Category Archives: Research papers

Are human visual preferences older than humans themselves?

Our most recent paper shows that we (Homo sapiens) share our preference for curved contours with our closest living primate relatives: chimpanzees (Pan troglodytes) and gorillas (Gorilla gorilla). This suggests that such preference is not a unique evolutionary acquisition of our species. It seems, rather, that we inherited it from earlier primate ancestors – at least the common ancestor of humans, chimpanzees and gorillas, which lived in Africa some 7 or 8 million years ago.

The implication is that some of the building blocks of aesthetic appreciation – visual preference, in this case – might have a long evolutionary history in the primate lineage, predating the appearance of our own species by millions of years. Whatever the details of the origin of aesthetic appreciation, it seems it was the result of tweaking and integrating perceptual, cognitive, and emotional processes common to many extant and extinct primate species.



Among the visual preferences that guide many everyday activities and decisions, from consumer choices to social judgment, preference for curved over sharp-angled contours is commonly thought to have played an adaptive role throughout human evolution, favoring the avoidance of potentially harmful objects. However, because nonhuman primates also exhibit preferences for certain visual qualities, it is conceivable that humans’ preference for curved contours is grounded on perceptual and cognitive mechanisms shared with extant nonhuman primate species. Here we aimed to determine whether nonhuman great apes and humans share a visual preference for curved over sharp-angled contours using a 2-alternative forced choice experimental paradigm under comparable conditions. Our results revealed that the human group and the great ape group indeed share a common preference for curved over sharp-angled contours, but that they differ in the manner and magnitude with which this preference is expressed behaviorally. These results suggest that humans’ visual preference for curved objects evolved from earlier primate species’ visual preferences, and that during this process it became stronger, but also more susceptible to the influence of higher cognitive processes and preference for other visual features.

Munar, E., Gómez-Puerto, G., Call, J., & Nadal, M. (2015). Common visual preference for curved contours in humans and great apesPLoS One, 10(11): e0141106

The neuroaesthetics of prose fiction, by Michael Burke

Burke, M. (2015). The neuroaesthetics of prose fiction: pitfalls, parameters and prospects. Frontiers in Human Neuroscience, 9: 442. doi: 10.3389/fnhum.2015.00442


There is a paucity of neuroaesthetic studies on prose fiction. This is in contrast to the very many impressive studies that have been conducted in recent times on the neuroaesthetics of sister arts such as painting, music and dance. Why might this be the case, what are its causes and, of greatest importance, how can it best be resolved? In this article, the pitfalls, parameters and prospects of a neuroaesthetics of prose fiction will be explored. The article itself is part critical review, part methodological proposal and part opinion paper. Its aim is simple: to stimulate, excite and energize thinking in the discipline as to how prose fiction might be fully integrated in the canon of neuroaesthetics and to point to opportunities where neuroimaging studies on literary discourse processing might be conducted in collaborative work bringing humanists and scientists together.

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Artworks as dichotomous objects, by Robert Pepperell

Artworks as dichotomous objects: implications for the scientific study of aesthetic experience

Pepperell R (2015) Artworks as dichotomous objects: implications for the scientific study of aesthetic experienceFront. Hum. Neurosci9:295. doi: 10.3389/fnhum.2015.00295


This paper addresses an issue that has been studied from both scientific and art theoretical perspectives, namely the dichotomous nature of representational artworks. Representational artworks are dichotomous in that they present us with two distinct aspects at once. In one aspect we are aware of what is represented while in the other we are aware of the material from which the representation is composed. The dichotomy arises due the incompatibility, indeed contradiction, between these aspects of awareness, both of which must be present if we are to fully appreciate the artwork. Examples from art history are given to show how artists have exploited this dichotomy in a way that conditions our response to their work. I hypothesize that the degree of manifest dichotomy in a work determines the strength of its aesthetic effect, and propose this could be experimentally tested. I conclude that scientific studies of aesthetic experience should take the dichotomous nature of artworks into account.

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