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Awareness of memory loss may decline two-three years before dementia onset

People who will develop dementia may begin to lose awareness of their memory problems two to three years before the actual onset of the disease, according to a new study. The study also found that several dementia-related brain changes, or pathologies,…

Self-control saps memory, study says

You’re about to switch lanes on a busy road when you realize there’s a car in your blind spot. You have to put a stop to your lane change — and quickly. A new study suggests that this type of scenario makes a person less likely to remember what halted…

Cannabis use may influence cortical maturation in adolescent males

Male teens who experiment with cannabis before age 16, and have a high genetic risk for schizophrenia, show a different brain development trajectory than low risk peers who use cannabis.

Cannabis and the brain

Two new studies examine associations between cannabis use and the brain.

The great escape: Why awareness of mortality can be bad for health

The great escape: why awareness of our own mortality can be bad for our healthPeople with low self-esteem use a variety of escape mechanisms to avoid thinking about their own mortality, new…

Can’t count sheep? You could have aphantasia

If counting sheep is an abstract concept, or you are unable to visualize the faces of loved ones, you could have aphantasia — a newly defined condition to describe people who are born without a ‘mind’s eye’.

Depression: evidence of serotonin signal transduction disturbances

Depression and anxiety disorders are the most common psychiatric disorders. Over the last few years, molecular brain imaging using Positron Emission Tomography (PET) has helped us to identify…

Depression: Evidence of serotonin signal transduction disturbances

Depression and anxiety disorders are the most common psychiatric disorders. Over the last few years, molecular brain imaging using Positron Emission Tomography (PET) has helped us to identify important mechanisms involved in the development and treatme…

The catch of the day: Fishing for research data at the Museum of Science

A computer game was used to lure research subjects at the museumPeople of all ages recently lined up to do some fishing at the Museum of Science in Boston.

‘Lazy eye’ may bully the brain into altering its wiring

As the brain develops its preference for the dominant eye’s input, it alters its connections to the weaker eye, according to a new study.