Results 51 to 60 of about 1,073 (164)
Allenylidene Phosphonium Ion: An Isoelectronic Phosphorus Analogue of [3]Cumulene
We report the first isolobal and isoelectronic incorporation of a phosphorus atom into a [3]cumulene. This trigonal planar phosphonium allenylidene demonstrates exceptional Lewis acidity via a π* acceptor orbital and exhibits unique reactivity through a reversible intramolecular dearomative [2 + 2] cycloaddition reaction.
Lucas C. Torres +8 more
wiley +1 more source
Visual working memory (VWM), the core process inherent to many advanced cognitive processes, deteriorates with age. Elderly individuals usually experience defects in the processing of VWM. The dorsolateral prefrontal cortex is a key structure for the top-
Meng Liu +8 more
doaj +1 more source
Attention as selection for action defended
Abstract Attention has become an important focal point of recent work in ethics and epistemology, yet philosophers continue to be noncommittal about what attention is. In this paper, I defend attention as selection for action in a weak form, namely that selection for action is sufficient for attention.
Wayne Wu
wiley +1 more source
Examining the lateralization of electrophysiological correlates of auditory awareness
Abstract The neurological basis for perceptual awareness remains unclear, and theories disagree as to whether sensory cortices per se generate awareness. Critically, neural activity in the sensory cortices is only a neural correlate of consciousness (NCC) if it closely matches the contents of perceptual awareness.
Billy Gerdfeldter +2 more
wiley +1 more source
Recent studies have demonstrated that face perception is influenced by emotional contextual information. However, because facial expressions are routinely decoded and understood during social communication, sociality should also be considered—that is, it
Mengsi Xu +4 more
doaj +1 more source
Target switch costs in visual search arise during the preparatory activation of target templates
Abstract Prior research on task switching has shown that the reconfiguration of stimulus–response mappings across trials is associated with behavioral switch costs. Here, we investigated the effects of switching representations of target‐defining features in visual search (attentional templates).
Anna Grubert, Ziyi Wang, Martin Eimer
wiley +1 more source
Abstract Efficiently selecting task‐relevant objects during visual search depends on foreknowledge of their defining characteristics, which are represented within attentional templates. These templates bias attentional processing toward template‐matching sensory signals and are assumed to become anticipatorily activated prior to search display onset ...
Gordon Dodwell +2 more
wiley +1 more source
Abstract When memorizing an integrated object such as a Kanizsa figure, the completion of parts into a coherent whole is attained by grouping processes which render a whole‐object representation in visual working memory (VWM). The present study measured event‐related potentials (ERPs) and oscillatory amplitudes to track these processes of encoding and ...
Siyi Chen +3 more
wiley +1 more source
Electrophysiological Correlates of Subitizing in Healthy Aging.
To understand the nature of age-related changes in enumeration abilities we measured two ERP responses -N2pc and CDA, associated respectively to attentive individuation and VWM- and posterior alpha band (8-15 Hz) event-related desynchronization (ERD ...
Silvia Pagano +4 more
doaj +1 more source
Attentional guidance by the contents of working memory and the N2PC component
Abstract The Biased Competition Model suggests that stimuli matching the contents of working memory increase the likelihood that memory-matching items will be attended. According to this account, the representations in working memory create an involuntary capture of attention toward memory-matching items in the visual field.
openaire +2 more sources

