Related Experiment Video
Updated: Feb 12, 2026
14:38
Creating Objects and Object Categories for Studying Perception and Perceptual Learning
Published on: November 2, 2012
12.3K
The role of experience-based perceptual learning in the face inversion effect
Ciro Civile1, Sukhvinder S Obhi2, I P L McLaren1
1School of Psychology, College of Life and Environmental Sciences, University of Exeter, UK.
Vision Research
|April 3, 2018
Summary
This study shows that transcranial direct current stimulation (tDCS) can disrupt established perceptual learning in face recognition. Anodal tDCS applied to Fp3 reduced the face inversion effect, impairing upright face recognition.
Area of Science:
- Cognitive Neuroscience
- Perceptual Psychology
Background:
- Perceptual learning enhances stimulus discrimination through experience.
- This learning is linked to the face inversion effect, where upright faces are recognized better than inverted ones.
- Previous work demonstrated that transcranial direct current stimulation (tDCS) can disrupt perceptual learning and its associated inversion effect in checkerboard stimuli.
Purpose of the Study:
- To investigate if anodal tDCS applied to Fp3 disrupts the established face inversion effect.
- To determine if tDCS can affect perceptual learning that has already occurred for highly familiar stimuli like faces.
Main Methods:
- Anodal tDCS was applied to the Fp3 region during an old/new recognition task.
- Participants recognized upright and inverted faces under stimulation or control conditions.
Main Results:
- Anodal tDCS significantly reduced the face inversion effect.
- Stimulation led to decreased recognition performance for upright faces.
- This is the first evidence that tDCS can impact already-developed perceptual learning in face recognition.
Conclusions:
- Perceptual learning plays a crucial role in face recognition and the face inversion effect.
- tDCS can modulate established perceptual learning, offering insights into its mechanisms.
- Findings support the role of perceptual learning in face recognition and suggest tDCS as a tool to study it.
More Related Videos
Related Concept Videos
01:21Role-Based Identity
220
Role-based identities are central to understanding how individuals navigate social environments by adopting distinct self-conceptions aligned with various societal roles. These identities are not fixed traits but are constructed through personal actions and the social feedback individuals receive in context-specific interactions. Each social role, such as student, teacher, or friend, carries a set of expectations and norms that influence how people think, feel, and behave within that...
220
01:12Perceptual Constancy
1.5K
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
1.5K
01:29Inverse Trigonometric Functions
307
Inverse trigonometric functions are fundamental mathematical tools that reverse the actions of standard trigonometric functions. While trigonometric functions map angles to ratios, inverse trigonometric functions perform the opposite operation by mapping a ratio back to its corresponding angle. These functions are essential in various applications, particularly in determining angles when given specific distances, such as calculating elevation angles in navigation and engineering.For a function...
307
03:20The Stanford Prison Experiment
24.8K
The famous and controversial Stanford Prison Experiment, conducted by social psychologist Philip Zimbardo and his colleagues at Stanford University, demonstrated the power of social roles, social norms, and scripts.
24.8K
01:25Inverse Hyperbolic Functions and Their Derivatives
81
The shape of a suspension bridge cable hanging under its own weight is described by a catenary curve, which is modeled using the hyperbolic cosine function. This mathematical model accurately captures the balance between gravity and tension acting along the cable. When a particular vertical position on the cable is known, the corresponding horizontal position can be determined using the inverse hyperbolic cosine function, allowing for a detailed analysis of the cable's geometry.Inverse...
81
01:30Derivatives of Inverse Trigonometric Functions
435
A ship tracking an approaching aircraft relies on geometric measurements to find out the aircraft’s position relative to the observer. By measuring the slant distance to the aircraft and the angle of elevation, the horizontal and vertical components of the distance can be obtained using trigonometric relationships. This geometric approach provides a basis for analyzing how the observed angle changes as the aircraft moves closer to the ship.To examine the mathematical behavior of the angle...
435