Alzheimer's disease & dementia

Inflammatory changes in the brain twenty years before Alzheimer onset

Roughly twenty years before the first symptoms of Alzheimer's disease appear, inflammatory changes in the brain can be seen, according to a new study from Karolinska Institutet published in the medical scientific journal ...

Psychology & Psychiatry

Sleep deprivation increases serotonin 2a receptor response in brain

The serotonin 2A (5-HT2A) receptor is widely distributed in the brain and plays a critical role in perception, cognition and psychosis. It is also responsible for the psychedelic effects of drugs, such as psilocybin (hallucinogenic ...

Psychology & Psychiatry

Brain changes during orgasmic meditation, study finds

In a first-ever study, orgasmic meditation, a unique spiritual practice that uses stimulation of a woman's clitoris as its focus, has been found to produce a distinctive pattern of brain function, according to a study published ...

Neuroscience

Better memory in old age linked with neural compensation

A new study by neuroscientists in Trinity College Dublin on successful ageing has linked better memory performance in older age with patterns of neural compensation. The research sheds light on how memory can remain efficient ...

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