Psychology & Psychiatry

Botox influences the control of emotions in the brain

The bacterial toxin botulinum toxin (BTX)—colloquially known as Botox—is probably known to most people as a remedy for wrinkles. But botulinum toxin can do even more: if it is injected into the forehead, for example, ...

Neuroscience

Sudden stress shifts human brain into survival mode

(Medical Xpress) -- In threatening situations, the brain adapts within seconds to prepare for an appropriate response. Some regions are temporarily suppressed. Others become more active and form temporarily alliances for ...

Neuroscience

Negative feedback stabilizes memories

(Medical Xpress)—Memories may be maintained in the brain through a mechanism familiar to any engineer—negative and positive feedback loops, according to researchers Sukbin Lim and Mark Goldman at the UC Davis Center for ...

Psychology & Psychiatry

A clever way to detect narcissism

A team of psychologists at the University of Helsinki, working with a colleague from Millsaps College, has discovered, via experimentation, a clever, new way to detect narcissism in a person. In their study, reported in the ...

Neuroscience

Dopamine control of prolactin secretion

In women, a major role of prolactin is to initiate and sustain pregnancy and lactation. During pregnancy, prolactin secretion from the pituitary gland is important for pregnancy maintenance and prolactin levels are correlated ...

Neuroscience

Holding information in mind may mean storing it among synapses

Between the time you read the Wi-Fi password off the café's menu board and the time you can get back to your laptop to enter it, you have to hold it in mind. If you've ever wondered how your brain does that, you are asking ...

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