D Purves

Summary

Affiliation: Duke University Medical Center
Country: USA

Publications

  1. pmc Understanding vision in wholly empirical terms
    Dale Purves
    Center for Cognitive Neuroscience, Department of Neurobiology, Duke University, Duke National University of Singapore Graduate Medical School, Singapore 169857
    Proc Natl Acad Sci U S A 108:15588-95. 2011
  2. ncbi request reprint Perceiving the intensity of light
    Dale Purves
    Center for Cognitive Neuroscience, Duke University, Durham, NC 27708, USA
    Psychol Rev 111:142-58. 2004
  3. pmc Why we see things the way we do: evidence for a wholly empirical strategy of vision
    D Purves
    Duke University Medical Center, Durham, NC 27710, USA
    Philos Trans R Soc Lond B Biol Sci 356:285-97. 2001
  4. pmc The perception of transparent three-dimensional objects
    D Purves
    Department of Neurobiology, Box 3209, Duke University Medical Center, Durham, NC 27710, USA
    Proc Natl Acad Sci U S A 94:6517-22. 1997
  5. ncbi request reprint Color vision and the four-color-map problem
    D Purves
    Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
    J Cogn Neurosci 12:233-7. 2000
  6. ncbi request reprint Size contrast and assimilation explained by the statistics of natural scene geometry
    Catherine Q Howe
    Center for Cognitive Neuroscience, Duke University, Durham, NC 27708, USA
    J Cogn Neurosci 16:90-102. 2004
  7. ncbi request reprint An empirical explanation of the Chubb illusion
    R B Lotto
    Duke University Medical Center, Durham, NC 27710, USA
    J Cogn Neurosci 13:547-55. 2001
  8. pmc Natural-scene geometry predicts the perception of angles and line orientation
    Catherine Q Howe
    Center for Cognitive Neuroscience, Duke University, Box 90999, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 102:1228-33. 2005
  9. ncbi request reprint Evolution of visually guided behavior in artificial agents
    Byron Boots
    Department of Neurobiology and Center for Cognitive Neuroscience, Duke University, Durham, NC 27708, USA
    Network 18:11-34. 2007
  10. pmc A wholly empirical explanation of perceived motion
    Z Yang
    Department of Neurobiology, Box 3209, Duke University Medical Center, Durham, NC 27710, USA
    Proc Natl Acad Sci U S A 98:5252-7. 2001

Research Grants

  1. CONSTRUCTION OF BRAIN CIRCUITS
    Dale Purves; Fiscal Year: 2001
  2. CONSTRUCTION OF BRAIN CIRCUITRY
    Dale Purves; Fiscal Year: 1993
  3. A Probabilistic Concept of Sensory Cortical Funcion
    Dale Purves; Fiscal Year: 2004

