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List of works by Michael J. Beran

"Constructive" enumeration by chimpanzees ( Pan troglodytes ) on a computerized task

"Zeroing" in on mathematics in the monkey brain

scientific article published on 22 October 2015

A Serial Reaction Time (SRT) task with symmetrical joystick responding for nonhuman primates.

scientific article published in September 2012

A Stroop-like effect in color-naming of color-word lexigrams by a chimpanzee (Pan troglodyte).

scientific article published on April 2007

A Tale of Two Comparative Psychologies: Reply to Commentaries.

scientific article

A chimpanzee recognizes synthetic speech with significantly reduced acoustic cues to phonetic content

scientific article

A longitudinal assessment of vocabulary retention in symbol-competent chimpanzees (Pan troglodytes).

scientific article

An efficient computerized testing method for the capuchin monkey (Cebus apella): adaptation of the LRC-CTS to a socially housed nonhuman primate species

scientific article published in May 2008

Analogical reasoning and the differential outcome effect: transitory bridging of the conceptual gap for rhesus monkeys (Macaca mulatta).

scientific article

Animal Memory: Chimpanzees Anticipate What Comes Next in Short Movies

scientific article published in October 2015

Animal Metacognition

Animal memory: rats bind event details into episodic memories

scientific article published in December 2014

Animal memory: rats can answer unexpected questions about past events

scientific article published in June 2012

Animal metacognition: a tale of two comparative psychologies.

scientific article published on 19 August 2013

Bears "Count" Too: Quantity Estimation and Comparison in Black Bears (Ursus Americanus)

scientific article (publication date: July 2012)

Beyond stimulus cues and reinforcement signals: a new approach to animal metacognition

scientific article

Can nonhuman primates use tokens to represent and sum quantities?

scientific article

Capuchin monkeys (Cebus apella) let lesser rewards pass them by to get better rewards

scientific article published on 12 June 2012

Capuchin monkeys (Cebus apella) succeed in a test of quantity conservation.

scientific article published on 5 June 2007

Capuchin monkeys (Cebus apella) treat small and large numbers of items similarly during a relative quantity judgment task.

scientific article published on 21 December 2015

Cashing out: The decisional flexibility of uncertainty responses in rhesus macaques (Macaca mulatta) and humans (Homo sapiens).

scientific article

Chimpanzee Cognitive Control.

scientific article published on October 2015

Chimpanzee autarky

scientific article

Chimpanzee food preferences, associative learning, and the origins of cooking

scientific article

Chimpanzee responding during matching to sample: control by exclusion

scientific article

Chimpanzees (Pan troglodytes) accurately compare poured liquid quantities

scientific article published on 10 February 2010

Chimpanzees (Pan troglodytes) can wait, when they choose to: a study with the hybrid delay task

scientific article published on 18 June 2013

Chimpanzees (Pan troglodytes) remember the location of a hidden food item after altering their orientation to a spatial array

scientific article published in November 2006

Chimpanzees (Pan troglodytes) respond to nonvisible sets after one-by-one addition and removal of items

scientific article published in March 2004

Chimpanzees (Pan troglodytes) show the isolation effect during serial list recognition memory tests

scientific article

Chimpanzees (Pan troglodytes) transfer tokens repeatedly with a partner to accumulate rewards in a self-control task

scientific article published on 5 February 2013

Chimpanzees (Pan troglodytes) use markers to monitor the movement of a hidden item

scientific article published on 10 August 2005

Chimpanzees can point to smaller amounts of food to accumulate larger amounts but they still fail the reverse-reward contingency task.

scientific article

Chimpanzees remember the results of one-by-one addition of food items to sets over extended time periods

scientific article published in February 2004

Chimpanzees show some evidence of selectively acquiring information by using tools, making inferences, and evaluating possible outcomes.

scientific article published on 11 April 2018

Chimpanzees sometimes see fuller as better: judgments of food quantities based on container size and fullness

scientific article published on 27 December 2013

Chimpanzees use self-distraction to cope with impulsivity

scientific article

Chimpanzees, cooking, and a more comparative psychology

scientific article published on 11 April 2016

Commentary: A crisis in comparative psychology: where have all the undergraduates gone?

