Related Experiment Video
Updated: Oct 13, 2025
08:17
Reducing State Anxiety Using Working Memory Maintenance
Published on: July 19, 2017
7.7K
Paradoxical somatic information processing for interoception and anxiety in alexithymia
Yuri Terasawa1,2, Kentaro Oba2,3, Yuki Motomura2,4
1Department of Psychology, Faculty of Letters, Keio University, Tokyo, Japan.
The European Journal of Neuroscience
|November 12, 2021
Summary
Individuals with alexithymia, difficulty identifying emotions, show altered brain connectivity. Their interoception network is less connected when focusing on bodily sensations but more connected when anxious, suggesting they misinterpret physical feelings as emotions.
Area of Science:
- Neuroscience
- Psychology
- Affective Science
Background:
- Alexithymia is characterized by difficulties in identifying and describing emotions.
- Understanding the neural basis of emotional experience is crucial for psychological research.
- Interoceptive processing plays a key role in emotional awareness.
Purpose of the Study:
- To investigate the relationship between interoceptive processing and alexithymia.
- To explore how emotional context influences interoceptive awareness in individuals with high alexithymia.
- To examine the neural mechanisms underlying emotion recognition difficulties in alexithymia.
Main Methods:
- Participants with varying levels of alexithymia underwent functional connectivity MRI.
- Experimental conditions were designed to induce emotional awareness using interoceptive information.
- Participants focused on interoception in an anxiety-provoking situation anticipating pain and rated their anxiety.
Main Results:
- High alexithymia individuals exhibited reduced functional connectivity in the interoception network (insula-somatosensory areas) when focusing on interoception.
- Conversely, they showed increased functional connectivity in these areas when focusing on anxiety about pain.
- This suggests a bias where bodily sensations are processed as emotions in alexithymia.
Conclusions:
- Alexithymia is associated with atypical functional connectivity within the interoception network.
- Individuals with alexithymia may misinterpret primitive bodily sensations as emotions due to altered processing.
- These findings highlight potential brain function pathologies contributing to emotional processing deficits and impaired emotional control in alexithymia.
More Related Videos
Related Concept Videos
01:18Anxiety: Overview
470
Anxiety is a common mental disorder featuring excessive worry, fear, and apprehension, significantly affecting daily life. People with anxiety disorders experience persistent and intense anxiety, interrupting their everyday functioning.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
470
01:28Social Anxiety Disorder
103
Social anxiety disorder, also known as social phobia, is characterized by an intense fear of social situations where one might face humiliation, rejection, embarrassment, or negative evaluation. This disorder leads individuals to avoid activities like casual conversations, public speaking, or seemingly simple tasks such as eating, signing documents, or swimming, in public settings. Its impact extends beyond discomfort, often significantly interfering with daily functioning and quality of life.
103
01:11Sensory Perception: Organization of the Somatosensory System
8.4K
The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the...
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the...
8.4K
01:22Autonomic Nervous System
10.1K
The autonomic nervous system (ANS) is a critical component of the peripheral nervous system, primarily responsible for regulating involuntary bodily functions and maintaining homeostasis. It functions in tandem with the central nervous system (CNS) to seamlessly coordinate various physiological processes without the need for conscious control.
The ANS comprises two main divisions: the sympathetic and parasympathetic divisions. These divisions function antagonistically to maintain a dynamic...
The ANS comprises two main divisions: the sympathetic and parasympathetic divisions. These divisions function antagonistically to maintain a dynamic...
10.1K
01:30Generalized Anxiety Disorder
249
Generalized Anxiety Disorder (GAD) is a chronic condition characterized by excessive and uncontrollable worry that persists for at least six months, significantly interfering with daily functioning. Unlike situational anxiety, which arises in response to specific stressors, GAD often occurs without a clear cause. Individuals may experience disproportionate worry about work, health, or relationships. For instance, a person might continuously fear poor health despite normal medical evaluations or...
249
01:27Panic Disorder
218
Panic disorder is an anxiety disorder characterized by recurrent and sudden minutes-long episodes of intense fear, known as panic attacks. These attacks may feel like heart attacks and often happen without warning or a specific cause. They can include symptoms such as rapid heart rate, shortness of breath, chest pain, trembling, sweating, dizziness, and a sense of helplessness. During a panic attack, individuals may feel as though they are experiencing a heart attack or are in a...
218