Test yourself for synaesthesia

Synesthete.org is a website that has a series of online tests where you can test yourself for synaesthesia – the condition where senses are crossed so, for example, you might be able to taste shapes or see colours associated with specific numbers.

The site is run by the Eagleman Lab at the Baylor College of Medicine who study links between perception and action, as well as the curious world of synaesthesia.

If you’re a researcher, you can also use the site to test and collect results on your own participants, and the same tests are also available as downloadable software for the Matlab package.

It’s now known that synaesthesia is partly inherited, so if you find that you or one of your family members seems to have the condition, others in the family may also have similar abilities.

Link to synesthete.org.

Guerilla neuroscience documentaries online

Obscured TV is a website that is streaming old TV documentaries. They don’t have permission to do it, but they believe the programmes are too educational to be left gathering dust in a TV company warehouse. As they have so many classic psychology and neuroscience documentaries in their archives, I can only agree.

Just a word of warning if you’re skeptical about these sorts of things – it requires that you install some ActiveX plugin, which is seems painless to install and works OK, but only works in Explorer.

If you’re happy with doing that, have a look at this page which has a list of ‘human interest’ documentaries – largely taken from UK TV.

7 Seconds is a stunning documentary on densely amnesic patients Clive Wearing who has been the subject of some ground-breaking research on the neuropsychology of memory, but also inspires some profound thoughts on identity and remembering.

The Real Rainman, My Family and Autism and Make me Normal profile a number of remarkable individuals with autism, and Teenage Tourettes Camp is a compelling documentary on some UK children with Tourette syndrome who go to a camp in the USA especially for children affected by the disorder (it is both touching and wickedly funny in places).

Another page with documentaries from the Horizon series, includes The Man Who Lost His Body, a documentary about a man who loses his sense of proprioception – the ability to sense where your limbs are, and God on the Brain which contains a memorable scene where Michael Persinger attempts to give Richard Dawkins a religious experience by stimulating his temporal lobes with magnetic fields.

Get them while they’re online, as the site probably won’t stay up for long!

Link to ‘people’ documentaries.
Link to Horizon documentaries.

Encephalon 11 hits the virtual shelves

Issue 11 of Encephalon psychology and neuroscience writing carnival has arrived, hosted by the ever-capable Mouse Trap blog.

If you want to know the cognitive benefits of turning down the car radio when you’re lost, how science is progressing on a possible immunization for Alzheimer’s disease, or any number of exciting updates on the fast moving world of cognitive science, head on over and see what catches your eye.

Link to Issue 11 of Encephalon.

Madness as social commentary

A list of delusions taken from the psychiatric literature that don’t seem that delusional when you think about them:

“The earth is doomed”
– Patient with Alzheimer’s reported by Sultzer et al. (2003)

“Bill Gates is destroying my files and spying on me”
– 32 year old patient reported by Podoll et al. (2000)

“A local gang is going to mug me”
– South London patient reported by Freeman et al. (2001)

“I drove two people mad when I was 11 to 14 years old”
– Patient from a study by Rhodes and Jakes (2000)

“My thoughts are being controlled by TV newscasters”
– Inpatient reported by Noffsinger and Saleh (2000)

To quote Salvidor Dali “The only difference between me and a madman is that I’m not mad”.

Hijacking intelligence

Many of the big websites use the ‘wisdom of crowds’ to make meaning out of chaotic data. Now, new software technology allows the automated use of human intelligence to perform tasks which computers are unable to do.

As complex data-processing becomes a commodity, biological intelligence is becoming assimilated into the network as just another software application. As this commodity increases in value, your mind will become a prime target for cognitive hijackers.

Continue reading “Hijacking intelligence”

81 words, mental illness and homosexuality

As an update to a previous post on John E. Fryer’s dramatic role in getting homosexuality de-listed as a mental illness in 1973, thanks to the reader who emailed to say that the radio programme This American Life has a special on the fascinating story of the people behind the wider campaign.

The programme also charts the personal family story of Alix Spiegel, the producer of the This American Life series, whose grandfather was John Spiegel, president of the American Psychiatric Association when homosexuality was finally removed from the diagnostic manual.

She tells how the issue had a significant impact on psychiatry and society, but also on her family (you’ll have to listen to find out why).

