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The problematic nature of experiment...

Seppalainen, Tom Vilho.

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The problematic nature of experiments in color science.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The problematic nature of experiments in color science./
作者:	Seppalainen, Tom Vilho.
面頁冊數:	204 p.
附註:	Source: Dissertation Abstracts International, Volume: 60-09, Section: A, page: 3398.
Contained By:	Dissertation Abstracts International60-09A.
標題:	Philosophy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9945146
ISBN:	0599470127

The problematic nature of experiments in color science.
Seppalainen, Tom Vilho.

The problematic nature of experiments in color science. - 204 p.

Source: Dissertation Abstracts International, Volume: 60-09, Section: A, page: 3398.

Thesis (Ph.D.)--University of Pittsburgh, 1999.

The so-called opponent process theory of color vision has played a prominent role in recent philosophical debates on color. Several philosophers have argued that this theory can be used to reduce color experiences to properties of neural cells. I will refute this argument by displaying some of the problematic features of the experimental inference present in color science. Along the way I will explicate some of the methodological strategies employed by vision scientists to accomplish integration across the mind-body boundary. At worst, the integration follows the "looks-like" methodology where effects resemble their causes. The modern textbook model for human color vision consists of three hypothetical color channels, red-green, blue-yellow, and white-black. These are assumed to be directly responsible for their respective color sensations. The hue channels are opponent in that light stimulation can cause only one of the respective hue sensations. The channels are also seen as consisting of opponent neural cells. The cells and the channels are claimed to have similar response properties. In my work, I reconstruct some of the critical experiments underwriting the textbook model. The centerpiece is an analysis of Hurvich and Jameson's color cancellation experiment. I demonstrate that the experiment cannot rule out the contradictory alternative hypothesis for opponent channels without making question-begging assumptions. In order to accomplish this, I clarify the theorizing of Hurvich and Jameson's predecessor, Ewald Hering, as well as the classic trichromatic theory. I demonstrate that currently no converging evidence from neurophysiology exists for the opponent process theory. I show that the results from De Valois' studies of single cells are theory-laden. The classification into cell types assumes the textbook model. Since the textbook model is an artifact of experimental pseudo-convergence both claims for a reductive and a causal explanation of color experiences are premature.

ISBN: 0599470127Subjects--Topical Terms:

516511
Philosophy.

The problematic nature of experiments in color science.
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