpanzees (Pan troglodytes)
Proceedings of the Royal Society B: Biological Sciences, 284(1861)
The first smile: spontaneous smiles in newborn Japanese macaques (Macaca fuscata)
Primates, Volume 58, Issue 1, pp 93-101
Causal capture effects in chimpanzees (Pan troglodytes)
Cognition, 158: 153–164
Developmental trajectory of the corpus callosum from infancy to the juvenile stage: Comparative MRI between chimpanzees and humans
PLoS ONE, 12(6): e0179624
Direct estimation of de novo mutation rates in a chimpanzee parent-offspring trio by ultra-deep whole genome sequencing
Scientific Reports, 7. 13561
Chimpanzees can visually perceive differences in the freshness of foods
Scientific Reports, 6: 34685
Getting to the Bottom of Face Processing. Species-Specific Inversion Effects for Faces and Behinds in Humans and Chimpanzees (Pan Troglodytes)
PLoS One, 11: e0165357
Impaired Air Conditioning within the Nasal Cavity in Flat-Faced Homo
PLoS Computational Biology, 12(3): e1004807
Complete genome sequence of Streptococcus troglodytae TKU31 isolated from the oral cavity of a chimpanzee (Pan troglodytes)
Microbiology and Immunology, 60(12): 811-816
A new method of walking rehabilitation using cognitive tasks in an adult chimpanzee (Pan troglodytes) with a disability: a case study.
Primates, Volume 57, Issue 3, pp 403-412
Eye preferences in capuchin monkeys (Sapajus apella)
Primates, 57(3): 433-440
Unidirectional adaptation in tempo in pairs of chimpanzees during simultaneous tapping movement: an examination under face-to-face setup
Primates, 57(2), 181-185
Distractor Effect of Auditory Rhythms on Self-Paced Tapping in Chimpanzees and Humans
PLOS ONE, 10(7): e0130682
Orangutans (Pongo spp.) do not spontaneously share benefits with familiar conspecifics in a choice paradigm
Primates, 56(2): 193-200
Streptococcus panodentis sp. nov., from the oral cavities of chimpanzees
Microbiology and Immunology, 59: 526–532
A horse's eye view: size and shape discrimination compared with other mammals
Biology Letters, 11: 20150701
Efficient search for a face by chimpanzees (Pan troglodytes)
Scientific Reports, 5, 11437
Fat Face Illusion, or Jastrow Illusion with Faces, in Humans but not in Chimpanzees
i-Perception, 6(6) 1-5
CHANGE they can't find: Change blindness in chimpanzees during a visual search task.
i-Perception, 6: 104-107
Which person is my trainer? Spontaneous visual discrimination of human individuals by bottlenose dolphins (Tursiops truncatus)
Interactional synchrony in chimpanzees: Examination through a finger-tapping experiment
Scientific Reports, 5, 10218
Preference for human eyes in human infants
Journal of Experimental Child Psychology, Volume 123, Pages 138-146
A case of maxillary sarcoma in a chimpanzee (Pan troglodytes)
Journal of Medical Primatology, Volume 43, Issue 2, pages 111-114
Differential reliance of chimpanzees and humans on automatic and deliberate control of motor actions
Cognition, Volume 131, Issue 3, Pages 355-366
Alloparenting for chimpanzee twins.
Scientific Reports, 4: 6306
Chimpanzees and Humans Mimic Pupil-Size of Conspecifics.
PLoS ONE, 9(8): e104886
How dolphins see the world: A comparison with chimpanzees and humans
Scientific Reports, 4, 3717
What did you choose just now? Chimpanzees’ short-term retention of memories of their own behavior
PeerJ, 2: e637
Laterality Effect for Faces in Chimpanzees (Pan troglodytes)
The Journal of Neuroscience, 33(33): 13344-13349
The face inversion effect in non-human primates revisited - an investigation in chimpanzees (Pan troglodytes)
Scientific Reports, 3, Article number: 2504
Developmental processes in face perception
Scientific reports, 3: 1044
Neural representation of face familiarity in an awake chimpanzee
Spontaneous synchronized tapping to an auditory rhythm in a chimpanzee
Scientific Reports, 3, 1556
Brain response to affective pictures in the chimpanzee
Scientific Reports, 3, 1342
Differences between chimpanzees and humans in visual temporal integration
Scientific Reports, 3: 3256
Perception of the motion trajectory of objects from moving cast shadows in infant Japanese macaques (Macaca fuscata)
Developmental Science, Volume 16, Issue 2, pages 227–233
A ground-like surface facilitates visual search in chimpanzees (Pan troglodytes).
