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Related Experiment Video

Updated: May 12, 2026

Artificial Intelligence-Based System for Detecting Attention Levels in Students

Artificial Intelligence-Based System for Detecting Attention Levels in Students

Published on: December 15, 2023

Object-based attention without awareness.

Liam J Norman¹, Charles A Heywood, Robert W Kentridge

¹Durham University, United Kingdom. liam.norman@dur.ac.uk

Psychological Science

|April 11, 2013

Summary

This summary is machine-generated.

Object-based attention can occur without awareness, even when attention is guided by complex object properties. This dissociation demonstrates that object-based attention is not sufficient for conscious object awareness.

Keywords:

visual attention visual perception

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Area of Science:

Cognitive Neuroscience
Psychology
Visual Perception

Background:

Attention and awareness are often considered interconnected.
Some attention forms can process unseen stimuli, but it's unclear if this applies to complex selection bases beyond primitive properties like location.

Purpose of the Study:

To investigate whether attentional selection based on object properties can occur without conscious awareness of those objects.
To determine if object-based attention is sufficient for object awareness.

Main Methods:

Participants performed a cued-target-discrimination task with continuously masked object pairs, rendering them invisible.
Object-based attention was manipulated by cue and target appearing within the same or different objects.
A signal-detection task assessed awareness and detection of the objects.

Main Results:

Discrimination was faster when cue and target were within the same object compared to different objects at equal spatial separation.
Participants reported no awareness of the objects and failed to detect them in the signal-detection task.

Conclusions:

Attentional selection at the object level can occur independently of object awareness.
Object-based attention is not a sufficient condition for conscious object awareness.