The story recounts one curious event when psychiatrist Robert Spitzer, then head of the diagnostic committee, visited a clandestine gay psychiatrists’ party to meet gay psychiatrists for himself, and was surprised to see many of the psychiatric establishment there.

Although it will cost you 99 cents to download the mp3 of the programme, and audio can be streamed for free from the webpage.

Link to page for ’81 words’ programme with streamed audio (speaker icon).

Neuroscience and philosophy of vegetative state

BBC Radio 4 science programme Frontiers just started a new series, and the first programme was an in-depth investigation of the science and tricky moral and clinical problems thrown up by patients in a persistent vegetative state or PVS.

The programme talks to the researchers behind the recent study that used brain scanning to infer that a patient thought to be in PVS was actually conscious.

Doctors on the programme discuss the difficulty in diagnosing the condition, and whether functional brain scans should be used as part of the standard diagnostic checks.

Also involved in the discussion is Martin Coleman from Cambridge University’s Impaired Consciousness Group who are researching whether brain-computer interfaces could help people incapacitated by brain-injury.

Link to Frontiers webpage on Vegetative State edition.
realaudio of programme audio.

Brain Hammer

I’ve been reading mind and brain blog Brain Hammer recently – written by philosopher and cognitive scientist Pete Mandik.

Philosophers are increasingly becoming indispensable, as training in the history and practice of philosophy makes people well-suited to tackling some of difficult problems thrown up by contemporary cognitive science.

If you’re not sure what philosophers do exactly, think of them as ‘conceptual engineers’ – pushing forward new theories and fixing existing ones to make sure they are coherent and fit the data as best as possible.

The majority of mind and brain blogs are written by clinicians, psychologists and neuroscientists and so it is refreshing to see regular writing from someone engaged at the pit-face of the philosophy of mind.

As well as being Mandik’s personal blog where he shares his thoughts, it’s also where summaries from the Philosophy of Mind and Science Work in Progress group are published.

The PMS-WIP group is an online forum for the discussion of developing ideas and theories in the philosophy of mind, cognitive science, and related areas.

UPDATE: Grabbed from the comments: I also recommend to everyone Gualtiero Piccinini’s blog philosophyofbrains.com – thanks Anibal!

Link to Brain Hammer.

Soldiers and invisible children

The British Psychological Society Research Digest blog, run by our own very own Christian Jarrett, seems to have undergone a bit of a change and is now posting in daily bite-sized chunks rather than in two week mega-servings.

A couple of things I picked up from it recently include video from the recently sold-out Royal Society conference ‘Mental Processes in the Human Brain’ and a piece on the seeming impossibility of successfully predicting which soldiers might have mental health problems once they get deployed.

There’s also a wonderful piece on the psychology of why young children think they’re invisible when they close their eyes!

There’s much more where that came from, and now it’s delivered daily.

Link to rejigged BPS Research Digest.

2006-11-17 Spike activity

Quick links from the past week in mind and brain news:

The New York Times looks at the lives of students with autism and Aspergers in an article on ‘<a href="Students on the Spectrum
http://www.nytimes.com/2006/11/05/education/edlife/traits.html?ex=1320382800&en=ed013200a8615e5f&ei=5090&partner=rssuserland&emc=rss”>Students on the Spectrum‘.

Two recent stories suggest that applying mild electric currents to the head can aid memory or help with migraine.

One I missed earlier… AlphaPsy has a fascinating post on mental illness viewed from the stance of economic rational choice theory.

Simon Baron-Cohen discusses his theories of systemizing and autism in Seed Magazine.

Cognitive Daily explores cutting-edge research on how children learn cultural values.

BBC News reports on a syndrome of current concern in Japan, nicknamed ‘Retired Husband Syndrome‘.

Virtual reality system used to ‘move’ phantom limbs and relieve the associated phantom pain, reports New Scientist.

More from PsyBlog’s ’emotional truth’ series: the emotional unconscious and doing without feeling.

Couple of fantastic posts from Mixing Memory: why people treat computers as if they had beliefs and intentions, and whether children attribute false beliefs to God.

