Are the Benefits of Sentence Context Different in Central and Peripheral Vision?

Fine, Elisabeth M.; Hazel, Charlotte A.; Latham, Keziah; Rubin, Gary S.

doi:10.1097/00006324-199911000-00025

Cited by 28 publications

(29 citation statements)

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“…However, none of those studies compensated for the reduced resolution of the retinal periphery by increasing letter size. When letter size has been appropriately magnified, it has been found that sentence context is as beneficial at the periphery as it is at the fovea (Fine et al, 1999;Fine & Peli, 1996).…”

Section: Finementioning

confidence: 99%

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The relative benefit of word context is a constant proportion of letter identification time

Fine

2004

Perception & Psychophysics

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Letter identification is reduced when the target letter is surrounded by other, flanking letters. This visual crowding is known to be impacted by physical changes to the target and flanks, such as spatial frequency content, polarity, and interletter spacing. There is also evidence that visual crowding is reduced when the flanking letters and the target letter form a word. The research reported here investigated whether these two phenomena are independent of each other or whether the degree of visual crowding impacts the benefit of word context. Stimulus duration thresholds for letters presented alone and for the middle letters of 3-letter words and nonwords were determined for stimuli presented at the fovea and at the periphery. In Experiment 1, the benefit of word context was found to be the same at the fovea, where visual crowding is minimal, and at the periphery, where visual crowding is substantial. In Experiment 2, visual crowding was manipulated by changing the interletter spacing. Here, too, the benefit of word context was fairly constant for the two retinal locations (fovea or periphery), as well as with changes in interletter spacing. These data call into question both the idea that the benefit of word context is greater when stimulus quality is reduced (as is the case with visual crowding) and the idea that words are processed more effectively when they are presented at the fovea.

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Section: Finementioning

confidence: 99%

“…It is also possible that, like the benefit of sentence context on reading lists of words, there will be no difference in performance between the fovea and the periphery (Fine, Hazel, Petre, & Rubin, 1999;Fine & Peli, 1996).…”

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The relative benefit of word context is a constant proportion of letter identification time

Fine

2004

Perception & Psychophysics

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“…Fine et al [3] showed that the recognition of sentence context increases reading speed relative to reading unrelated words. Thus, a sentence context that has a meaning leads to faster reading speed [3]. McMahon, Hansen and Viana [16] postulated that sequencing a sentence or visual information in general has an impact on reading speed.…”

Section: Discussionmentioning

confidence: 99%

“…Reading performance RH-subjects showed a trend for slower reading speed [3][4][5][6][7] Table 4. When compared with the RH-group, LH-subjects had significantly poorer scores on NEI-VFQ subscales general health and social functioning (difference for general health=16.86, difference for social functioning=11.54, both p<0.05).…”

Section: Reading Performancementioning

confidence: 99%

Parafoveal vision impairments and their influence on reading performance and self-evaluated reading abilities

Gall

Wagenbreth

Sgorzaly

et al. 2010

Graefes Arch Clin Exp Ophthalmol

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Patients with HFD showed severely reduced reading speed, which was reflected in subjectively diminished reading performance, and reduced reading-related QoL parameters. Larger areas of functionally intact parafoveal vision were associated with better reading performance. Although eye movements occurred during campimetry, these did not seem to constitute an artificially enlarged area of parafoveal intact vision.

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“…This effect was not found in patients with a central scotoma when reading with the inferior part of the retina [15], but was well marked in a simulation study in which participants read with the nasal part of the retina [17]. It is conceivable that the benefits of contextual effect counteract to a certain extent limitations resulting from crowding effects, reduced visual span and eye movement problems.…”

Section: Context In Paragraphed Textmentioning

confidence: 92%

The relationship between word length and threshold character size in patients with central scotoma and eccentric fixation

Déruaz¹,

Goldschmidt²,

Mermoud³

et al. 2005

Graefe's Arch Clin Exp Ophthalmo

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Are the Benefits of Sentence Context Different in Central and Peripheral Vision?

Cited by 28 publications

References 0 publications

The relative benefit of word context is a constant proportion of letter identification time

The relative benefit of word context is a constant proportion of letter identification time

Parafoveal vision impairments and their influence on reading performance and self-evaluated reading abilities

The relationship between word length and threshold character size in patients with central scotoma and eccentric fixation

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