Modern
brain scans tell us why.
Brain scans tell us that these regions of the brain correspond to the ones activated in human beings.
Not exact matches
Kurzweil has appeared in Inc. magazine numerous times (he let us
scan his
brain and
told us how to predict the future) and is the leading advocate of a school of thought called the singularity, which says, essentially, that humans will eventually turn into robots and live forever.
When you think about the fact that very young children especially can't exactly
tell you that their head hurts or may make an exam difficult because they get cranky or tired or act out in a way that you can't determine «normal» behavior, it makes sense that a CT
scan could be especially helpful in diagnosing
brain injuries.
One study found that pregnancy does indeed cause striking changes in women's
brains, so much so that researchers are able to
tell if a woman has had a child simply by looking at her
brain scans.
«But I would never
tell a parole board to decide whether to release somebody or hold on to somebody, based on their
brain scan as an individual, because I can't
tell what are the causal factors in that individual.»
When studying honesty, neuroscientists usually ask people to either
tell the truth or lie while undergoing a
brain scan.
In a healthy
brain, these responses are easy to
tell apart on a
scan: Tennis activates motor - related
brain areas, while navigating activates spatial regions.
Brain scan studies of large groups of people can tell us things about what the «average» brain looks
Brain scan studies of large groups of people can
tell us things about what the «average»
brain looks
brain looks like.
Those
brain scans might not look like the
scans of people
told to lie, for instance, about whether they'd taken a watch off a lab table.
Here's an extreme idea but one that would certainly make career choices easier: a
brain scan that
tells you what jobs you would be good at.
If you have awful spatial awareness, for example, best not become a racing driver... but perhaps you don't need a
brain scan to
tell you that.
The researchers then used functional magnetic resonance imaging (fMRI) to
scan 21 of the participants»
brains while they viewed pairs of short film clips showing classmates of varying status within this social network,
telling them all they needed to do was indicate whether the clips in each pair were the same or different, and that this task was unrelated to the first part of the experiment.
To find out, they
scanned the «resting»
brains of volunteers as they waited to be
told what the experiment entailed.
An algorithm can reconstruct pictures a person is looking at from
brain scans, could one day be used to
tell what someone is thinking
Last year, several news outlets reported that after having his
brain scanned at the University of California, Los Angeles, former National Football League (NFL) running back Tony Dorsett was
told he shows signs of chronic traumatic encephalopathy (CTE), a neurodegenerative disease associated with repeated blows to the head.
A team led by John - Dylan Haynes of the Bernstein Center for Computational Neuroscience Berlin
scanned the
brains of volunteers who held a button in each hand and were
told to push one of the buttons whenever they wanted to.
From the
scans, the researchers could
tell that the monkeys relied on an area of the
brain called the arcuate sulcus to do the task.
Some needed no
scan to
tell them their
brains had been injured.
«MRI
scans give us a bird's eye view of the apnea - related difference in volume of various parts of the
brain, but they don't
tell us, at the cellular level, what happened to the affected neurons or when,» said co-author David Gozal, MD, professor of pediatrics, University of Chicago.
A study focused on how friendships are forged is like a case of «show me you
brain scan and I'll
tell you who your friends are.»
A co-worker at the agency claimed he had overheard Wilson's supervisor saying that she should not be placed on jobs because of her complaint, so Zevin had the co-worker undergo questioning about the incident during a
brain scan by Cephos, one of several American companies that claim they can reliably use fMRI to establish whether somebody is
telling the truth or lying.
A good precedent was set earlier this week, in a federal court case in Tennessee, in which the attorney defending Lorne Semrau against charges of fraud attempted to submit
brain scans as evidence that his client was
telling the truth.
Volunteers had three
brain scans: once with no instruction on how to react to the food, once after being
told to suppress their desire for the food, and once with no food in front of them.
Now I've been
told that I have a slightly elevated cancer marker in a recent blood test (CA 15 - 3 with a score of 39.1 unit / mL H), and they want to do a bone
scan and
brain MRI just to be careful.
Dr. Edward Brettholz
told us that the
brain scan was even, meaning that it showed no life, but that it would be necessary to take three more
scans so that, in the trial ahead, the defense could not claim that Cedars - Sinai had removed Dominique from the life - support system too soon.
In Liège, Steven Laureys's PhD student Athena Demertzi, who helped Laureys
scan and study Graham,
told me something about Graham that also reminded me that despite his delusion of being
brain dead, there was an essence that remained.
Brain scans have found that dogs use different parts of their
brains to process speech, and can
tell what words mean if we use the right tone
By way of an update, I read this morning in Wired Science that a Brooklyn attorney says he plans to offer a
brain scan as proof that a witness is
telling the truth.