Related Experiment Video
Updated: Sep 26, 2025
04:27
Using Facial Electromyography to Assess Facial Muscle Reactions to Experienced and Observed Affective Touch in Humans
Published on: March 15, 2019
11.3K
Bridging skin, brain, and behavior to understand pleasurable social touch
Leah J Elias1, Ishmail Abdus-Saboor1
1Neuroscience Graduate Group, University of Pennsylvania, Philadelphia, PA, USA; Zuckerman Mind Brain Behavior Institute and Department of Biological Sciences, Columbia University, New York, NY, USA.
Current Opinion in Neurobiology
|April 22, 2022
Summary
Social touch, or affiliative skin-to-skin contact, promotes well-being and calm. Understanding its neurobiology may reveal new treatments for anxiety and depression.
Area of Science:
- Neuroscience
- Psychology
- Human Physiology
Background:
- Social touch is vital for mental and physical health, providing comfort and calm.
- The COVID-19 pandemic highlighted the negative impacts of social isolation, increasing anxiety and depression.
- Understanding the neurobiology of social touch is crucial for public health.
Purpose of the Study:
- To explore the neurobiological mechanisms underlying the positive effects of social touch.
- To bridge the gap between peripheral sensory stimulation and central nervous system responses.
- To identify potential therapeutic targets for mental health disorders related to social touch.
Main Methods:
- Review of recent findings in mammalian social touch research.
- Emphasis on peripheral and central nervous system pathways.
- Integration of advances in mouse genetics, behavioral quantification, and brain imaging.
Main Results:
- Social touch rapidly evokes emotions like comfort and pleasure.
- Sensory neuron stimulation by touch can induce calm and analgesia.
- Advances in technology are enabling a more complete mechanistic picture of social touch.
Conclusions:
- Mechanistic understanding of social touch offers potential therapeutic targets for anxiety, depression, and trauma.
- Further research is needed to fully elucidate the neurobiology of social touch.
- Bridging the gap between skin stimulation and brain affect is a key challenge and opportunity.
Related Concept Videos
01:16Sensory Functions of the Skin
6.1K
The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
6.1K
01:28Causes of Social Behavior III: Biological and Environmental Influences
7
Social behavior is a complex phenomenon that arises from the interaction between biological predispositions and environmental influences. This intricate interplay shapes how individuals think, feel, and act in various social contexts. Understanding these mechanisms requires insights from psychology, neuroscience, genetics, and evolutionary theory.Environmental Influences on Social BehaviorEnvironmental factors, including temperature, odors, and visual stimuli, play a crucial role in shaping...
7
01:30Causes of Social Behavior I: Actions and Characteristics of Individuals
19
The actions and characteristics of others heavily influence the causes of social behaviors. Emotional expressions serve as powerful social signals, shaping behaviors and interactions in significant ways. Whether through direct observation or subconscious processing, individuals constantly adjust their responses based on the emotions and attributes of those around them.Emotional Cues and Social ResponsesFacial expressions, tone of voice, and body language provide crucial emotional cues that...
19
01:15Causes of Social Behavior II: Cognitive Processes
10
Cognitive processes affect social behavior by guiding how individuals perceive, interpret, and respond to social stimuli. These mental processes enable individuals to assess others' behaviors, attribute causes to their actions, and form expectations based on past experiences.Causes of Behavior and Social JudgmentsIndividuals determine the causes of others' behaviors by distinguishing between personal traits and external circumstances. For example, if a friend frequently arrives late, an...
10
01:33Somatosensation
38.9K
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
38.9K
01:24Facial Feedback Hypothesis
274
Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
274