Collaborators

Detail Information

Publications33

  1. pmc Understanding vision in wholly empirical terms
    Dale Purves
    Center for Cognitive Neuroscience, Department of Neurobiology, Duke University, Duke National University of Singapore Graduate Medical School, Singapore 169857
    Proc Natl Acad Sci U S A 108:15588-95. 2011
    ..Vision in these terms requires fundamentally different concepts of what we see, why, and how the visual system operates...
  2. ncbi request reprint Perceiving the intensity of light
    Dale Purves
    Center for Cognitive Neuroscience, Duke University, Durham, NC 27708, USA
    Psychol Rev 111:142-58. 2004
    ..The implication of these observations is that perceptions of lightness and brightness are generated according to the probability distributions of the possible sources of luminance values in stimuli that are inevitably ambiguous...
  3. pmc Why we see things the way we do: evidence for a wholly empirical strategy of vision
    D Purves
    Duke University Medical Center, Durham, NC 27710, USA
    Philos Trans R Soc Lond B Biol Sci 356:285-97. 2001
    ....
  4. pmc The perception of transparent three-dimensional objects
    D Purves
    Department of Neurobiology, Box 3209, Duke University Medical Center, Durham, NC 27710, USA
    Proc Natl Acad Sci U S A 94:6517-22. 1997
    ..The necessity of such learning may explain why the mammalian visual system is subject to a prolonged period of plasticity in early life, when novel circuits are made in enormous numbers...
  5. ncbi request reprint Color vision and the four-color-map problem
    D Purves
    Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
    J Cogn Neurosci 12:233-7. 2000
    ..We therefore suggest that the organization of human color vision according to four-color classes (reds, greens, blues, and yellows) has arisen as a solution to this logical requirement in topology...
  6. ncbi request reprint Size contrast and assimilation explained by the statistics of natural scene geometry
    Catherine Q Howe
    Center for Cognitive Neuroscience, Duke University, Durham, NC 27708, USA
    J Cogn Neurosci 16:90-102. 2004
    ..We conclude that size contrast and assimilation effects are a further manifestation of a fundamentally probabilistic process of visual perception...
  7. ncbi request reprint An empirical explanation of the Chubb illusion
    R B Lotto
    Duke University Medical Center, Durham, NC 27710, USA
    J Cogn Neurosci 13:547-55. 2001
    ..These observations indicate that this 'illusion' is yet another signature of the fundamentally empirical strategy of visual perception, in this case generated by the typical influence of transmittance on inherently ambiguous stimuli...
  8. pmc Natural-scene geometry predicts the perception of angles and line orientation
    Catherine Q Howe
    Center for Cognitive Neuroscience, Duke University, Box 90999, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 102:1228-33. 2005
    ..These findings imply that the perception of angles and oriented lines is determined by the statistical relationship between geometrical stimuli and their physical sources in typical visual environments...
  9. ncbi request reprint Evolution of visually guided behavior in artificial agents
    Byron Boots
    Department of Neurobiology and Center for Cognitive Neuroscience, Duke University, Durham, NC 27708, USA
    Network 18:11-34. 2007
    ....
  10. pmc A wholly empirical explanation of perceived motion
    Z Yang
    Department of Neurobiology, Box 3209, Duke University Medical Center, Durham, NC 27710, USA
    Proc Natl Acad Sci U S A 98:5252-7. 2001
    ..The velocities reported by observers in a variety of stimulus contexts can be accounted for in this way...
  11. pmc An empirical explanation of color contrast
    R B Lotto
    Duke University Medical Center, Box 3209, Durham, NC 27710, USA
    Proc Natl Acad Sci U S A 97:12834-9. 2000
    ..The results we describe are consistent with a wholly empirical explanation of color contrast effects...
  12. pmc An empirical explanation of the flash-lag effect
    William T Wojtach
    Department of Neurobiology, Center for Cognitive Neuroscience, Box 90999, Duke University, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 105:16338-43. 2008
    ....
  13. pmc An empirical explanation of aperture effects
    Kyongje Sung
    Center for Cognitive Neuroscience and Department of Neurobiology, Duke University, Box 90999, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 106:298-303. 2009
    ....
  14. pmc An empirical explanation of the speed-distance effect
    William T Wojtach
    Center for Cognitive Neuroscience, Department of Neurobiology, Duke University, Durham, North Carolina, USA
    PLoS ONE 4:e6771. 2009
    ..These results indicate that speed-distance effects are determined empirically from accumulated past experience with the relationship between image speeds and moving objects...
  15. pmc The Müller-Lyer illusion explained by the statistics of image-source relationships
    Catherine Q Howe
    Center for Cognitive Neuroscience, Duke University, Box 90999, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 102:1234-9. 2005
    ..These results support the conclusion that the Müller-Lyer illusion is a manifestation of the probabilistic strategy of visual processing that has evolved to contend with the uncertain provenance of retinal stimuli...
  16. ncbi request reprint Pitch is determined by naturally occurring periodic sounds
    David A Schwartz
    Center for Cognitive Neuroscience and Department of Neurobiology, Duke University, Box 90999, Durham, NC 27708 0999, USA
    Hear Res 194:31-46. 2004
    ..We conclude from these findings that pitch entails an auditory process that relates inevitably ambiguous sound stimuli to their probable natural sources...
  17. pmc The statistical structure of natural light patterns determines perceived light intensity
    Zhiyong Yang
    Center for Cognitive Neuroscience and Department of Neurobiology, Box 90999, Duke University, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 101:8745-50. 2004
    ..That brightness is determined by the statistics of natural light patterns implies that the relevant neural circuitry is specifically organized to generate these probabilistic responses...
