Limbic resonance
Encyclopedia
Limbic resonance is the capacity for sharing deep emotional states arising from the limbic system
Limbic system
The limbic system is a set of brain structures including the hippocampus, amygdala, anterior thalamic nuclei, septum, limbic cortex and fornix, which seemingly support a variety of functions including emotion, behavior, long term memory, and olfaction. The term "limbic" comes from the Latin...

 of the brain
Brain
The brain is the center of the nervous system in all vertebrate and most invertebrate animals—only a few primitive invertebrates such as sponges, jellyfish, sea squirts and starfishes do not have one. It is located in the head, usually close to primary sensory apparatus such as vision, hearing,...

. These states include the dopamine
Dopamine
Dopamine is a catecholamine neurotransmitter present in a wide variety of animals, including both vertebrates and invertebrates. In the brain, this substituted phenethylamine functions as a neurotransmitter, activating the five known types of dopamine receptors—D1, D2, D3, D4, and D5—and their...

 circuit promoted feelings of empathic
Empathy
Empathy is the capacity to recognize and, to some extent, share feelings that are being experienced by another sapient or semi-sapient being. Someone may need to have a certain amount of empathy before they are able to feel compassion. The English word was coined in 1909 by E.B...

 harmony, and the norepinephrine
Norepinephrine
Norepinephrine is the US name for noradrenaline , a catecholamine with multiple roles including as a hormone and a neurotransmitter...

 circuit originated emotional states of fear, anxiety and anger. The concept was first advanced in the book A General Theory of Love
A General Theory of Love
A General Theory of Love is a book about the science of human emotions and biological psychiatry written by Thomas Lewis, Fari Amini and Richard Lannon, psychiatry professors at the University of California, San Francisco, and first published by Random House in 2000...

(2000). It refers to the capacity for empathy
Empathy
Empathy is the capacity to recognize and, to some extent, share feelings that are being experienced by another sapient or semi-sapient being. Someone may need to have a certain amount of empathy before they are able to feel compassion. The English word was coined in 1909 by E.B...

 and non-verbal connection that is present in animals, and that forms the basis of our social connections as well as the foundation for various modes of therapy and healing. According to the authors (Thomas Lewis, M.D, Fari Amini, M.D. and Richard Lannon, M.D.), professors of psychiatry at UCSF, our nervous system
Nervous system
The nervous system is an organ system containing a network of specialized cells called neurons that coordinate the actions of an animal and transmit signals between different parts of its body. In most animals the nervous system consists of two parts, central and peripheral. The central nervous...

s are not self-contained, but rather demonstrably attuned to those around us with whom we share a close connection. "Within the effulgence of their new brain, mammals developed a capacity we call 'limbic resonance' — a symphony of mutual exchange and internal adaptation whereby two mammals become attuned to each other's inner states."

This notion of limbic resonance builds on previous formulations and similar ideas. For example, the authors retell at length the notorious experiments of Harry Harlow
Harry Harlow
Harry Frederick Harlow was an American psychologist best known for his maternal-separation and social isolation experiments on rhesus monkeys, which demonstrated the importance of care-giving and companionship in social and cognitive development...

 establishing the importance of physical contact and affection in social and cognitive development of rhesus monkeys. They also make extensive use of subsequent research by Tiffany Field in mother/infant contact, Paul D. MacLean on the triune brain
Triune brain
The triune brain is a model of the evolution of the vertebrate forebrain and behavior proposed by the American physician and neuroscientist Paul D. MacLean. MacLean originally formulated his model in the 1960s and propounded it at length in his 1990 book The Triune Brain in Evolution...

 (reptilian, limbic, and neocortex), and the work of G.W. Kraemer.

