Related Experiment Video
Updated: May 17, 2026
09:27
An Emerging Target Paradigm to Evoke Fast Visuomotor Responses on Human Upper Limb Muscles
Published on: August 25, 2020
Subconscious visual cues during movement execution allow correct online choice reactions
Christian Leukel1, Jesper Lundbye-Jensen, Mark Schram Christensen
1Department of Sport Science, University of Freiburg, Freiburg, Germany. christian.leukel@sport.uni-freiburg.de
Plos One
|October 11, 2012
Summary
Subconscious visual information can influence decision-making. Even without conscious perception, the brain can process visual cues to trigger motor reactions in choice reaction tasks.
Area of Science:
- Cognitive Neuroscience
- Human Perception
- Motor Control
Background:
- The central nervous system processes sensory information, including visual input, without conscious awareness.
- Subconscious processing is known to elicit motor responses.
Purpose of the Study:
- To investigate if non-consciously perceived visual information influences decision-making in a choice reaction task.
- To differentiate between conscious and subconscious visual processing effects on motor responses.
Main Methods:
- Two protocols were used: a Motor Reaction protocol and a Verbalization protocol.
- Participants performed a choice reaction task with visual cues presented at varying durations (20-160 ms).
- The Motor Reaction protocol assessed motor responses, while the Verbalization protocol assessed conscious perception.
Main Results:
- Significantly more correct responses were observed in the Motor Reaction protocol compared to the Verbalization protocol.
- This performance difference was prominent at very short display durations of the visual cue.
- Correct motor responses occurred even when participants could not consciously perceive the visual cue.
Conclusions:
- Humans can make decisions and execute motor responses based on visual information processed subconsciously.
- Conscious perception is not always necessary for effective decision-making in choice reaction tasks.
- Subconscious visual processing plays a role in guiding behavior and motor actions.
Related Concept Videos
01:15Subconsciousness and No Awareness
The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
01:13Nonconscious Mimicry
Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
01:29Non-Verbal Cues
Non-verbal communication extends beyond gestures and facial expressions to include vocal elements known as paralanguage. Paralanguage consists of non-verbal vocal cues such as pitch, loudness, speech rate, pauses, and non-verbal vocalizations like laughter, sighs, and moans. These elements not only accompany speech but also provide critical emotional and contextual information.The Role of Paralanguage in CommunicationParalanguage adds depth to spoken language by conveying emotions and...
01:24Muscle Coordination and Action
Muscle coordination is a complex and finely tuned process essential for smooth and purposeful movements like flexion, extension, adduction, abduction, and rotation. The human body orchestrates the actions of various muscles working in concert, each with a specific role. Four functional types describe how muscles work together: agonist, antagonist, synergist, and fixator.
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement.
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement.
01:28Major Somatic Sensory Pathways
Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the posterior columns...
01:24Implicit Memories
Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
One key aspect of implicit...
One key aspect of implicit...