Zobrazeno 1 - 10
of 260
pro vyhledávání: '"radial frequency"'
Akademický článek
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Autor:
Turoman, Nora, Velasco, Carlos
Materials associated with a project where people rated shapes varying in contour (round, angular) and symmetry (asymmetric, D1 group, D8 group) on taste (sweet, sour, bitter) and appraisal (pleasantness, threat). The Data section contains the raw dat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a18e4a91bc5204b728be2bc1b109eca
Autor:
Lawrence, S.J.D., Keefe, B.D., Vernon, R.J.W., Wade, A.R., McKeefry, Declan J., Morland, A.B.
Yes
Individual radial frequency (RF) patterns are generated by modulating a circle's radius as a sinusoidal function of polar angle and have been shown to tap into global shape processing mechanisms. Composite RF patterns can reproduce the compl
Individual radial frequency (RF) patterns are generated by modulating a circle's radius as a sinusoidal function of polar angle and have been shown to tap into global shape processing mechanisms. Composite RF patterns can reproduce the compl
Externí odkaz:
http://hdl.handle.net/10454/8745
Akademický článek
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Publikováno v:
Psicologia: Reflexão e Crítica, Vol 21, Iss 1, Pp 28-32 (2008)
The aim of this work was to measure contrast sensitivity for radial frequencies (rCSF) in the range between 0.25-2 cpd in children (4 to 7 years of age) and young adults. Contrast thresholds were estimated for 25 participants (twenty children and fiv
Externí odkaz:
https://doaj.org/article/0839d1b107f142d3abf4f3bf04439211
Publikováno v:
Psicologia: Reflexão e Crítica, Vol 21, Iss 1, Pp 28-32 (2008)
O objetivo deste trabalho foi medir a sensibilidade ao contraste para freqüências radiais (FSCr) de 0,25 a 2 cpg em crianças (4 a 7 anos) e adultos. Foram estimados limiares de contraste para 25 participantes (vinte crianças e cinco adultos joven
Externí odkaz:
https://doaj.org/article/cd38a02531bf4d16a6dd79436101db16
Publikováno v:
Brazilian Journal of Medical and Biological Research, Vol 39, Iss 6, Pp 791-794 (2006)
The objective of the present study was to determine contrast sensitivity curves of concentric circular patterns with radial frequencies of 0.25, 0.5, 1.0, 2.0, and 4.0 cycles per degree in young and older adult volunteers. These parameters were also
Externí odkaz:
https://doaj.org/article/944843220a504063ac8670825af2c740
Publikováno v:
Brazilian Journal of Medical and Biological Research, Vol 38, Iss 3, Pp 419-430 (2005)
An assumption commonly made in the study of visual perception is that the lower the contrast threshold for a given stimulus, the more sensitive and selective will be the mechanism that processes it. On the basis of this consideration, we investigated
Externí odkaz:
https://doaj.org/article/171c468c2c024f6b84697d44e8a20844
Autor:
Natanael Antonio dos Santos, Maria Lúcia de Bustamante Simas, Renata Maria Toscano Barreto Lyra Nogueira
Publikováno v:
Psicologia: Reflexão e Crítica, Vol 17, Iss 2, Pp 287-294 (2004)
O objetivo deste trabalho foi mensurar curvas de limiar de contraste para padrões espaciais circularmente simétricos em coordenadas polares. Mensurou-se os limiares de contraste para grade senoidais, freqüências radiais e freqüências radiais ac
Externí odkaz:
https://doaj.org/article/70fc5e261d0744fd8eeda1d41f4f527c
Autor:
Natanael Antonio dos Santos, Maria Lúcia de Bustamante Simas, Renata Maria Toscano Barreto Lyra Nogueira
Publikováno v:
Psicologia: Reflexão e Crítica, Vol 17, Iss 2, Pp 287-294 (2004)
The aim of this work was to measure contrast sensitivity curves to concentrically symmetric patterns in a system of polar coordinates. We measured the contrast thresholds to sine wave gratings, radial frequencies and coupled radial/angular frequencie
Externí odkaz:
https://doaj.org/article/b9312ad8738c4f04b06ed3bfe399bb6d