Home » Archives by category » Psychology news (Page 672)

Early HIV treatment key to avoiding brain atrophy

While the human immunodeficiency virus (HIV) has largely dropped from news headlines since the 1990s, at the end of 2016 there were 36.7 million people living with the infection, and of those only 53 per cent had access to treatment. A new study unders…

Brain stimulation reduces suicidal thinking in people with hard-to-treat depression

A specific kind of brain stimulation is effective in reducing suicidal thinking in a significant portion of people with hard-to-treat depression, according to a new study. Forty per cent of people in the study reported that they no longer experienced s…

Researchers find the ‘brain switch’ for courage

Scientists have found a ‘switch’ that controls the fight-or-flight response in the brains of mice. The findings are relevant to humans living with PTSD.

Childhood communication enhances brain development, protecting against harmful behaviors

Children with greater parent communication in early adolescence have less harmful alcohol use and emotional eating in young adulthood.

Is your love life being hampered by an immune response?

When we note signs of illness in others, we unconsciously tend to avoid them. But does this defense mechanism persist in potentially romantic situations?

Scientists find fear, courage switches in brain

Researchers have identified two adjacent clusters of nerve cells in the brains of mice whose activation levels upon sighting a visual threat spell the difference between a timid response and a bold or even fierce one.

Can a photograph a day keep the doctor away?

Could posting one photo to the Internet every day improve your well-being? A new study attempts to find out, but, unsurprisingly, it’s complicated.

Researchers discover connection between circadian rhythm and aggression

A research team has discovered a circuit in the brains of mice connecting circadian rhythm to aggressive behavior. The discovery is particularly interesting to Alzheimer’s patients who experience increased aggression at night. The researchers have deve…

Organic printing inks may restore sight to blind people

A simple retinal prosthesis is under development. Fabricated using cheap and widely-available organic pigments used in printing inks and cosmetics, it consists of tiny pixels like a digital camera sensor on a nanometric scale. Researchers hope that it …

Scientists map key brain-to-spinal cord nerve connections for voluntary movement

Researchers trying to help people suffering from paralysis after a spinal cord injury or stroke mapped critical brain-to-spinal cord nerve connections that drive voluntary movement in forelimbs, a development that scientists say allows them to start lo…