scientific article published on 21 December 2015

Congratulations to Animal Cognition on its 50th birthday! Some thoughts on the last 50 years of animal cognition research

scientific article published in 2022

Correction to: Linear numerosity illusions in capuchin monkeys (Sapajus apella), rhesus macaques (Macaca mulatta), and humans (Homo sapiens)

scientific article published on 01 September 2019

Defining value through quantity and quality-Chimpanzees (Pan troglodytes) undervalue food quantities when items are broken

scientific article

Delay choice versus delay maintenance: different measures of delayed gratification in capuchin monkeys (Cebus apella)

scientific article published on April 2013

Delay of gratification and delay maintenance by rhesus macaques (Macaca mulatta).

scientific article published in April 2007

Delay of gratification by chimpanzees (Pan troglodytes) in working and waiting situations

scientific article

Delay of gratification by orangutans (Pongo pygmaeus) in the accumulation task

scientific article published on 10 March 2014

Delaying gratification for food and tokens in capuchin monkeys (Cebus apella) and chimpanzees (Pan troglodytes): when quantity is salient, symbolic stimuli do not improve performance.

scientific article published on 21 March 2012

Disconnect in concept learning by rhesus monkeys (Macaca mulatta): Judgment of relations and relations-between-relations

scientific article published on 01 January 2007

Dissociating uncertainty responses and reinforcement signals in the comparative study of uncertainty monitoring

article

Divide and Conquer

scientific article published on 01 July 2019

Do Social Conditions Affect Capuchin Monkeys' (Cebus apella) Choices in a Quantity Judgment Task?

scientific article (publication date: 2012)

Do monkeys choose to choose?

scientific article

Do primates see the solitaire illusion differently? A comparative assessment of humans (Homo sapiens), chimpanzees (Pan troglodytes), rhesus monkeys (Macaca mulatta), and capuchin monkeys (Cebus apella).

scientific article

Do rhesus monkeys (Macaca mulatta) perceive illusory motion?

scientific article

Do rhesus monkeys (Macaca mulatta) perceive the Zöllner illusion?

scientific article published on August 2014

Evidence for animal metaminds

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Executive-attentional uncertainty responses by rhesus macaques (Macaca mulatta)

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Exploring the Jastrow Illusion in Humans ( Homo sapiens), Rhesus Monkeys ( Macaca mulatta), and Capuchin Monkeys ( Sapajus apella)

scientific article published on 26 March 2019

Exploring the Solitaire Illusion in Guppies (Poecilia reticulata).

scientific article published on 14 December 2017

Exploring whether nonhuman primates show a bias to overestimate dense quantities.

scientific article

Fading perceptual resemblance: a path for rhesus macaques (Macaca mulatta) to conceptual matching?

scientific article published on 25 September 2013

Gambling in rhesus macaques (Macaca mulatta): The effect of cues signaling risky choice outcomes.

scientific article published in September 2017

Go when you know: Chimpanzees' confidence movements reflect their responses in a computerized memory task.

scientific article

How Illusory Is the Solitaire Illusion? Assessing the Degree of Misperception of Numerosity in Adult Humans.

scientific article published on 27 October 2016

How is chimpanzee self-control influenced by social setting?

scientific article published on 12 July 2012

Humans and monkeys show similar skill in estimating uncertain outcomes.

scientific article

I scan, therefore I decline: The time course of difficulty monitoring in humans (homo sapiens) and macaques (macaca mulatta).

scientific article published on 16 April 2018

Implicit and explicit categorization: a tale of four species

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Information seeking by rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella)

scientific article

Language-trained chimpanzees (Pan troglodytes) delay gratification by choosing token exchange over immediate reward consumption

scientific article

Language-trained chimpanzees (Pan troglodytes) name what they have seen but look first at what they have not seen

scientific article

Learning how to "make a deal": human (Homo sapiens) and monkey (Macaca mulatta) performance when repeatedly faced with the Monty Hall Dilemma

scientific article

Limited evidence of number-space mapping in rhesus monkeys (Macaca mulatta) and capuchin monkeys (Sapajus apella)

scientific article published on 21 March 2019

Linear numerosity illusions in capuchin monkeys (Sapajus apella), rhesus macaques (Macaca mulatta), and humans (Homo sapiens)

scientific article published on 29 June 2019

Long-term retention of the differential values of Arabic numerals by chimpanzees (Pan troglodytes).

