Google Brain, protein-folding DeepMind fold into one
Although AI chatbots tend to make up information, a phenomenon described as"hallucination," the pressure is on for Google to maintain its dominance in internet search and advertising as competitors rush to deploy generative AI products that challenge that virtual monopoly.
Demis Hassabis, co-founder of DeepMind, will lead the new group as CEO, whilst Jeff Dean, head of Google AI leading its research initiatives will become Google DeepMind's Chief Scientist and will report to Pichai. Hassabis will work on core research developing general AI technologies. DeepMind has become well-known for its ambitious research projects like its go-playing AlphaGo agent or protein-foldingmodel. The London-based lab reported losses of hundreds of millions of dollars in operating costs for years, and only recently started turning a profit from 2020 onward by applying its technology to Google's products and services.
Both companies have always had a close relationship. Google initially acquired DeepMind in 2014 for $600 million before it restructured as a subsidiary owned by Alphabet in 2015. DeepMind's health unit was also folded into Google Health in 2018. "Combining our talents and efforts will accelerate our progress towards a world in which AI helps solve the biggest challenges facing humanity, and I'm incredibly excited to be leading this unit and working with all of you to build it," Hassabis"Together, in close collaboration with our fantastic colleagues across the Google Product Areas, we have a real opportunity to deliver AI research and products that dramatically improve the lives of billions of people, transform...
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Purpose in life promotes resilience to age-related brain burden in middle-aged adults - Alzheimer's Research & TherapyBackground Disease-modifying agents to counteract cognitive impairment in older age remain elusive. Hence, identifying modifiable factors promoting resilience, as the capacity of the brain to maintain cognition and function with aging and disease, is paramount. In Alzheimer’s disease (AD), education and occupation are typical cognitive reserve proxies. However, the importance of psychological factors is being increasingly recognized, as their operating biological mechanisms are elucidated. Purpose in life (PiL), one of the pillars of psychological well-being, has previously been found to reduce the deleterious effects of AD-related pathological changes on cognition. However, whether PiL operates as a resilience factor in middle-aged individuals and what are the underlying neural mechanisms remain unknown. Methods Data was obtained from 624 middle-aged adults (mean age 53.71 ± 6.9; 303 women) from the Barcelona Brain Health Initiative cohort. Individuals with lower (LP; N=146) and higher (HP; N=100) PiL rates, according to the division of this variable into quintiles, were compared in terms of cognitive status, a measure reflecting brain burden (white matter lesions; WMLs), and resting-state functional connectivity, examining system segregation (SyS) parameters using 14 common brain circuits. Results Neuropsychological status and WMLs burden did not differ between the PiL groups. However, in the LP group, greater WMLs entailed a negative impact on executive functions. Subjects in the HP group showed lower SyS of the dorsal default-mode network (dDMN), indicating lesser segregation of this network from other brain circuits. Specifically, HP individuals had greater inter-network connectivity between specific dDMN nodes, including the frontal cortex, the hippocampal formation, the midcingulate region, and the rest of the brain. Greater functional connectivity in some of these nodes positively correlated with cognitive performance. Conclusion Expanding previous findings
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Young Edinburgh man's mystery illness causes brain tumour to grow back after opWesley Klok, 25, is preparing to undergo brain surgery after suffering from double vision and weeks of debilitating symptoms.
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