Neuroscience

Rats' and bats' brains work differently on the move

A new study of brain rhythms in bats and rats challenges a widely used model - based on studies in rodents - of how animals navigate their environment. To get a clearer picture of the processes at work in the mammal brain ...

Neuroscience

Going places: Rat brain 'GPS' maps routes to rewards

While studying rats' ability to navigate familiar territory, Johns Hopkins scientists found that one particular brain structure uses remembered spatial information to imagine routes the rats then follow. Their discovery has ...

Alzheimer's disease & dementia

Researchers create next-generation Alzheimer's disease model

A new genetically engineered lab rat that has the full array of brain changes associated with Alzheimer's disease supports the idea that increases in a molecule called beta-amyloid in the brain causes the disease, according ...

Neuroscience

How rats see things

The image of an object, when projected into the eyes, may take on the most diverse shapes depending on the chosen point of view, as this can change its distance, perspective and so on, yet generally we have no difficulty ...

Medical research

Alternative fuel for your brain

Tight control of blood glucose levels is critical to mitigating the long-term complications of diabetes; however, the intensive insulin therapy required for this control is frequently accompanied by recurrent episodes of ...

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