scientific article published on 18 September 2003

Looking ahead? Computerized maze task performance by chimpanzees (Pan troglodytes), rhesus monkeys (Macaca mulatta), capuchin monkeys (Cebus apella), and human children (Homo sapiens)

scientific article published on 23 March 2015

Maintenance of delay of gratification by four chimpanzees (Pan troglodytes): the effects of delayed reward visibility, experimenter presence, and extended delay intervals

scientific article

Maintenance of self-imposed delay of gratification by four chimpanzees (Pan troglodytes) and an orangutan (Pongo pygmaeus).

scientific article published in January 2002

Memory for "what", "where", and "when" information in rhesus monkeys (Macaca mulatta).

scientific article

Metacognition across Species

Metacognition in Nonhumans: Methodological and Theoretical Issues in Uncertainty Monitoring

Metacognition is prior

Monkey Memory: Rehearsal Emerges for Novel Images When Familiarity Cues Fade

scientific article published on 01 December 2018

Monkeys (Macaca mulatta and Cebus apella) track, enumerate, and compare multiple sets of moving items.

scientific article published in January 2008

Monkeys (macaca mulatta and cebus apella) and human adults and children (homo sapiens) compare subsets of moving stimuli based on numerosity.

scientific article

Monkeys exhibit prospective memory in a computerized task

scientific article

Natural Choice in Chimpanzees (Pan troglodytes): Perceptual and Temporal Effects on Selective Value

scientific article published on May 2009

Nonverbal estimation during numerosity judgements by adult humans

scientific article published on December 2006

Number without language: comparative psychology and the evolution of numerical cognition.

scientific article published on 23 May 2013

Numerical judgments by chimpanzees (Pan troglodytes) in a token economy.

scientific article published in April 2011

Old World monkeys are more similar to humans than New World monkeys when playing a coordination game.

scientific article published on 9 November 2011

Ordinal judgments and summation of nonvisible sets of food items by two chimpanzees and a rhesus macaque.

scientific article published in July 2005

Ordinal judgments of symbolic stimuli by capuchin monkeys (Cebus apella) and rhesus monkeys (Macaca mulatta): the effects of differential and nondifferential reward.

scientific article published in February 2008

Ordinal-list integration for symbolic, arbitrary, and analog stimuli by rhesus macaques (Macaca mulatta).

scientific article published in April 2007

Perception of Food Amounts by Chimpanzees Based on the Number, Size, Contour Length and Visibility of Items

scientific article published on May 2008

Perception of food amounts by chimpanzees (Pan troglodytes): the role of magnitude, contiguity, and wholeness

scientific article

Post-event misinformation effects in a language-trained chimpanzee (Pan troglodytes)

scientific article published on 09 May 2020

Primate cognition: attention, episodic memory, prospective memory, self-control, and metacognition as examples of cognitive control in nonhuman primates

scientific article published on 10 June 2016

Prospective Memory in a Language-Trained Chimpanzee (Pan troglodytes).

scientific article

Prospective memory in children and chimpanzees

scientific article published on 25 July 2013

Putting the elephant back in the herd: elephant relative quantity judgments match those of other species

scientific article

Quantity estimation and comparison in western lowland gorillas (Gorilla gorilla gorilla).

scientific article published on 23 November 2013

Quantity judgments of auditory and visual stimuli by chimpanzees (Pan troglodytes).

scientific article

Quantity judgments of sequentially presented food items by capuchin monkeys (Cebus apella).

scientific article published in August 2008

Quantity representation in children and rhesus monkeys: linear versus logarithmic scales.

scientific article published on 26 November 2007

Relative quantity judgments between discrete spatial arrays by chimpanzees (Pan troglodytes) and New Zealand robins (Petroica longipes).

scientific article published on 21 April 2014

Responses to the Assurance game in monkeys, apes, and humans using equivalent procedures

scientific article

Rhesus macaques (Macaca mulatta) exhibit the decoy effect in a perceptual discrimination task.

scientific article published on July 2015

Rhesus monkeys (Macaca mulatta) adaptively monitor uncertainty while multi-tasking.

scientific article published on 13 June 2009

Rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella) remember future responses in a computerized task

scientific article

Rhesus monkeys (Macaca mulatta) enumerate large and small sequentially presented sets of items using analog numerical representations

scientific article published in January 2007

Rhesus monkeys (Macaca mulatta) remember agency information from past events and integrate this knowledge with spatial and temporal features in working memory.

scientific article published in December 2017

Rhesus monkeys (Macaca mulatta) select Arabic numerals or visual quantities corresponding to a number of sequentially completed maze trials.

