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A broken heart (also known as a heartbreak or heartache) is a common metaphor for the intense emotional pain or suffering one feels after losing a loved one, whether through death, divorce, breakup, separation, betrayal, or romantic rejection.
Heartbreak is usually associated with losing a family member or partner, though losing a parent, sibling, child, pet, lover or close friend can all cause heartaches and it is frequently experienced during grief and bereavement. The phrase refers to the emotional pain and physical pain one may feel in the chest as a result of an emotional trauma of loss. Although breaking your heart ordinarily does not imply any physical defect in the heart, there is a condition known as broken heart syndrome, where a traumatising incident triggers the brain to distribute chemicals that weaken heart tissue.
Research has shown that a broken heart hurts in the same way as pangs of intense physical pain. A 2011 study demonstrated that the same regions of the brain that become active in response to painful sensory experiences are activated during intense experiences of social rejection, or social loss in general. Social psychologist Ethan Kross from University of Michigan, who was heavily involved in the study, was quoted saying, "These results give new meaning to the idea that social rejection hurts". The research implicates the secondary somatosensory cortex and the dorsal posterior insula. Psychologists Geoff MacDonald of the University of Queensland and Mark Leary of Wake Forest University had previously in 2005 proposed the evolution of common mechanisms for both physical and emotional pain responses, and noted that multiple languages and cultures use terms like "hurt", "heartbreak", "hurt heart" or "ripped out my heart" to describe responses to social exclusion and argue that such expressions are "more than just a metaphor".
The neurological process involved in the perception of heartache is not known, but is thought to involve the anterior cingulate cortex of the brain, which during stress may overstimulate the vagus nerve causing pain, nausea or muscle tightness in the chest. Research by Naomi Eisenberger and Matthew Lieberman of the University of California from 2008 showed that rejection is associated with activation of the dorsal anterior cingulate cortex and right-ventral pre-frontal cortex, areas established as being involved in processing of pain (including pain experienced in others through empathy). The same researchers mention effect of social stressors on the heart, and personality on perception of pain.
Researchers have found that the amount of stress is related inversely to the amount of breakup distress. This is because greater distress is felt in a shorter amount of time since the breakup. This is closely related to the perception of pain by how an individual can choose to feel greater distress after a breakup or look at the breakup in a positive way, which decreases their distress, but does not usually happen. Studies show that the most helpful way to get over a broken heart is time and a new partner. Most people look for a desirable new partner to help regulate their daily activities and mood. This is also related to the perception of pain; the individual is unable to handle their pain so they want someone else to make them feel better.
Factors like romantic breakups and losses following deaths can lead to bereavement symptoms, which correlate to the feeling of being "heartbroken". Some symptoms that come with bereavement include insomnia and intrinsic thoughts, broken heart syndrome and immune system dysfunctions.
Sleep disturbance is among the most frequent symptoms reported that is related to bereavement. About 43% of bereaved people have reported that they are unable to sleep as easily as they used to. A study within college students shows that bereaved students versus non bereaved students have greater levels of insomnia that are related to thinking and dreaming about the loss. High levels of cortisol have also been contributed to a longer REM sleep and shorter delta wave activity that relates to stage three and four of deep sleep.
Intrusive thoughts and trying to control the thought are associated with insomnia. Insomnia has been provoked by unpleasant images which have been related more to intimate relationships. Intrusive thoughts are continuous, uncontrollable, and distressing. Some believe that intrusive thoughts occur because of unrealistic beliefs some people have of being reconciled when they go through heartbreak. The individual's way of thinking has shifted because of this cognitive mechanism of change. Much research has found that intrusive thoughts are like the rebound effect, in which if you are told to not think of a white bear, you end up only thinking about a white bear.
Broken heart syndrome
In many legends and fictional tales, characters die after suffering a devastating loss. But even in reality people die from what appears to be a broken heart. Broken heart syndrome is commonly described as a physical pain in the heart or chest area, which is due to the emotional stress caused by a traumatic breakup or the death of a loved one.
Broken heart syndrome mimics symptoms of a heart attack, but it is clinically different from a heart attack because the patients have few risk factors for heart disease and were previously healthy prior to the heart muscles weakening. Some echocardiograms expressed how the left ventricle, of people with the broken heart syndrome, was contracting normally but the middle and upper sides of the heart muscle had weaker contractions due to inverted T waves and longer Q-T intervals that are associated with stress. Magnetic resonance images suggested that the recovery rates for those suffering from broken heart syndrome are faster than those who had heart attacks and complete recovery to the heart is achieved within two months.
Endocrine and immune dysfunction
Physiological and biochemical changes that contribute to higher physical illnesses and heart diseases have been found in individuals that have high levels of anxiety and depression. Some bereaved individuals who have divorced have compromised immune systems because of inflammatory cytokines followed by a state of depression.
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