This review focuses on covert attention and how it alters early vision. I explain why attention
is considered a selective process, the constructs of covert attention, spatial endogenous and …

Highlights•Covert attention improves sensory processing in many visual tasks.•Covert
attention also alters the appearance of visual information.•Many spatial and temporal …

Both physiological and behavioral studies have suggested that stimulus–driven neural
activity in the sensory pathways can be modulated in amplitude during selective attention …

Does attention alter appearance? This critical issue, debated for over a century, remains
unsettled. From psychophysical evidence that covert attention affects early vision—it …

Summary In Shakespeare's Henry IV Part 1, the Scottish rebel, the Earl of Douglas, engages
in a visual search task. He is searching for King Henry in a field full of soldiers who are not …

The question of whether attention makes sensory impressions appear more intense has
been a matter of debate for over a century. Recent psychophysical studies have reported …

Voluntary (endogenous, sustained) covert spatial attention selects relevant sensory
information for prioritized processing. The behavioral and neural consequences of such …

The effect of attention on the phenomenal appearance of objects was investigated in the
domains of color (hue), location, line orientation, and spatial frequency. Observers indicated …

This chapter focuses on the effect of covert spatial attention on contrast sensitivity, a basic
visual dimension where the best mechanistic understanding of attention has been achieved …

This article explores the idea that Core Affect provides the emotional quality to any
conscious state. Core Affect is the neurophysiological state always accessible as simply …