Scientific Reports, 3, 2343
A case of naturally occurring visual field loss in a chimpanzee with an arachnoid cyst
Neuropsychologia, Volume 51, Issue 13, Pages 2856-2862
Head-Mounted Eye Tracking of a Chimpanzee under Naturalistic Conditions
PLoS ONE, 8(3): e59785
Intracranial arachnoid cysts in a chimpanzee (Pan troglodytes)
Primates, Volume 55, Issue 1, pp 7-12
Distribution of Streptococcus troglodytae and Streptococcus dentirousetti in chimpanzee oral cavities
Microbiology and Immunology, 57: 359-365
Distribution of Streptococcus troglodytae and Streptococcus dentirousetti in chimpanzee oral cavities
Microbiology and Immunology, Volume 57, Issue 5, pages 359–365
Developmental patterns of chimpanzee cerebral tissues provide important clues for understanding the remarkable enlargement of the human brain
Proceedings of the Royal Society B, 280(1753): 20122398
Eye-blink behaviors in 71 species of primates
PLoS ONE, 8(5): e66018
Perception of Emergent Configurations in Humans (Homo sapiens) and Chimpanzees (Pan troglodytes).
Journal of Experimental Psychology: Animal Behavior Processes, Vol 38(2), 125-138.
Relative contributions of goal representation and kinematic information to self-monitoring by chimpanzees and humans
Cognition, Volume 125, Issue 2, Pages 168–178
Emotion as an intervening variable in understanding the cognitive and social complexity and well-being of chimpanzees.
Psychologia, Vol. 55, No.1, 9-20
Face and Eye Scanning in Gorillas (Gorilla gorilla), Orangutans (Pongo pygmaeus), and Humans (Homo sapiens): Unique Eye-Viewing Patterns in Humans Among Hominids.
Journal of Comparative Psychology, 126(4): 388-398
Epidemiological study of zoonoses derived from humans in captive Chimpanzees
Primates, Volume 54, Issue 1, pp 89-98
Streptococcus troglodytae sp. nov., from the Chimpanzee Oral Cavity
International Journal of Systematic and Evolutionary Microbiology, 63: 418-422
Chimpanzees (Pan troglodytes) show more understanding of human attentional states when they request food in the experimenters hand than on the table.
Interaction Studies, 12, 418-429
Event-related potentials in response to subjects' own names: A comparison between humans and a chimpanzee.
Communicative & Integrative Biology, 4(3), 321-323.
The perception of self-agency in chimpanzees (Pan troglodytes).
Proceedings of the Royal Society Series B, , 278, 3694-3702.
The visual strategy specific to humans among hominids: A study using the gap-overlap paradigm
Vision Research, 51.2348-2355
Species difference in the timing of gaze movement between chimpanzees and humans.
Animal Cognition, 14, 879-892.
Perceptual mechanism underlying gaze guidance in chimpanzees and humans.
Animal Cognition, 14, 377-386.
Origins of a theory of mind.
Infant Behavior & Development, 34, 264-269
Stream/bounce perception and the effect of depth cues in chimpanzees (Pan troglodytes).
Attention, Perception, & Psychophysics., Volume 73, Number 5, 1532-1545
Long-term visual recognition of familiar persons, peers, and places by young monkeys (Macaca fuscata).
Developmental Psychobiology, Volume 53, Issue 7, pages 732-737
Differential prefrontal white matter development in chimpanzees and humans.
Current Biology, 21, 1397-1402
Diversification of bitter taste receptor gene family in western chimpanzees
Molecular Biology and Evolution, 28 (2) 921-931
Infant monkeys' concept of animacy: the role of eyes and fluffiness
Primates, Volume 53, Number 2, 113-119
Neural correlates of face and object perception in an awake chimpanzee (Pan troglodytes) examined by scalp-surface event-related potentials.