scientific article published in February 2007

Rhesus monkeys (Macaca mulatta) succeed on a computerized test designed to assess conservation of discrete quantity.

scientific article published on 26 July 2006

Self-Control in Chimpanzees Relates to General Intelligence

scientific article published on 19 January 2018

Self-control assessments of capuchin monkeys with the rotating tray task and the accumulation task

scientific article published on 10 June 2016

Sequential responding and planning in capuchin monkeys (Cebus apella).

scientific article

Sequential responding and planning in chimpanzees (Pan troglodytes) and rhesus macaques (Macaca mulatta).

scientific article published in July 2004

Simians in the Shape School: A comparative study of executive attention

scientific article published on 8 January 2018

Simultaneous versus prospective/retrospective uncertainty monitoring: The effect of response competition across cognitive levels

scientific article published on 25 April 2019

Spatial memory and monitoring of hidden items through spatial displacements by chimpanzees (Pan troglodytes).

scientific article published in February 2005

Summation and numerousness judgments of sequentially presented sets of items by chimpanzees (Pan troglodytes).

scientific article

Summation and quantity judgments of sequentially presented sets by capuchin monkeys (Cebus apella).

scientific article published in February 2008

The Development and Evolution of a Computerized Testing System for Primates: Cognition, Welfare, and the Rumbaughx

scientific article published on 23 December 2017

The Highs and Lows of Theoretical Interpretation in Animal-Metacognition Research

The comparative science of "self-control": what are we talking about?

scientific article published on 30 January 2015

The comparative study of metacognition: sharper paradigms, safer inferences.

scientific article

The elusive illusion: Do children (Homo sapiens) and capuchin monkeys (Cebus apella) see the Solitaire illusion?

scientific article published on 26 October 2015

The evolution of quantitative sensitivity

scientific article published on 14 February 2022

The evolutionary and developmental foundations of mathematics

scientific article

The highs and lows of theoretical interpretation in animal-metacognition research

scientific article published on May 2012

The hybrid delay task: can capuchin monkeys (Cebus apella) sustain a delay after an initial choice to do so?

scientific article published on 26 December 2012

The misbehaviour of a metacognitive monkey

scientific article published on January 2015

The psychological organization of "uncertainty" responses and "middle" responses: a dissociation in capuchin monkeys (Cebus apella)

scientific article published on July 2009

The relationship between event-based prospective memory and ongoing task performance in chimpanzees (Pan troglodytes).

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The uncertainty response in animal-metacognition researchers

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Trading behavior between conspecifics in chimpanzees, Pan troglodytes.

scientific article published in May 2009

Trading up: chimpanzees (Pan troglodytes) show self-control through their exchange behavior.

scientific article

Uncertainty monitoring by young children in a computerized task

scientific article published on 14 June 2012

Use of exclusion by a chimpanzee (Pan troglodytes) during speech perception and auditory-visual matching-to-sample

scientific article

Visual nesting of stimuli affects rhesus monkeys' (Macaca mulatta) quantity judgments in a bisection task

scientific article (publication date: August 2013)

Waiting for what comes later: capuchin monkeys show self-control even for nonvisible delayed rewards

scientific article published on 30 May 2015

What are my chances? Closing the gap in uncertainty monitoring between rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella).

scientific article

What counts for 'counting'? Chimpanzees, Pan troglodytes, respond appropriately to relevant and irrelevant information in a quantity judgment task

scientific article (publication date: May 2013)

What do Arabic numerals mean to macaques (Macaca mulatta)?

scientific article

What meaning means for same and different: Analogical reasoning in humans (Homo sapiens), chimpanzees (Pan troglodytes), and rhesus monkeys (Macaca mulatta).

scientific article

When in doubt, chimpanzees rely on estimates of past reward amounts.

scientific article published in January 2009

When less is more: like humans, chimpanzees (Pan troglodytes) misperceive food amounts based on plate size

scientific article published on 15 August 2013

With his memory magnetically erased, a monkey knows he is uncertain.

scientific article

Words matter: Reflections on language projects with chimpanzees and their implications

scientific article published on 24 August 2020

Working and waiting for better rewards: self-control in two monkey species (Cebus apella and Macaca mulatta).

scientific article published on 09 January 2014

Working memory in children assessed with serial chaining and Simon tasks

scientific article published on 06 June 2018