Subsequent use of the term

Since the first publication of A General Theory of Love
A General Theory of Love
A General Theory of Love is a book about the science of human emotions and biological psychiatry written by Thomas Lewis, Fari Amini and Richard Lannon, psychiatry professors at the University of California, San Francisco, and first published by Random House in 2000...

in 2000, the term limbic resonance has gained popularity with subsequent writers and researchers. The term brings a higher degree of specificity to the ongoing discourse in psychological literature concerning the importance of empathy and relatedness. In "A handbook of Psychology" (2003) a clear path is traced from Winnicott 1965 identifying the concept of mother and child as a relational organism or dyad and goes on to examine the interrelation of social and emotional responding with neurological development and the role of the limbic system in regulating response to stress.

Limbic resonance is also referred to as "empathic resonance", as in the book Empathy in Mental Illness (2007), which establishes the centrality of empathy or lack thereof in a range of individual and social pathologies. The authors Farrow and Woodruff cite the work of Maclean, 1985, as establishing that "Empathy is perhaps the heart of mammalian development, limbic regulation and social organization", as well as research by Carr et al., 2003, who used fMRI to map brain activity during the observation and imitation of emotional facial expressions, concluding that "we understand the feelings of others via a mechanism of action representation that shapes emotional content and that our empathic resonance is grounded in the experience of our bodies in action and the emotions associated with specific bodily movements". Other studies cited examine the link between mirror neurons (activated during such mimicking activity) and the limbic system, such as Chartrand & Bargh, 1999: "Mirror neurone areas seem to monitor this interdependence, this intimacy, this sense of collective agency that comes out of social interactions and that is tightly linked to the ability to form empathic resonance."

Limbic resonance and limbic regulation are also referred to as "mood contagion" or "emotional contagion
Emotional contagion
Emotional contagion is the tendency to catch and feel emotions that are similar to and influenced by those of others. One view developed by John Cacioppo of the underlying mechanism is that it represents a tendency to automatically mimic and synchronize facial expressions, vocalizations, postures,...

" as in the work of Sigal Barsade and colleagues at the Yale School of Management.
In The Wise Heart, Buddhist teacher Jack Kornfield
Jack Kornfield
Jack Kornfield is a teacher in the vipassana movement of American Theravada Buddhism. He trained as a Buddhist monk in Thailand, Burma and India, including as a student of the Thai monk Ajahn Chah...

 echoes the musical metaphor of the original definition of "limbic resonance" offered by authors Lewis, Amini and Lannon of A General Theory of Love
A General Theory of Love
A General Theory of Love is a book about the science of human emotions and biological psychiatry written by Thomas Lewis, Fari Amini and Richard Lannon, psychiatry professors at the University of California, San Francisco, and first published by Random House in 2000...

, and correlates these findings of Western psychology with the tenets of Buddhism: "Each time we meet another human being and honor their dignity, we help those around us. Their hearts resonate with ours in exactly the same way the strings of an unplucked violin vibrate with the sounds of a violin played nearby. Western psychology has documented this phenomenon of 'mood contagion' or limbic resonance. If a person filled with panic or hatred walks into a room, we feel it immediately, and unless we are very mindful, that person's negative state will begin to overtake our own. When a joyfully expressive person walks into a room, we can feel that state as well."

In March 2010, citing A General Theory of Love
A General Theory of Love
A General Theory of Love is a book about the science of human emotions and biological psychiatry written by Thomas Lewis, Fari Amini and Richard Lannon, psychiatry professors at the University of California, San Francisco, and first published by Random House in 2000...

, Kevin Slavin referred to limbic resonance in considering the dynamics of Social television
Social television
Social Television is a general term for technology that supports communication and social interaction in either the context of watching television, or related to TV content. It also includes the study of television-related social behavior, devices and networks...

. Broadly, Slavin suggests that the laugh track
Laugh track
A laugh track is a separate soundtrack invented by Charles "Charley" Douglass, with the artificial sound of audience laughter, made to be inserted into television programming of comedy shows and sitcoms.The term "laugh track" does not apply to the genuine audience laughter on shows that shoot in...

evolved to provide the audience -- alone at home -- with a sense that others around them were laughing, and that limbic resonance explains the need for that laughing audience.
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