PLoS ONE, 5(10), e13366.
Differential sensitivity to conspecific and allospecific social cues in chimpanzees (Pan troglodytes) and humans (Homo sapiens)
Biology Letters., 6, 610-613
Attention to emotional scenes including whole-body expressions in chimpanzees (Pan troglodytes).
Journal of Comparative Psychology, 124(3), 287-294.
Face scanning in chimpanzees and humans: Continuity and discontinuity.
Animal Behaviour, 79, 227-235
Tetraparesis resembling acute transverse myelitis in a captive chimpanzee (Pan troglodytes): long-term care and recovery
Journal of Medical Primatology, 39, 336-346.
Prolonged maturation of prefrontal white matter in chimpanzees
Nature Precedings, 4411.1.
Asymmetric perception of radial expansion/contraction in Japanese macaque (Macaca fuscata) infants
Experimental Brain Research, 202, 319-325
Pacman in the sky with shadows: The effect of cast shadows on the perceptual completion of occluded figures by chimpanzees and humans.
Behavioral and Brain Functions, 6, 38
Visual search for human gaze direction by a chimpanzee (Pan troglodytes).
PLoS ONE, 5(2): e9131
Bottlenose dolphins' (Tursiopstruncatus) theory of mind as demonstrated by responses to their trainers' attentional states
International Journal of Comparative Psychology, 23, 386-400
Brain activity in an awake chimpanzee in response to the sound of her own name
Biology Letters, 6, 311-313
Object-based attention in chimpanzees (Pan troglodytes).
Vision Research, 50, 577-584
Plasticity of ability to form cross-modal representations in infant Japanese macaques.
Developmental Science, 12, 446-452
Moving shadows contribute to the corridor illusion in a chimpanzee (Pan troglodytes).
Journal of Comparative Psychology, 123, 280-286.
How chimpanzees look at pictures: A comparative eye-tracking study.
Proceedings of the Royal Society Series B, 276, 1949-1955.
Can we observe spontaneous smiles in 1-year-olds?
Infant Behavior and Development, 32(4): 416-421
Fear responses of Japanese monkeys to scale models.
Journal of Ethology, 27, 1-10
Perception of illusory shift of eye gaze direction by infants
Infant Behavior and Development, 32, 422-428
Human gestures trigger different attentional shifts in chimpanzees (Pan troglodytes) and humans (Homo sapiens).
Animal Cognition, 12, S11-S18.
Faces capture the visuospatial attention of chimpanzees (Pan troglodytes): Evidence from a cueing experiment.
Frontiers in Zoology, 6:14
The effects of linear perspective on relative size discrimination in chimpanzees (Pan troglodytes) and humans (Homo sapiens).
Behavioural Processes, 77, 306-312
Asymmetry in the detection of shapes from shading in infants
Japanese Psychological Research, 50, 128-136
Asymmetry on the perception of motion in depth by moving cast shadows.
Journal of Vision, 8, 1-8
Infants' sensitivity to shading and line junctions.
Vision Research, 48, 1420-1426
Utility of habituation-dishabituation procedure for comparative cognitive studies of Callithrix jacchus and Aotus spp.: Preliminary assessments.
Perceptual and Motor Skills, 106(3):830-832
Enhanced recognition of emotional stimuli in the chimpanzee (Pan troglodytes).
Animal Cognition, 11, 517-524
Roots of smile: A preterm neonates' study.
Infant Behavior and Developme, 31:518-522
Temporal characteristics of visibility in chimpanzees (Pan troglodytes) and humans (Homo sapiens) assessed using a visual masking paradigm.
Perception, 37, 1258-1268
Development of using experimenter-given cues in infant chimpanzees: Longitudinal changes in behavior and cognitive development.
Developmental Science, 11(1), 98-108.
Relative numerosity discrimination by chimpanzees (Pan troglodytes): Evidence for approximate numerical representations
Animal Cognition, 11, 43-57.
Auditory ERPs to Stimulus Deviance in an Awake Chimpanzee (Pan troglodytes): Towards Hominid Cognitive Neurosciences
PLoS ONE, 3(1): e1442
Spontaneous smile and spontaneous laugh: An intensive longitudinal case study
Infant Behavior and Development, 30, 151-157
An advantage for concavities in shape perception by chimpanzees (Pan troglodytes)
Behavioural Processes, 75, 253-258
Looking compensates for the distance between mother and infant chimpanzee.
