Attentional bias refers to the tendency for people to pay more attention to certain types of information, usually emotionally-salient stimuli, while ignoring other information. It is a type of cognitive bias that affects how individuals process information and make decisions.
Attentional bias has been linked to various psychological disorders, such as anxiety and depression, which exhibit a heightened sensitivity to negative stimuli, like threats or criticism.
Attentional bias can manifest through multiple channels, including selective attention, attentional avoidance, and difficulty disengaging attention. For example, someone with an attentional bias for negative information may find it hard to shift their focus away from a distressing event. This bias can influence mental processes, emotions, and behavior, often exacerbating psychological symptoms.
Attentional Bias in Psychological Disorders
Depression has been linked to attentional biases. Depressed individuals tend to exhibit a bias towards emotionally negative information, specifically focusing more on sadness- or loss-related stimuli. Contrary to anxiety, where attention is often directed to external threats, depression-related attentional bias involves enhanced focus on one’s internal state and self-related negative emotions.
It is important to note that not all attention biases in depression are solely towards negative information. Research has shown that attention biases in individuals with eating disorders are not limited to the negative but also include a general bias towards faces. This finding indicates that attentional biases in depressed individuals may vary depending on the specific symptoms they experience.
Attentional Biases in Anxiety
In individuals with anxiety disorders, their attention often shows a bias toward threat-related stimuli over neutral stimuli and positive stimuli, causing them to perceive situations as more dangerous than they objectively are. This attentional bias can exacerbate anxiety symptoms and perpetuate the disorder.
Research has shown that attentional biases are present in individuals with generalized anxiety disorder (GAD), as they tend to focus more on external threat stimuli. These cognitive biases can lead those suffering from GAD to experience heightened levels of distress, making daily life and social interactions more challenging. Consequently, addressing attentional biases in the context of anxiety treatment is a crucial aspect of managing and alleviating anxiety symptoms.
Contribution to Addictive Behaviors
Attentional bias is particularly significant in the context of addictive behaviors, as it may contribute to the development and maintenance of substance use disorders. For instance, individuals with a tendency toward addictive behaviors such as smoking or alcohol use may exhibit an attentional bias toward cues related to their addiction. This can cause a strong craving response, which in turn reinforces the addictive behavior.
Moreover, attentional bias can affect the process of recovery from addiction. The connection between attentional biases and addictions shows how helping smokers who are trying to stop may require managing attentional processes.
In individuals seeking treatment for substance use disorders, the presence of attentional bias may make it difficult to focus on therapeutic interventions or relapse prevention strategies. As a result, individuals with stronger attentional biases may struggle more with achieving and maintaining sobriety.
Particular memories or items can trigger high desires for one’s preferred drug. Individuals who experience this are more likely to relapse and resume drug use because the impulses generated by the first cues can be too great to resist.
Individuals can overcome attentional bias in a variety of methods, one of which is stimuli-related therapy. This form of therapy would allow those battling with addiction and relapse to overcome their initial fear of a certain object.
In contrast to those who relapsed, more participants in a study by a team of researchers in the Netherlands who gave participants the chance to attend therapy sessions during their treatment for drug addiction remained drug-free.
Measures of Attentional Bias
There are two different forms of attentional bias that can be measured: within-subject bias and between-subject bias.
Within-subject bias occurs when there is a significant difference between an anxious individuals’ attention bias towards threat-related stimuli and attention bias towards neutral stimuli. . Between-subject bias, on the other hand, involves comparing the attention bias of different individuals towards threat-related and neutral stimuli.
Eye-Tracking Techniques
Eye-tracking techniques are commonly used in attentional bias research to monitor and record eye movements while participants view various stimuli. These techniques provide continuous data on where and for how long participants focus on specific aspects of the presented stimuli. Eye-tracking can reveal subtle differences in attention allocation, particularly towards threat cues in comparison to neutral stimulus.
In eye-tracking experiments, participants are usually seated in front of a screen displaying a series of visual images, and their eye movements are recorded using an eye-tracking device. This allows researchers to quantitatively assess attentional bias by comparing fixation durations and the number of fixations between different types of stimuli.
Reaction Time-Based Assessments
Another common method for measuring attentional bias is using reaction time-based assessments. A widely used task for such assessments is the dot-probe task.
In this task, participants are presented with pairs of stimuli: one threatening (or relevant to the individual) and one neutral. Following the brief presentation of these stimuli, a dot appears in the location of one of the stimuli, and participants are asked to respond to it as quickly as possible.