  18. pmc Natural scene statistics as the universal basis of color context effects
    Fuhui Long
    Center for Cognitive Neuroscience and Department of Neurobiology, Box 90999, Levine Science Research Center, Room B243E, Research Drive, Duke University, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 100:15190-3. 2003
    ..Using a hyperspectral image database of natural scenes, we here show that color contrast, constancy, and assimilation are all predicted by the statistical organization of spectral returns from natural visual environments...
  19. ncbi request reprint Image/source statistics of surfaces in natural scenes
    Zhiyong Yang
    Department of Neurobiology, Box 3209, Duke University Medical Center, Durham, NC 27710, USA
    Network 14:371-90. 2003
    ..The relevance of these statistics to both perception and the neuronal organization of the underlying visual circuitry is discussed...
  20. ncbi request reprint Perception of objects that are translating and rotating
    Zhiyong Yang
    Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
    Perception 31:925-42. 2002
    ....
  21. ncbi request reprint A statistical explanation of visual space
    Zhiyong Yang
    Department of Neurobiology, Box 3209, Duke University Medical Center, Durham, North Carolina 27710, USA
    Nat Neurosci 6:632-40. 2003
    ..This finding lends support to the idea that the characteristics of human visual space are determined probabilistically...
  22. pmc A probabilistic explanation of brightness scaling
    Surajit Nundy
    Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
    Proc Natl Acad Sci U S A 99:14482-7. 2002
    ....
  23. pmc Spectral statistics in natural scenes predict hue, saturation, and brightness
    Fuhui Long
    Department of Neurobiology and Center for Cognitive Neuroscience, Duke University, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 103:6013-8. 2006
    ..The cumulative density functions derived from these distributions predict the major colorimetric functions that have been reported in psychophysical experiments over the last century...
  24. ncbi request reprint Comparison of Bayesian and empirical ranking approaches to visual perception
    Catherine Q Howe
    Center for Cognitive Neuroscience and Department of Neurobiology, Duke University, Durham NC 27708, USA
    J Theor Biol 241:866-75. 2006
    ..Deciding which of these approaches has greater merit is likely to determine how the statistical operations that apparently underlie visual perception are eventually understood...
  25. ncbi request reprint The empirical basis of color perception
    R Beau Lotto
    Department of Neurobiology, Duke University Medical Center, Box 3209, DUMC, Durham, NC 27710, USA
    Conscious Cogn 11:609-29. 2002
    ..The rationale for this strategy in color vision, as in other visual perceptual domains, is the inherent ambiguity of the real-world origins of any spectral stimulus...
  26. ncbi request reprint The statistical structure of human speech sounds predicts musical universals
    David A Schwartz
    Department of Neurobiology and Center for Cognitive Neuroscience, Duke University Medical Center, Duke University, Durham, North Carolina 27710, USA
    J Neurosci 23:7160-8. 2003
    ..These observations suggest that what we hear is determined by the statistical relationship between acoustical stimuli and their naturally occurring sources, rather than by the physical parameters of the stimulus per se...
  27. pmc Range image statistics can explain the anomalous perception of length
    Catherine Q Howe
    Department of Neurobiology, Box 3209, Duke University Medical Center, Durham, NC 27710, USA
    Proc Natl Acad Sci U S A 99:13184-8. 2002
    ..This evidence implies that the perception of visual space is determined by the probability distribution of the possible real-world sources of retinal images...
  28. pmc The extraordinarily rapid disappearance of entopic images
    D Coppola
    Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
    Proc Natl Acad Sci U S A 93:8001-4. 1996
    ..Here we show that images of entoptic vascular shadows can disappear in less than 80 msec. The rapid vanishing of these images implies an active mechanism of image erasure and creation as the basis of normal visual processing...
  29. pmc The Poggendorff illusion explained by natural scene geometry
    Catherine Q Howe
    Center for Cognitive Neuroscience and Department of Neurobiology, Duke University, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 102:7707-12. 2005
    ....
  30. pmc Musical intervals in speech
    Deborah Ross
    Center for Cognitive Neuroscience and Department of Neurobiology, Duke University, Durham, NC 27708, USA
    Proc Natl Acad Sci U S A 104:9852-7. 2007
    ..These results imply that human preference for the intervals of the chromatic scale arises from experience with the way speech formants modulate laryngeal harmonics to create different phonemes...
  31. pmc A biological rationale for musical scales
    Kamraan Z Gill
    Center for Cognitive Neuroscience and Department of Neurobiology, Duke University, Durham, North Carolina, United States of America
    PLoS ONE 4:e8144. 2009
    ..These findings suggest that humans prefer tone combinations that reflect the spectral characteristics of conspecific vocalizations. The analysis also highlights the spectral similarity among the scales used by different cultures...
  32. ncbi request reprint The wagon-wheel illusion in continuous light
    Tim Andrews
    Department of Psychology, University of York, York, YO10 5DD, UK
    Trends Cogn Sci 9:261-3. 2005
    ..Here we review this potentially confusing evidence and suggest how it should be interpreted...
  33. ncbi request reprint A rationale for the structure of color space
    R Beau Lotto
    Institute of Ophthalmology, University College London, 11 43 Bath Street, EC1V 9EL, London, UK
    Trends Neurosci 25:84-8. 2002
    ....

Research Grants13

  1. CONSTRUCTION OF BRAIN CIRCUITS
    Dale Purves; Fiscal Year: 2001
    ....
  2. CONSTRUCTION OF BRAIN CIRCUITRY
    Dale Purves; Fiscal Year: 1993
    ....
  3. A Probabilistic Concept of Sensory Cortical Funcion
    Dale Purves; Fiscal Year: 2004
    ..abstract_text> ..