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1.
To understand how our brain evolved and what it is for, we are in urgent need of knowledge about the cognitive skills of a large variety of animal species and individuals, and their relationships to rapidly disappearing social and ecological conditions. But how do we obtain this knowledge? Studying cognition in the wild is a challenge. Field researchers (and their study subjects) face many factors that can easily interfere with their variables of interest. Although field studies of cognition present unique challenges, they are still invaluable for understanding the evolutionary drivers of cognition. In this review, I discuss the advantages and urgency of field‐based studies on animal cognition and introduce a novel observational approach for field research that is guided by three questions: (a) what do animals fail to find?, (b) what do they not do?, and (c) what do they only do when certain conditions are met? My goal is to provide guidance to future field researchers examining primate cognition.  相似文献   

2.
During the 20th century there has been considerable progress in the study of animal cognition, based on essential ideas that were developed earlier. These essential ideas include the metaphors of the animal, the questions, the sources of hypotheses, and the types of explanations. The progress cannot be generally characterized as continuous improvement, cyclic changes, or discrete steps, but the quality of the empirical results has increased substantially since the first experiments in the field. Improvements in research methods have been primarily responsible for this progress. These have included improvements in animal husbandry, stimulus control, apparatus design, the measurement of behavior, experimental procedures, and data analysis. In the last third of the century the computer has led to major improvements in all stages of the research process in animal cognition. Although they have greatly improved the quality of the empirical results, they have not led to a general theory of animal cognition. In the near future the available research methods are likely to lead to further progress in the developments of quantitative theories of animal cognition.  相似文献   

3.
Spatial tasks in rodents are commonly used to study general mechanisms of cognition. We review two groups of novel spatial tasks for rodents and discuss how they can extend our understanding of mechanisms of spatial cognition. The first group represents spatial tasks in which the subject does not locomote. Locomotion influences neural activity in brain structures important for spatial cognition. The tasks belonging to the first group make it possible to study cognitive processes without the interfering impact of locomotion. The second group represents tasks in which the subject approaches or avoids a moving object. Despite this topic is intensively studied in various animal species, little attention has been paid to it in rodents. Both groups of the tasks are powerful tools for addressing novel questions about rodent cognition.  相似文献   

4.
According to recent studies on animal personalities, the level of behavioral plasticity, which can be viewed as the slope of the behavioral reaction norm, varies among individuals, populations, and species. Still, it is conceptually unclear how the interaction between environmental variation and variation in animal cognition affect the evolution of behavioral plasticity and expression of animal personalities. Here, we (1) use literature to review how environmental variation and individual variation in cognition explain population and individual level expression of behavioral plasticity and (2) draw together empirically yet nontested, conceptual framework to clarify how these factors affect the evolution and expression of individually consistent behavior in nature. The framework is based on simple principles: first, information acquisition requires cognition that is inherently costly to build and maintain. Second, individual differences in animal cognition affect the differences in behavioral flexibility, i.e. the variance around the mean of the behavioral reaction norm, which defines plasticity. Third, along the lines of the evolution of cognition, we predict that environments with moderate variation favor behavioral flexibility. This occurs since in those environments costs of cognition are covered by being able to recognize and use information effectively. Similarly, nonflexible, stereotypic behaviors may be favored in environments that are either invariable or highly variable, since in those environments cognition does not give any benefits to cover the costs or cognition is not able to keep up with environmental change, respectively. If behavioral plasticity develops in response to increasing environmental variability, plasticity should dominate in environments that are moderately variable, and expression of animal personalities and behavioral syndromes may differ between environments. We give suggestions how to test our hypothesis and propose improvements to current behavioral testing protocols in the field of animal personality.  相似文献   

5.
Research on humans from birth to maturity converges with research on diverse animals to reveal foundational cognitive systems in human and animal minds. The present article focuses on two such systems of geometry. One system represents places in the navigable environment by recording the distance and direction of the navigator from surrounding, extended surfaces. The other system represents objects by detecting the shapes of small-scale forms. These two systems show common signatures across animals, suggesting that they evolved in distant ancestral species. As children master symbolic systems such as maps and language, they come productively to combine representations from the two core systems of geometry in uniquely human ways; these combinations may give rise to abstract geometric intuitions. Studies of the ontogenetic and phylogenetic sources of abstract geometry therefore are illuminating of both human and animal cognition. Research on animals brings simpler model systems and richer empirical methods to bear on the analysis of abstract concepts in human minds. In return, research on humans, relating core cognitive capacities to symbolic abilities, sheds light on the content of representations in animal minds.  相似文献   