The underlying principle of the dot-probe task is that participants will respond faster to the dot when it appears in the location of the attended (threatening) stimulus. By calculating the difference in reaction times between the threatening and neutral stimuli, researchers can obtain an index of attentional bias. A positive index indicates an attentional bias towards threat cues, while a negative index suggests attentional avoidance.
Another reaction time-based assessment is the Stroop task. In this test, participants are presented with a list of words and asked to name the color of the ink in which each word is printed, ignoring the meaning of the word itself. The words can be threat-related or neutral, and the time taken to name the ink color is recorded. Longer reaction times for threat-related words compared to neutral words indicate an attentional bias.
Experimental tasks such as the dot-probe task and Stroop test are widely used because they are relatively easy to administer, provide objective measurements, and can be adapted to specific research questions. However, it is important to note that the reliability of these measures can be influenced by factors such as individual differences and task parameters.
Modifying Attentional Bias
Attentional bias retraining is a technique used to modify attentional biases towards or away from particular stimuli. This process often involves training individuals to redirect their attention away from threatening or negative information towards neutral or positive information. Numerous studies have shown that attentional bias retraining can be effective in reducing symptoms of anxiety and other psychopathological disorders.
For instance, a 2016 study from the psyhologists Colin MacLeod and Ben Grafton found that individuals with high levels of anxiety demonstrated a significant reduction in their attentional biases towards threat following an attentional bias modification intervention.
The intervention included computer-based tasks that trained participants to focus on neutral stimuli rather than threatening ones. This intervention was found to effectively modify attentional biases and reduce anxiety levels in the participants.
In clinical psychology, attention bias modification (ABM) is often applied as a debiasing treatment for various disorders, such as anxiety and depression. A 2014 meta-analysis of studies investigating the efficacy of ABM procedures found that these interventions can indeed be effective in reducing symptoms of psychopathology.
Some examples of ABM interventions include:
- Computerized tasks: Participants complete tasks on a computer that train their attention away from threatening stimuli and towards neutral ones.
- Cognitive rehabilitation: This may involve training individuals to develop new cognitive strategies that help them redirect their attention away from negative information, thereby modifying their attentional bias.
- Virtual reality: A relatively new approach, virtual reality-based interventions may help individuals interact with threat-inducing situations in a controlled environment, enabling them to practice redirecting their attention in a more immersive setting.
References:
- Baron, Jonathan (2008). Thinking and Deciding. Cambridge University Press. ISBN 978-1-139-46602-8
Deckers, Lambert (2018). Motivation (5th ed.). New York: Routledge. ISBN 9781351713887 - Field M, Cox WM. Attentional bias in addictive behaviors: a review of its development, causes, and consequences. Drug Alcohol Depend. 2008;97(1-2):1-20. doi:10.1016/j.drugalcdep.2008.03.030
- Harrison A, Sullivan S, Tchanturia K, Treasure J. Emotional functioning in eating disorders: attentional bias, emotion recognition and emotion regulation. Psychological Medicine. 2010;40(11):1887-1897. doi:10.1017/S0033291710000036
- Ishii, L., Carey, J., Byrne, P., Zee, D.S. and Ishii, M. (2009), Measuring attentional bias to peripheral facial deformities. The Laryngoscope, 119: 459-465
- MacLeod C, Grafton B. Anxiety-linked attentional bias and its modification: Illustrating the importance of distinguishing processes and procedures in experimental psychopathology research. Behav Res Ther. 2016;86:68-86. doi:10.1016/j.brat.2016.07.005
- Marissen, M. A. E., Franken, I. H. A., Waters, A. J., Blanken, P., van den Brink, W., & Hendriks, V. M. (2006). Attentional bias predicts heroin relapse following treatment. Addiction, 101(9), 1306–1312.
- McNally RJ. Attentional bias for threat: Crisis or opportunity? Clin Psychol Rev. 2019; 69:4-13. doi:10.1016/j.cpr.2018.05.005
- Mogg, K., Bradley, B.P. Attentional Bias in Generalized Anxiety Disorder Versus Depressive Disorder. Cogn Ther Res 29, 29–45 (2005)
- Mogoaşe, C., David, D. and Koster, E.H.W. (2014), Clinical Efficacy of Attentional Bias Modification Procedures: An Updated Meta-Analysis. J. Clin. Psychol., 70: 1133-1157.
- Waechter, S., Nelson, A.L., Wright, C. et al. Measuring Attentional Bias to Threat: Reliability of Dot Probe and Eye Movement Indices. Cogn Ther Res 38, 313–333 (2014)
- Wilcockson TDW, Pothos EM. Measuring inhibitory processes for alcohol-related attentional biases: introducing a novel attentional bias measure. Addict Behav. 2015;44:88-93. doi:10.1016/j.addbeh.2014.12.015