Home » Archives by category » Psychology news (Page 949)

Poor sleep health could contribute to inflammatory disease

A new meta-analysis in Biological Psychiatry reports that sleep disturbances and long sleep duration are associated with increases in markers of inflammation.

Marijuana use dampens brain’s response to reward over time, study finds

Most people would get a little ‘rush’ out of the idea that they’re about to win some money. In fact, if you could look into their brain at that very moment, you’d see activity in the part of the brain that responds to rewards. But for marijuana users, …

A sense of direction in the brain: Seeing the inner compass

Head direction cells in rodents are directly connected with other neuronal structures used in navigation, most importantly the ‘grid cell area,’ report investigators.

Artificial intelligence may aid in Alzheimer’s diagnosis

Machine learning is a type of artificial intelligence that allows computer programs to learn when exposed to new data without being programmed. Now, researchers have coupled machine learning methods with a special MRI technique that measures the perfus…

Smoking cannabis with tobacco increases risk of dependence

A recent large-scale survey investigating cannabis use in 18 countries finds that mixing it with tobacco lessens an individuals motivation to quit.

New study examines Freud’s theory of hysteria

New research from King’s College London has studied the controversial Freudian theory that Hysteria, a disorder resulting in severe neurological symptoms such as paralysis or seizures, arises in…

No association found between contrast agents used for MRIs and nervous system disorder

A new study was conducted to assess the association between gadolinium exposure and parkinsonism, a degenerative disorder of the central nervous system characterized by tremor and impaired muscular coordination.

Effect of palliative care-led meetings for families of patients with chronic critical illness

Among families of patients with chronic critical illness, the use of palliative care-led informational and emotional support meetings compared with usual care did not reduce anxiety or depression symptoms, according to a study.

Changes in brain networks may help youth adapt to childhood adversity

A new study reports a neural signature of emotional adaptation that could help researchers understand how the brain adapts to childhood adversity and predict which kids may be vulnerable to developing later psychopathology.

One small step for babies, one giant leap for humankind

Even before they stand up, infants have a rough idea of how to walk; they just need some time to lay down the right neural wiring. Understanding how babies take their first steps can also help us to improve the rehabilitation of patients recovering fro…