6.
Empirical studies of the social lives of non-human primates, cetaceans, and other social animals have prompted scientists and philosophers to debate the question of whether morality and moral cognition exists in non-human animals. Some researchers have argued that morality does exist in several animal species, others that these species may possess various evolutionary building blocks or precursors to morality, but not quite the genuine article, while some have argued that nothing remotely resembling morality can be found in any non-human species. However, these different positions on animal morality generally appear to be motivated more by different conceptions of how the term “morality” is to be defined than by empirical disagreements about animal social behaviour and psychology. After delving deeper into the goals and methodologies of various of the protagonists, I argue that, despite appearances, there are actually two importantly distinct debates over animal morality going on, corresponding to two quite different ways of thinking about what it is to define “morality”, “moral cognition”, and associated notions. Several apparent skirmishes in the literature are thus cases of researchers simply talking past each other. I then focus on what I take to be the core debate over animal morality, which is concerned with understanding the nature and phylogenetic distribution of morality conceived as a psychological natural kind. I argue that this debate is in fact largely terminological and non-substantive. Finally, I reflect on how this core debate might best be re-framed.  相似文献   

7.
In the human the peptide Humanin is produced from the small Humanin gene which is embedded as a gene-within-a-gene in the 16S ribosomal molecule of the mitochondrial DNA (mtDNA).The peptide itself appears to be significant in the prevention of cell death in many tissues and improve cognition in animal models.By using simple data mining techniques,it is possible to show that 99.4% of the human Humanin sequences in the GenBank database are unaffected by mutations.However,in other vertebrates,pseudogenization of the Humanin gene is a common feature;occurring apparently randomly in some species and not others.The persistence,or loss,of a functional Humanin gene may be an important factor in laboratory animals,especially if they are being used as animal models in studies of Alzheimer's disease (AD).The exact reason why Humanin underwent pseudogenization in some vertebrate species during their evolution remains to be determined.This study was originally planned to review the available information about Humanin and it was a surprise to be able to show that pseudogenization has occurred in a gene in the mtDNA and is not restricted solely to chromosomal genes.  相似文献   

8.
Although our understanding of primate cognition is growing rapidly, little is known about the cognition of colobines. Here we report the results of a set of 5 experiments on colobine cognition using 17 golden snub-nosed monkeys (Rhinopithecus roxellana). These monkeys are folivores that form multilevel societies with groups of hundreds of individuals and relatively high fission–fusion dynamics. We investigated their sensitivity to human social cues and ability to inhibit impulsive behavioral responses. In three sociocognitive experiments we found that, like most other primates, they follow the gaze direction of a human demonstrator but there is no evidence that they use others’ social cues in a cooperative task to locate hidden food or in a competitive task to steal forbidden food. In two inhibitory control experiments, we found that the monkeys showed a low level of inhibitory control, comparable to that of other folivorous primates. These results suggest that phylogeny and folivory might have been important in shaping the cognition of golden snub-nosed monkeys. Moreover, this species’ large group size and relatively high fission–fusion dynamics may not have imposed a significant social challenge to their cognition, as social interactions occur mainly within basic social units.  相似文献   

9.
In this article, I consider the shifting politics of animal rights activism in Israel in relation to human rights activism. I find that whereas in the past, human and animal rights activism were tightly linked, today they have become decoupled, for reasons I explore in this article. Although human and animal rights activism once shared social and ideological foundations in Israeli society, today much of the current animal rights activism is assertive and explicit in its disregard for human rights issues, such as the ongoing occupation of Palestine and the treatment of Palestinians. This decoupling has been heightened by the appropriation of animal rights politics by a right‐wing state for the purposes of ethical legitimation. This article considers the dilemmas of ethical responsibilities towards humans and animals as it plays out in one of the most vexed political environments in the world. I consider the shifting politics of human and animal rights activism, and demonstrate how they implicate and entangle each other in the context of the ongoing Israeli‐Palestinian conflict. I further consider what the decoupling of the human and animal rights movements might suggest regarding the ongoing academic critique of human rights and humanism.  相似文献   

10.
动物认知能力高低及认知在动物中的进化是动物研究领域面对的难题之一。鸦科鸟类在工具使用、情景记忆、抑制控制等方面有着与类人猿媲美的优异表现。本文对过去三四十年间主要的鸦科鸟类认知研究进行了分类与汇总,并将上述认知研究划分为一般认知、物理认知、社会认知等三类。一般认知能力或者称为认知基础,是指具有普遍性的能力因素,是在解决不同问题时都能表现出来的相同的心理特质;物理认知指个体对自然规律的认知,主要包括客体永久性、数能力、工具的使用等;社会认知主要指个体对其他个体的心理状态、行为动机和意向作出推测与判断的过程。本文介绍了上述三类认知能力的主要研究范式,旨在为国内动物认知研究提供理论依据。目前的研究更多地集中于鸦属的鸟类,对于鸦科中其他鸟类或是雀形目中其他鸟类的认知研究尚不充足。此外,鸦科鸟类的社会性、分布范围、觅食策略等生态因素具有显著差异,在后续的研究中,我们应该关注生态因素对鸦科鸟类认知能力的影响,或是结合鸦科鸟类的生境及习性设计出更加合理的研究范式。  相似文献   

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