A5041888124- Neural and Behavioral Psychology Studies
- Visual perception and processing mechanisms
- Decision-Making and Behavioral Economics
- Behavioral Health and Interventions
- Neural dynamics and brain function
- Human-Automation Interaction and Safety
- Cognitive Abilities and Testing
- Stress Responses and Cortisol
- Online Learning and Analytics
- Experimental Behavioral Economics Studies
- EEG and Brain-Computer Interfaces
- Gaze Tracking and Assistive Technology
Ghent University
2021-2025
Liverpool John Moores University
2025
University College London
2016-2023
Many theories on cognitive effort start from the assumption that can be expended at will, and flexibly up- or down-regulated depending expected task demand rewards. However, while regulation has been investigated across a wide range of incentive conditions, few cost itself. Across four experiments, we studied effects reward expectancy difficulty expenditure in perceptual decision-making (random-dot-motion) control (colour-naming Stroop), within each comparted cues between short (cueing next...
ABSTRACT Pupil size is a well‐established marker of cognitive effort, with greater efforts leading to larger pupils. This particularly true for pupil during task performance, whereas findings on anticipatory effort triggered by cue stimulus are less consistent. For example, recent report Frömer et al. found that in cued‐Stroop task, behavioral performance and electrophysiological markers preparatory allocation were modulated cued reward ‘efficacy’ (the degree which rewards depended good...
The N2pc is widely employed as an electrophysiological marker of attention allocation. This interpretation was largely driven by the observation elicited isolated relevant target object, which reported Experiment 2 in Eimer (1996). All subsequent refined interpretations had to take this crucial finding into account. Despite its central role for neurocognitive research, there have been no direct replications and only few conceptual seminal work. Within context #EEGManyLabs, international...
Limited capacity for visual perception results in various "inattentional blindness" phenomena across a wide variety of manipulations that load perception. Here, we propose these are mediated by an underlying generalized perception, which also underlies subitizing: the ability to enumerate limited number items parallel from brief exposure. We tested this proposal examining whether individual differences reveal common intraindividual variance between measures as well subitizing capacity....
Task-irrelevant stimuli often capture our attention despite best efforts to ignore them.It has been noted that tasks involving perceptually complex displays can lead reduced interference from distractors.The mechanism behind this effect is debated, with some accounts emphasising the 'perceptual load' of themselves, and others role proactive control.Here, in three experiments, we investigated roles perceptual load, control, reward motivation determining distractor interference.Participants...
Many theories on cognitive effort start from the assumption that can be expended at will, and flexibly up- or down-regulated depending expected task demand rewards. However, while regulation has been investigated across a wide range of incentive conditions, few cost itself. Across four experiments, we studied effects reward expectancy difficulty expenditure in perceptual decision-making (random-dot-motion) control (colour-naming Stroop), within each comparted cues between short (cueing next...
Abstract Highly-automated technologies are increasingly incorporated into existing systems, for instance in advanced car models. Although highly automated modes permit non-driving activities (e.g. internet browsing), drivers expected to reassume control upon a ‘take over’ signal from the automation. To assess person’s readiness takeover, non-invasive eye tracking can indicate their attentive state based on properties of gaze. Perceptual load is well-established determinant attention and...
Attention is limited, both in processing capacity (leading to phenomena of "inattentional blindness") and the for selective focus distraction). Load theory (e.g., Lavie, 1995) accounts limitations by proposing that perceptual has limited but proceeds automatically parallel on all stimuli within capacity. Here we tested these claims applying load phenomenon "subitizing": detection individuation a number items, established enumeration research. We predicted distractor interference will be...
Current theories propose that mental effort is invested only when the anticipated benefits, such as rewards, outweigh associated costs, like task difficulty. Yet, it remains unclear whether this motivational and mitigating aspect of reward processing reflected in evaluation reward/difficulty cues such, to what extent depends on experience. In a pre-registered experiment (N=84), we used affect misattribution procedure (AMP) gauge affective evaluations nonword predicting difficulty levels....
All search tasks are not created equal. The difficulty of varies considerably with the perceptual load task (Lavie & Cox, 1997; Roper et al., 2013). neural correlates have typically been examined that require participants to maintain central fixation. Recently, however, there has growing interest in investigating attention more naturalistic scenarios, such as free viewing, where gaze metrics and responses measured simultaneously while explore a display their eyes (e.g., Kamienkowski 2012)....
We used the load theory framework to test hypothesis that an individual's 'subitizing' range (the number of items whose estimate can be made rapidly without serial counting) measure visual perception capacity. Previous findings loading perceptual capacity results in reduced detection ability (Carmel et al. 2011, Macdonald & Lavie, 2008, Raveh 2014) led us predict a lower subitizing would associated with abilities. tested this prediction two experiments assessing individual differences and...
The phenomenon of subitizing (the rapid detection and individuation a small number items in parallel, contrast to the serial set-size slope for counting larger numbers) has been proposed reflect parallel visual perception process with limited capacity. A growing body studies related attention, demonstrating shared capacity between various attention tasks, such as object tracking (Chesney & Haladjian, 2011); feature versus conjunction target discrimination (Vetter et al. 2008); attentional...