Developmental Science, 10, 172-182.
Visual search for orientation of faces by a chimpanzee (Pan troglodytes): Face-specific upright superiority and the role of configural properties of faces.
Primates, 48, 1-12.
Is chimpanzee (Pan troglodytes) spatial attention reflexively triggered by the gaze cue?
Journal of Comparative Psychology, 121, 156-170.
Gravity bias in young and adult chimpanzees (Pan troglodytes): Tests with modified opaque-tubes task.
Developmental Science, 10, 411-421
Japanese macaques form a cross-modal representation of their own species in their first year of life
Primates, 47, 350-354
Spontaneous object sharing in captive chimpanzees (Pan troglodytes).
International Journal of Comparative Psychology, 19, 439-446
Perception of motion trajectory of object from the moving cast shadow in infants
Vision Research, 46, 652-657
Origins of smile and laughter: A preliminary study
Early Human Development, 82, 61-66
Visual search for moving and stationary items in chimpanzees (Pan troglodytes) and humans (Homo sapiens)
Behavioural Brain Research, 172, 219-232
Group differences in the mutual gaze of chimpanzees (Pan troglodytes).
Developmental Psychology, 41: 616-624
"Intentional" control of sound production found in leaf-clipping display of Mahale chimpanzees
Journal of Ethology, 23: 109-112
Can chimpanzee infants (Pan troglodytes) form categorical representations in the same manner as human infants(Homo sapiens)?
Developmental Science, 8:3, pp 240-254
Development of face recognition in infant chimpanzees (Pan troglodytes)
Cognitive Development , 20, 49-63
Exploring by doing: How young chimpanzees discover surfaces through actions with objects
Infant Behavior & Development, 28, 316-328
Socioecological influences on tool use in captive chimpanzees.
International Journal of Primatology, 25, 1267-1281
Associative Learning and Memory in a Chimpanzee Fetus: Learning and Long-Lasting Memory Before Birth
Developmental Psychobiology, Volume 44, Issue 2, pages 116-122
Development of schematic face preference in macaque monkeys
Behavioural Processes, 66, 17-21
Fetal habituation correlates with functional brain development
Behavioural Brain Research, 153, 459-463
Do infant Japanese macaques (Macaca fuscata) categorize objects without specific training?
Imitation in neonatal chimpanzees (Pan troglodytes)
Developmental Science, 7:4, pp 437-442
Looking back: The “representational mechanism”of joint attention in an infant chimpanzee (Pan troglodytes)
Japanese Psychological Research, Volume 46, No. 3, 236-245
Development of social cognition in infant chimpanzees (Pan troglodytes): Face recognition, smiling, gaze, and the lack of triadic interactions
Japanese Psychological Research, Volume 46, Issue 3, pages 227-235
Facial responses to four basic tastes in newborn rhesus macaques (Macaca mulatta) and chimpanzees (Pan troglodytes)
Behavioural Brain Research, 154, 261-271
Tool use tasks as environmental enrichment for captive chimpanzees
Applied Animal Behaviour Science, 81: 171-182
Perception of depth from shading in infant chimpanzees (Pan troglodytes)
Animal Cognition, Volume 6, Number 4, 253-258
Preference for human direct gaze in infant chimpanzees (Pan troglodytes)
Cognition, 89, B53-B64
Urinary steroids, FSH and CG measurements for monitoring the ovarian cycle and pregnancy in the chimpanzee
Journal of Medical Primatology, Volume 32, Issue 1, pages 15-22
Finger drawing by infant chimpanzees (Pan troglodytes)
Animal Cognition, 6 : 245-251
The calming effect of stimuli presentation on infant Japanese macaques (Macaca fuscata) under stress situation: A preliminary study
Primates, 43: 73-85
An infant chimpanzee (Pan troglodytes) follows human gaze
Animal Cognition, Volume 5, Number 2, 107-114
Enumeration of briefly presented items by the chimpanzee (Pan troglodytes) and humans (Homo sapiens)
Animal Learning & Behavior, 30 (2), 143-157
Attention visuelle et perception de regards par le chimpanzé (Pan troglodytes) et le babouin (Papio papio) [Visual attention and perception of gaze by the chimpanzee (Pan troglodytes) and the baboon (Papio papio).]
