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Classifying aging as a disease, the debate is hotting up as ICD11 at WHO draws near.

What is considered to be normal and what is considered to be diseased is strongly influenced by historical context (Moody, 2001/2002). Matters once considered to be diseases are no longer classified as such. For example, when black slaves ran away from plantations they were labeled to suffer from drapetomania and medical treatment was used to try to “cure” them (Reznek, 1987). Similarly, masturbation was seen as a disease and treated with treatments such as cutting away the clitoris or cauterizing it (Reznek, 1987). Finally, homosexuality was considered a disease as recently as 1974 (Reznek, 1987). In addition to the social and cultural influence on disease definition, new scientific and medical discoveries lead to the revision of what is a disease and what is not (Butler, 2008). For example, fever was once seen as a disease in its own right but the realization that different underlying causes would lead to the appearance of fever changed its status from disease to symptom (Reznek, 1987). Conversely, several currently recognized diseases, such as osteoporosis, isolated systolic hypertension, and senile Alzheimer’s disease, were in the past ascribed to normal aging (Izaks and Westendorp, 2003; Gems, 2011). Osteoporosis was only officially recognized as a disease in 1994 by the World Health Organization (WHO, 1994).

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For millennia the human experience has been governed by five senses, but advances in neuroscience and technology may soon give us a far broader perspective.

What counts as a sense in the first place is not clear cut. Sight, hearing, taste, smell, and touch make up the traditional five senses, but our sense of balance and the ability to track the movement of our own body (proprioception) are both key sensory inputs. While often lumped in with touch, our temperature and pain monitoring systems could potentially qualify as independent senses.

These senses are also not as concrete as we probably believe. Roughly 4.4% of the population experiences synesthesia — where the stimulation of one sense simultaneously produces sensations in another. This can result in people perceiving colors when they hear sounds or associating shapes with certain tastes, demonstrating the potential fluidity of our senses.

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Interscatter communication has enabled the first Wi-Fi communication between implanted devices, wearables, and smart devices.

Researchers from the University of Washington have created a new form of communication that allows devices like credit cards, smart contact lenses, brain implants, and smaller wearable electronics to use Wi-Fi to talk to everyday devices like watches and smartphones. It’s called “interscatter communication,” and it works by using reflections to convert Bluetooth signals into Wi-Fi transmissions in the air that can be picked up by smart devices.

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Engineers at the University of Massachusetts Amherst are leading a research team that is developing a new type of nanodevice for computer microprocessors that can mimic the functioning of a biological synapse—the place where a signal passes from one nerve cell to another in the body. The work is featured in the advance online publication of Nature Materials.

Such neuromorphic computing in which microprocessors are configured more like human brains is one of the most promising transformative computing technologies currently under study.

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Researchers have come up with a way for making functional neurons directly from human skin cells, including those taken from patients with Alzheimer’s disease. Alzheimer’s Reading Room Asa Abeliovich The new method may offer a critical short cut for generating neurons for replacement therapies of the future, according to research published in the August 5th …“Scientists Make Neurons Directly From Human Skin”

Machines enrich and enhance our lives, whether it’s the smartphones that allow us to stay connected or the supercomputers that solve our toughest computational problems. Imagine how much more productive and innovative our world will be when computers become infinitely more powerful. Indeed, the growing field of quantum computing may make our current technological capacities look feeble and primitive in comparison. It could even transform the workings of the human brain and revolutionize how we think in ways we can’t begin to imagine.

Today, computers operate at the most basic level by manipulating two states: a zero or a one. In contrast, quantum computers are not limited to two states, but can encode information in multiple states that exist in superposition, also known as quantum bits or qubits.

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Technology for reading signals directly from the brain developed by Stanford Bio-X scientists could provide a way for people with movement disorders to communicate.

The system directly reads brain signals to drive a cursor moving over a keyboard. In a pilot experiment conducted with monkeys, the animals were able to transcribe passages from the New York Times and Hamlet at a rate of 12 words per minute.

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