Testing models of object substitution with backward masking

Perception and Psychophysics;  February 1, 2007 ;     700+ words ......used to explain many other aspects of visual masking, whereas the fourth model was designed...with a mask stimulus. This kind of visual masking is a fundamental tool in visual perception...several existing quantitative models of visual masking and showed that these older models...

Japanese Inventors Develop Electrophoretic Display Apparatus

US Fed News Service, Including US State News;  October 23, 2007 ;     235 words ......granule diameter distribution has two or more frequency maximums. This electrophoretic displaying particulate has high masking performance, improving the displaying contrast of the displaying device." The inventors were issued U.S. Patent No. 6,882,463 on April...

Recently attended masks are less effective

Perception and Psychophysics;  January 1, 2008 ;     700+ words ......effect a repeated mask reduction (RMR). This simple manipulation resulted in a large, reliable effect on the efficacy of visual masking in a single-target identification paradigm. In Experiments 1, 2, and 3, we demonstrated the basic effect and noted that...

Looking at object-substitution masking in depth and motion: Toward a...

Perception and Psychophysics;  April 1, 2006 ;     700+ words ......mask and the target are represented in two separate object tokens and the mask token interferes with the target token. Many visual masking effects (e.g., masking by pattern, illumination, and metacontrast) occur at the image level and reflect low-level processes...

Attentional mechanisms in visual signal detection: The effects of...

Perception and Psychophysics;  October 1, 2007 ;     700+ words ......by mechanisms of both kinds. Studies of the effects of attention on early visual processing have shown that attention and visual masking mechanisms are functionally interdependent: Attention reduces the effectiveness of some forms of masks (Enns & Di Lollo...

Masked priming of number judgments depends on prime validity and task

Memory & Cognition;  January 1, 2005 ;     700+ words ......target processing is undergoing an important shift. The original intent of making primes invisible to subjects, by combining visual masking and brief prime-target stimulus onset asynchronies (SOAs), was twofold. First, these "precautions" were thought to prevent...

Hair transplant technique advances

Chicago Sun-Times;  December 14, 1986 ;     366 words ......donor areas of the scalp with a surgical electric knife and are placed at angles between plug transplants. This serves as a visual masking to the dotlike plugs. Chambers is careful not to present the transplant solution to baldness as a panacea. Chambers advises...

There is good reason to suspect secret messages in terrorist tapes

Post-Tribune (IN);  November 2, 2001 ;     700+ words ......the masking phenomenon of the human auditory system to efficiently use bits available for faster transmission and storage. Visual masking, both spatial and frequency, works similarly to audio masking. Sensitivity to contrast and masking effect of edges in chrominance...

The Dallas Morning News Market Week column.

Dallas Morning News (Dallas, TX);  October 17, 2005 ;     700+ words ......expected growth drops markedly to 9.6 percent from 16 percent. If you're seeing extra growth from one sector, and it's masking performance in other industries, you might want to step back, Mr. McManus said. It makes sense to split off energy and look at the...

Task- and location-switching effects on visual attention

Perception and Psychophysics;  November 1, 2004 ;     700+ words ......the laboratory, the temporal distribution of visual attention has been studied most intensively using procedures such as visual masking and the rapid serial visual presentation (RSVP) technique. In these procedures, two or more individual stimuli are presented...

Phonology and orthography in reading aloud

Psychonomic Bulletin & Review;  June 1, 2007 ;     700+ words ......findings using the naming and semantic categorization tasks. Similarly, Perfetti, Bell, and Delaney (1988) - using a backward visual masking procedure-demonstrated a higher target word (e.g., phase) identification accuracy when the backward mask was homophonic...

Wake-up call: Real estate to return less than 10% next year, report...

Pensions & Investments;  October 14, 2002 ;     700+ words ......favorable combination. A lifeline Low interest rates have given a lifeline to the real estate markets, ``delaying distress, masking performance and propping up returns,'' as various respondents phrased it. Rates have gone about as low as they can go, but an unexpected...

Global underarm review: 2002 and beyond; an overview of contemporary...

Global Cosmetic Industry;  June 1, 2002 ;     700+ words ......a variety of natural plant extracts. Most underarm deodorant products act to eliminate the perception of odor, but the masking performance of the fragrance varies. Fragrance preferences and personal hygiene have a lot to do with performance in this area. An...

Top-down inhibition of search distractors in parallel visual search

Perception and Psychophysics;  November 1, 2007 ;     700+ words ......between probes presented at distractor vs. blank locations in the search condition) and that it cannot be attributed to visual masking (no RT difference between probes presented at stimulus vs. empty locations in the baseline condition). Note that Cepeda...