Oxytocin makes love blind?

Can thinking wonderful thoughts about the one you love, make you less likely to find a new partner? A new study says so. The study involving 113 people in long term relationships were asked to view pictures of members of the opposite sex at which time they were asked to rate their attractiveness. Half of the group were then asked to write an essay professing their love for their significant other. The other half wrote about the happiest time in their lives. Those that wrote about their love for their significant other ruled out the most attractive people in photos when shown during the viewing portion of the study. The study respondents rejected the photos of the most attractive people said Dr. Jon Maner, a psychologist from Florida State University and leader the study. A current romantic perception of your partner may short circuit attraction to others Maner purports. Hence, the long held quote, “love truly may be blind”. The findings published in the journal Evolution and Human Behavior may suggest that our oxytocin production is why as humans may commit to a long term relationship with one person.

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Oxytocin may mediate the benefits of positive social interaction and emotions

During breastfeeding or suckling, maternal oxytocin levels are raised by somatosensory stimulation. Oxytocin may, however, also be released by nonnoxious stimuli such as touch, warm temperature etc. in plasma and in cerebrospinal fluid. Consequently, oxytocin may be involved in physiological and behavioral effects induced by social interaction in a more general context. In both male and female rats oxytocin exerts potent physiological antistress effects. If daily oxytocin injections are repeated over a 5-day period, blood pressure is decreased by 10-20 mmHg, the withdrawal latency to heat stimuli is prolonged, cortisol levels are decreased and insulin and cholecystokinin levels are increased. These effects last from 1 to several weeks after the last injection. After repeated oxytocin treatment weight gain may be promoted and the healing rate of wounds increased. Most behavioral and physiological effects induced by oxytocin can be blocked by oxytocin antagonists. In contrast, the antistress effects can not, suggesting that unidentified oxytocin receptors may exist. The prolonged latency in the tail-flick test can be temporarily reversed by administration of naloxone, suggesting that endogenous opioid activity has been increased by the oxytocin injections. In contrast, the long-term lowering of blood pressure and of cortisol levels as well as the sedative effects of oxytocin have been found to be related to an increased activity of central alpha 2-adrenoceptors. Positive social interactions have been related to health-promoting effects. Oxytocin released in response to social stimuli may be part of a neuroendocrine substrate which underlies the benefits of positive social experiences. Such processes may in addition explain the health-promoting effects of certain alternative therapies. Because of the special properties of oxytocin, including the fact that it can become conditioned to psychological state or imagery, oxytocin may also mediate the benefits attributed to therapies such as hypnosis or meditation.

Uvnas-Moberg K
Department of Physiology and Pharmacology,
Karolinska Institute,
Stockholm, Sweden.
kerstin.uvnas-moberg@fyka.ki.se
Psychoneuroendocrinology 1998 Nov; 23(8):819-35

Oxytocin is an FDA controlled substance!

Click here to read about a sublingual Homeopatic formulation designed to enable the body to release and Accelerate its own Natural Oxytocin.

Click here to comment this article

Tags: Oxytocin, Oxytocin+love+trust+bonding, Oxytocin+accalaretion