Attention

Attention

The ability to focus on certain stimuli while ignoring others, essential for processing sensory information.

Selective Attention

Focusing on one piece of information while ignoring others.

Sustained Attention

The ability to maintain focus over time (vigilance).

Divided Attention

The ability to multitask, shifting focus between multiple stimuli.

Overt Attention

Focusing on what you are looking at directly.

Covert Attention

Focusing on something without directly looking at it.

Limited Capacity Resource

The concept that attention is a finite resource, making it critical for processing information.

Bottleneck

Attention acts as a bottleneck in the processing of sensory information.

Eye Movements

A method to study visual attention by tracking where people fixate.

Reaction Time (RT) Experiments

Experiments measuring the time it takes to respond, indicating attention shifts.

Spatial Cuing Task

A task that measures attention shifts based on valid and invalid cues.

Pop-out Search

A visual search where a target stands out, leading to quick detection.

Conjunction Search

A search requiring a combination of features, becoming slower with more distractors.

Stroop Task

An experiment showing difficulty in ignoring conflicting information, affecting response times.

Flanker Task

A task where participants identify a target while ignoring surrounding distractors.

Singleton Attentional Capture Task

A task demonstrating how salient distractors can capture attention.

Change Blindness

The failure to notice changes in a visual scene, revealing attention limitations.

Mind-Wandering

A phenomenon where attention drifts away from the task, affecting performance.

Fusiform Face Area (FFA)

A brain area that responds specifically to faces.

Parahippocampal Place Area (PPA)

A brain area that responds to places or scenes.

Broadbent's Filter Theory

A theory suggesting filtering occurs before stimuli are analyzed for meaning.

Treisman's Attenuation Model

A modification of filter theory where unattended stimuli are weakened rather than completely filtered.

Late Selection

A theory proposing that all stimuli are processed for meaning before selection occurs.

The Cocktail Party Effect

The ability to focus on one conversation in a noisy environment, demonstrating selective attention.

Load Theory

A theory combining early and late selection, depending on perceptual load.

Inattentional Blindness

The phenomenon where unexpected stimuli are missed when attention is focused elsewhere.

Perceptual Capacity

The individual differences in the ability to process information, affecting attention and distraction.

Top-Down Goals

Attention guided by internal goals, such as searching for a friend in a crowd, though it doesn't fully control attention.

Bottom-Up Stimulus Characteristics

Attention influenced by external stimuli with notable physical properties, like bright signs or moving objects, which can capture attention involuntarily.

Biased Competition Theory

A theory suggesting attention is a competition between stimuli for neural representation, integrating both top-down and bottom-up processes.

Stimulus-Driven Attentional Capture

Attention is more likely captured by high-salience stimuli, such as objects that stand out due to color or movement.

Singleton Attentional Capture Task

A task that tests whether attention can be exclusively top-down; results showed salient colors can increase response times even when not relevant.

Theeuwes' Model

Attention selection occurs in two stages: an initial sweep focusing on the most salient item (bottom-up), followed by an evaluation to determine relevance.

Contingent Capture

Attention is task-contingent, meaning attention can be drawn to stimuli that match task requirements, rather than just their salience.

Top-Down vs Bottom-Up Debate

A discussion on whether attention is primarily guided by internal goals (top-down) or by the salience of stimuli (bottom-up).

Meaning and Personal Relevance in Attentional Capture

Attention is more likely to be captured by stimuli associated with danger, expertise, or personal relevance.

Perceptual Load Theory

A theory stating that higher perceptual load reduces the likelihood of distractions, both external and internal.

Mind-Wandering

A phenomenon where individuals drift away from tasks; higher perceptual load decreases the vividness of unrelated thoughts.

Cognitive Load

The burden on cognitive resources that tends to increase distractions, contrasting with perceptual load.

Inattentional Blindness

The failure to notice unexpected stimuli when attentional focus is elsewhere, worsened by higher perceptual load.

Bottom-Up Attention

An involuntary form of attention driven by external stimuli, also known as stimulus-driven attention.

Top-Down Attention

A voluntary form of attention that is controlled by personal goals, also known as goal-driven attention.

Neuroimaging and Cognitive Control

fMRI studies show activation in frontal-parietal regions during attentional control, particularly in the dorsolateral prefrontal cortex and anterior cingulate cortex.

Working Memory Capacity

Higher working memory correlates with less distraction and reduced mind-wandering during attention-demanding tasks.

Implications for Future Research

Further investigation is needed to understand how cognitive control mechanisms relate to mind-wandering.

Load Theory Key Findings

Cognitive load increases distractions while perceptual load reduces them, affecting attention in everyday scenarios.