Neuroscience

Are bigger brains better?

When it comes to certain parts of the brain, bigger doesn't necessarily equate to better memory. According to a new study led by Michigan State University, a larger hippocampus, a curved, seahorse-shaped structure embedded ...

Medical research

Study explores potential new class of antidepressants

Researchers at Vanderbilt University Medical Center have taken a major step that could ultimately facilitate development of a new class of antidepressants which may relieve symptoms more rapidly and effectively and with fewer ...

Neuroscience

Nature versus nurture: How modern science is rewriting it

The question of whether it is genes or environment that largely shapes human behavior has been debated for centuries. During the second half of the 20th century, there were two camps of scientists—each believing that nature ...

Neuroscience

Neuron circuitry from brain signals

The brain is considered to be one of the most complex systems in existence. And while significant headway has been made to understand it, we tend to generate more questions than answers.

Neuroscience

A new high-resolution map of how the brain is wired

In their quest to map the millions of neural highways and connections in the brain, researchers at the Allen Institute have made a significant step forward, unveiling a new high-resolution view of the wiring diagram of the ...

Neuroscience

Scientists shed light on how brains turn pain up or down

Pain perception is essential for survival, but how much something hurts can sometimes be amplified or suppressed: for example, soldiers who sustain an injury in battle often recall not feeling anything at the time.

Neuroscience

General anesthesia hijacks sleep circuitry to knock you out

The discovery of general anesthesia 170 years ago was a medical miracle, enabling millions of patients to undergo invasive, life-saving surgeries without pain. Yet despite decades of research, scientists still don't understand ...

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