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Sci-Tech

Why did Neanderthal Man perish despite similarities with humans?

The uniqueness of human beings vis-à-vis other species can be attributed to the human brain. Undoubtedly so. This has been strongly established through extensive studies exploring the differences between the human brain and those of other related mammals. But even with the best of efforts, the comparisons have only been versions of apples and oranges. […]

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Health Sci-Tech

Until what age does the brain grow?

There are some basics that all of us learn while in school. Modern science is turning many a learning of the type on its head. For instance, we all learnt that brain cells do not grow beyond a certain age. If Maura Boldrini and group are to be believed, according to a study that they […]

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Health Sci-Tech

Your stress is affecting my brain

Calgary, Canada: In a new study in Nature Neuroscience, Jaideep Bains, PhD, and his team at the Cumming School of Medicine’s Hotchkiss Brain Institute (HBI), at the University of Calgary have discovered that stress transmitted from others can change the brain in the same way as a real stress does. The study, in mice, also […]

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Health Sci-Tech

Predicting decision-making in moral dilemmas

Los Angeles: It is wartime. Your fellow refugees and you are hiding from enemy soldiers when a baby begins to cry. You cover her mouth to block the sound. If you remove your hand, her crying will draw the attention of the soldiers, who will kill everyone. If you smother the child, you’ll save yourself […]

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Sci-Tech

Brains: 2 species, similar acts, different mechanisms

Atlanta: Scientists at Georgia State University have rewired the neural circuit of one species and given it the connections of another species to test a hypothesis about the evolution of neural circuits and behaviour. Neurons are connected to each other to form networks that underlie behaviours. Dr Akira Sakurai and Dr Paul Katz of Georgia State’s […]

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Sci-Tech

How you guess what the other guy is thinking

New York City: Scientists call our ability to understand another person’s thoughts — to intuit their desires, read their intentions, and predict their behaviour — the theory of mind. It’s an essential human trait, one that is crucial to effective social interaction. But where did it come from? Working with rhesus macaque monkeys, researchers in […]

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Sci-Tech

Brain stimulation during training boosts performance

Albuquerque: Your Saturday Salsa club or Introductory Italian class might be even better for you than you thought. According to Sandia National Laboratories cognitive scientist Mike Trumbo, learning a language or an instrument or going dancing is the best way to keep your brain keen despite the ravages of time. Not only do you enhance […]