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The love hormone? Oxytocin and emotion Behavioral effects Psychiatric therapy Uses Risks Oxytocin is a hormone and a neurotransmitter that is involved in childbirth and breast-feeding. Oxytocin and emotion. Behavioral effects. Psychiatric therapy. The mice that were missing their oxytocin receptors didn't appear to remember the aggressive mice and show any fear.
Conversely, when mice with increased numbers of oxytocin receptors were reintroduced to the aggressive mice, they showed an intense fear reaction and avoided the aggressive mice. Again, the three groups of mice were exposed to the stressful experience of social defeat in the cages of other more aggressive mice. This time, six hours after the social stress, the mice were put in a box in which they received a brief electric shock, which startles them but is not painful.
Then 24 hours later, the mice were returned to the same box but did not receive a shock. The mice missing their oxytocin receptors did not show any enhanced fear when they re-entered the box in which they received the shock. The second group, which had extra oxytocin receptors showed much greater fear in the box.
The third control group exhibited an average fear response. Materials provided by Northwestern University. Note: Content may be edited for style and length. Science News. Story Source: Materials provided by Northwestern University. Fear-enhancing effects of septal oxytocin receptors. Tell your doctor about all your current medicines and any medicine you start or stop using. Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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