Primatologie, 5, 49-73
Action-based distractor effects on the manual response times of chimpanzees during discrimination tasks
Cognitive Brain Research, 13, 235-240
Attentional capture in the chimpanzee (Pan troglodytes): Effects of a singleton distractor on visual search performances.
Current Psychology Letters, No.8, 97-105
Learning processes in the acquisition of a tool using task by captive chimpanzees.
Psychologia, 44: 70-81
Effects of element separation on perceptual grouping by humans (Homo sapiens) and chimpanzees (Pan troglodytes): perception of Kanizsa illusory figures
Animal Cognition, 4: 171-177
For a rise of comparative cognitive science
Animal Cognition, 4: 133-135
Development of face recognition in an infant gibbon(Hylobates agilis)
Infant Behavior & Development, 24:215-227
Perceiving eye gaze in an infant gibbon (Hylobates agilis).
Psychologia, 44(1): 24-30
Visual search for biological motion patterns in chimpanzees (Pan troglodytes).
Psychologia, 44(1): 46-59
Sequential responding to arabic numerals with wild cards by the chimpanzee (Pan troglodytes)
Animal Cognition, 3 :1-11
Perception des dimensions globales et locales de stimuli visuels chez le primate.
Primatologie, 2, 61-77
Global and local processing in humans (Homo sapiens) and chimpanzees (Pan troglodytes): Use of a visual search task with compound stimuli.
Journal of Comparative Psychology, 113, 3-12
Inversion effect in perception of human faces in a chimpanzee (Pan troglodytes)
Primates, 40, 417-438
Establishing functional classes in a chimpanzee (Pan troglodytes) with a 2-item sequential-responding procedure.
Journal of the Experimental Analysis of Behavior, 72, 57-79
Visual texture segregation by the chimpanzee (Pan troglodytes)
Behavioural Brain Research, 99, 209-218
Perception of shape from shading in chimpanzees (Pan troglodytes) and humans (Homo sapiens)
Animal Cognition, 1, 25-35
Precuing the target location in visual searching by a chimpanzee (Pan troglodytes): Effects of precue validity.
Japanese Psychological Research, 39, 200-211
Acquisition and transmission of tool making and use for drinking juice in a group if captive chimpanzees (Pan troglodytes).
Japanese Psychological Research, 39, 253-265
Transfer of odd-item search performance in a chimpanzee (Pan troglodytes).
Perceptual and Motor Skills, 80, 35-42
Visual search by chimpanzees (Pan): assessment of controlling relations.
Journal of the Experimental Analysis of Behavior, 63, 175-186
How laboratory-raised Japanese monkeys (Macaca fuscata) perceive rotated photographs of monkeys: Evidence for an inversion effect in face perception.
Primates, 35, 155-165
Superiority of conspecific faces and reduced inversion effect in face perception by a chimpanzee (Pan troglodytes).
Folia Primatologica, 61, 110-114
Tests for control by exclusion and negative stimulus relations of arbitrary matching to sample in a "symmetry-emergent" chimpanzee.
Journal of the Experimental Analysis of Behavior, 59, 215-229
Use of multiple-alternative matching-to-sample in the study of visual search in a chimpanzee (Pan troglodytes).
Journal of Comparative Psychology, 107, 75-83
A search for search asymmetry in chimpanzees (Pan troglodytes).
Perceptual and Motor Skills, 76, 1287-1295
Facilitatory and inhibitory effects of blocked-trial fixation of the target location on a chimpanzee's (Pan troglodytes) visual search performance.
Primates, 34, 161-168
Perception of complex geometric figures in chimpanzees (Pan troglodytes) and humans (Homo sapiens): Analyses of visual similarity on the basis of choice reaction time.
Journal of Comparative Psychology, 106, 43-52
Emergence of symmetry in a visual conditional discrimination by chimpanzees (Pan troglodytes).
Psychological Reports, 68, 51-60
Multidimensional auditory stimulus control in a chimpanzee (Pan troglodytes).
Primates, 31, 545-553