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nipyworld.blogspot.com

The magical world of NIPY: April 2012

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The magical world of NIPY. About working on NIPY. NIPY is Neuroimaging in Python: http:/ nipy.org. Tuesday, April 10, 2012. Replication in functional MRI. Started a long discussion by blogging about flawed neuroimaging papers. Sent a post to the discussion, in which she said this:. I have occasionally asked respected colleagues what percent of published neuroimaging findings they think would replicate, and the answer is generally very depressing. My own guess is *way* less than 50%. Last there is the cul...

the-brain-box.blogspot.com

Brain Box: September 2012

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Saturday, 15 September 2012. Must we really accept a 1-in-20 false positive rate in science? There has been some very interesting and extremely important discussion recently addressing a fundamental problem in science: can we believe what we read? After a spate of high-profile cases of scientific misdemeanours and outright fraud (see Alok Jha's piece in the Guardian. These include more transparency. Experiments), encouraging replication. Promoting the dissemination of null effects. These kinds of fishy g...

the-brain-box.blogspot.com

Brain Box: April 2015

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Wednesday, 29 April 2015. Peering directly into the human brain. With the rise of non-invasive brain imaging such as functional magnetic resonance imaging ( fMRI. Electricity is the language of the brain, but fMRI only measures changes in blood flow that are coupled to these electrical signals. This coupling is complex, therefore fMRI can only provide a relatively indirect measure of neural activity. Electroencephalography ( EEG. Is a classic method for measuring actual electrical. Can be a seriously deb...

the-brain-box.blogspot.com

Brain Box: March 2013

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Tuesday, 12 March 2013. Book review: Hallucinations by Oliver Sacks. I read Hallucinations over the Christmas break, and have been meaning to post a book review ever since. Oliver Sacks will be discussing his book tomorrow at Warwick University, where he is currently a visiting professor. I have booked my seat, and am looking forward to it. I will post my review of his talk, and anything new I learn at the discussion soon. Now posted* At the Brain Box. And also cross-posted at Brain Metrics. Tl;dr &#8211...

the-brain-box.blogspot.com

Brain Box: August 2015

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Monday, 3 August 2015. Journal Club: Decoding spatial activity patterns with high temporal resolution. On: Cichy, Ramirez and Pantazis (2015) Can visual information encoded in cortical columns be decoded from magnetoencephalography data in humans? Knowing what information the brain is holding at any given time is an intriguing prospect. It would enable researchers to explore how and where information are processed and formed in the brain, as well as how they guide behaviour. How is this possible? As can ...

the-brain-box.blogspot.com

Brain Box: August 2013

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Tuesday, 13 August 2013. In the News: Death wave. Can neuroscience shed light on one of life's biggest mysteries - death? In a paper just published in PNAS. Researchers describe a surge of brain activity just moments before death. This raises the fascinating possibility that they have identified the neural basis for near death experiences. Ie, killed). The exact moment of death was identified as the last regular heartbeat ( clinical death. Adapted from Fig 1 of Borjogin et al. (2013). In humans (see here.

the-brain-box.blogspot.com

Brain Box: January 2013

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Thursday, 17 January 2013. Research Briefing: Targeting "silent" brain areas with TMS. A major challenge in neuroscience is how to study brain processes that are securely encased within the skull. Over the last twenty years, there has been enormous progress in non-invasive brain imaging methods. In particular, functional magnetic resonance imaging (fMRI) and magnetoencephalography (MEG) allow researchers to measure brain activity from outside the head. And others, we previously explored the effect of sku...

the-brain-box.blogspot.com

Brain Box: June 2015

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Monday, 1 June 2015. Research Briefing: reward-guided working memory. Research Briefing, by George Wallis. In almost any situation, there are hundreds of things (or ‘stimuli’) that could attract our attention - just count the number of objects you can see from where you are now. In order to get on with life and avoid total mental chaos, we have to be extremely selective about what we process. Harry Styles of One Direction. Giving an attentional cue to the crowd. Wallis, Stokes, Arnold, and Nobre, 2015).

the-brain-box.blogspot.com

Brain Box: February 2013

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Sunday, 24 February 2013. Research Briefing: Attention restores forgotten items to visual short-term memory. Our paper, just out in Psychological Science, describes the final series of experiments conducted by Alexandra Murray during her PhD with Kia Nobre and myself at the Department of Experimental Psychology, Oxford University. Building on previous research by Kia and others in the Brain and Cognition Lab. We think that retrieval is also important in VSTM - valuable information could be stored in shor...