Neuroscience

Secret structure in the wiring diagram of the brain

In the brain, our perception arises from a complex interplay of neurons that are connected via synapses. But the number and strength of connections between certain types of neurons can vary. Researchers from the University ...

Neuroscience

Team discovers second stem cell type in mouse brain

In the brain of adult mammals, neural stem cells ensure that new nerve cells (neurons), are constantly formed. This process, known as adult neurogenesis, helps mice maintain their sense of smell. A research team led by Dr. ...

Alzheimer's disease & dementia

Mouse study explores Alzheimer's link to the X chromosome

Evidence in mouse and human brain tissue reveals a mechanism that may explain the sex-based differences in Alzheimer's disease, including why females are more vulnerable. Researchers report October 4 in the journal Cell that ...

Neuroscience

Friend or foe? How mice decide to make love or war

Dog owners whose pets meet during a walk are familiar with the immediate sniffing investigation that typically ensues. Initially, the owners cannot tell whether their dogs will wind up fighting, playing, or trying to mount ...

Psychology & Psychiatry

How changes in length of day change the brain and subsequent behavior

Seasonal changes in light—longer days in summer, shorter in winter—have long been associated with human behaviors, affecting everything from sleep and eating patterns to brain and hormonal activity. Seasonal affective ...

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