Neuroscience

How cognition changes before dementia hits

Individuals with mild cognitive impairment, especially of the "amnestic subtype" (aMCI), are at increased risk for dementia due to Alzheimer's disease relative to cognitively healthy older adults. Now, a study co-authored ...

Neuroscience

Oxytocin: The love hormone that holds the key to better memory

Oxytocin (OXT) is a hormone that is known for its effects on psychological well-being and emotional bonding in animals. Interestingly, research has shown that this natural chemical in the brain plays a crucial role in other ...

Neuroscience

Re-frame of mind: Do our brains have a built-in sense of grammar?

For centuries, a prevailing theory in philosophy has asserted that at birth the human mind is a blank slate. More recently, the same notion has also held sway in the field of neurobiology, where it is commonly held that neural ...

Neuroscience

Timing is everything: How circadian rhythms influence our brains

Why are we mentally sharper at certain times of day? A study led by Jonathan Lipton MD, Ph.D., at Boston Children's Hospital spells out the relationship between circadian rhythms—the body's natural day/night cycles—and ...

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