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Here is a Science mag news article on cheaper and more portable MRI for brain scanning.
Compared to current machines, it is much smaller (~400 Kg) and cheaper ("if market demand can bring down the cost of a key component, he thinks it could eventually cost $200,000 or less, versus millions of dollars for current scanners").
The article also discusses the ethical issues that arise from having brains scanners spitting out scans without obvious direct links with the meidcal community.
Compared to current machines, it is much smaller (~400 Kg) and cheaper ("if market demand can bring down the cost of a key component, he thinks it could eventually cost $200,000 or less, versus millions of dollars for current scanners").
The article also discusses the ethical issues that arise from having brains scanners spitting out scans without obvious direct links with the meidcal community.