منابع مشابه
Transient covert attention does alter appearance: a reply to Schneider (2006).
We recently demonstrated that transient covert attention increases the apparent contrast of a stimulus (Carrasco, Ling, & Read, 2004). Schneider (2006) proposes that the observed increase in apparent contrast is largely due to sensory interactions occurring between the precue a nd stimulus,rather than to attention. Specifically, hereports that cuing effects only occur at contrasts ne ar detecti...
متن کاملAttention alters appearance
information than it can process effectively. The high energy cost of neuronal activity involved in cortical computation severely limits our capacity to process this information1. Visual attention serves as a mediating mechanism, enabling us to selectively grant priority of processing to certain aspects of the visual scene. One means of granting priority is to direct one’s gaze towards the relev...
متن کاملDoes Muscle Fatigue Alter EEG Bands of Brain Hemispheres?
Background: Muscle fatigue has been known to influence brain activity, but very little is known about how cortical centers respond to muscle fatigue.Objective: This study was conducted to investigate the effects of muscle contraction and fatigue induced by two different percents of maximal voluntary contraction (MVC) on Electroencephalography (EEG) signals.Material and Methods: In t...
متن کاملVoluntary attention enhances contrast appearance.
Voluntary (endogenous, sustained) covert spatial attention selects relevant sensory information for prioritized processing. The behavioral and neural consequences of such selection have been extensively documented, but its phenomenology has received little empirical investigation. We asked whether voluntary attention affects the subjective appearance of contrast--a fundamental dimension of visu...
متن کاملPrism adaptation does not alter object-based attention in healthy participants
Hemispatial neglect ('neglect') is a disabling condition that can follow damage to the right side of the brain, in which patients show difficulty in responding to or orienting towards objects and events that occur on the left side of space. Symptoms of neglect can manifest in both space- and object-based frames of reference. Although patients can show a combination of these two forms of neglect...
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ژورنال
عنوان ژورنال: Perception & Psychophysics
سال: 2006
ISSN: 0031-5117,1532-5962
DOI: 10.3758/bf03193703