Suicide comedy

The plot line of this upcoming movie sounds very odd (and it must be said, very original):

“Heartbroken by a break-up with his girlfriend Desiree, twentysomething Zia (Almost Famous’ Patrick Fugit) kills himself – only to wake up in the afterlife: a purgatory populated exclusively by other suicides, where the jukeboxes only play Joy Division and Nirvana, all the colours seem desaturated, and life is more or less the same as back in the real world – ‘just a little worse’. Learning that his beloved ex has also taken her life, he hooks up with a Russian misfit (whose final moments, seen in flashback, provide one of the film’s funniest scenes), and a moody Goth hitchhiker (Shannyn Sossamon), and sets off in a battered station wagon to find her; the resulting road-trip – including a scene-stealing cameo by Tom Waits – forms the basis of this ruefully funny road movie.”

It’s got excellent reviews so far, so I’ll be interested to see how it manages to deal with such a sensitive issue.

Link to official site.
Link to IMDB entry.

Two smell systems in the human brain

Today’s Nature has a special supplement on chemical sensing, including a freely accessible article on smell and the flavour system that is full of surprising facts about one of the most neglected senses.

For me, one of the most surprising aspects of the article, was discovery that there are two distinct brain networks for smell.

One is the orthonasal system which deals with odours ‘sniffed in’ to the nose, and the other is the retronasal smell system (image on the right, click for larger version of both) which is involved in sensing odours when we breath out.

The retronasal system is particularly linked to the flavour system, because it is most commonly activated when we eat food.

The traditional view in the literature on eating behaviour in human culture is that the flavour of prepared foods is humanity’s greatest universal shared behaviour, experienced by individuals of all ages in the course of daily life. Flavour is also among the most complex and powerful of all human sensations. It engages almost all of the sensory modalities. It also engages the complex facial, swallowing and respiratory motor systems. Flavour is therefore an active sensation ‚Äî we use ‘active taste’ to palpate our food with our tongue as we use ‘active touch’ to palpate an object we are examining with our fingers. Some of these systems are indicated in the diagram [above]. Above these sensory and motor systems are the cognitive systems for memory, emotion, abstract thinking and language. The importance of retronasal smell images is illustrated by the massive extent to which they interact with these brain systems compared with orthonasal smell images

The article also discusses the how smells are transformed into spatial odour patterns in the brain depending on which sensors the odour activates, and notes that smell-related genes are the largest group in the genome.

All in all, it’s a really eye-opening article if, like me, you’re not familiar with the surprising and complex nature of our sense of smell.

Link to article ‘Smell images and the flavour system in the human brain’.

A neuroscientist’s life’s work

The International Herald Tribune has a fascinating article on the work of neuroscientist Prof Sandra Witelson.

Witelson is notable for collating the world’s largest ‘brain bank’ of non-diseased human brains.

She is particularly interested in examining how brain structure relates to mental function, and particularly in sex differences between men and women.

Her research has turned up some intriguing differences between the structures of male and female brains, usually not obviously visible on brain scans, as they are at the cellular level and only in specific areas.

Witelson also got the chance to study a particularly exceptional brain:

It was Witelson’s 1999 study of Albert Einstein’s brain that made headlines by revealing some remarkable features overlooked by other neuroscientists: the parietal lobe, the region responsible for visual thinking and spatial reasoning, was 15 percent larger than average, and it was structured as one distinct compartment, instead of the usual two compartments separated by the Sylvian fissure.

Witelson is continuing her analysis of Einstein’s brain, but with a histological study, probing features of the cellular geography in the parietal lobe, like the packing density of his neurons.

These specimens of Einstein’s brain came to Witelson via Dr. Thomas Harvey, the pathologist at the Princeton hospital where Einstein died in 1955. Shortly thereafter Harvey stole away with the great man’s gray matter (and lost his job as a result).

Now 94, Harvey has received requests for Einstein’s brain from many neuroscientists and turned most of them down. But hearing of Witelson’s extensive brain bank, he sent her a handwritten note by fax in 1995 asking simply, “Do you want to study the brain of Albert Einstein?”

She sent a fax back: “Yes.”

Link to ‘A neuroscientist’s life’s work: Analyzing brains to study structure and cognition’.

NewSci’s half century of big questions

New Scientist turns 50 today, and to celebrate, they’ve reprinted some classic news stories from their archives and have predictions from a clutch of contemporary scientists.

The only neuroscience-related story from the archive is the discovery of endorphins, natural pain-killing opioids in the brain, from way back in ’76.

Cognitive scientists make more of a showing in the section on predictions about the future with Rodney Brooks, Steven Pinker, Elizabeth Loftus, Igor Aleksander, Geoffry Miller, Terry Sejnowski, Eric Horvitz, Frans de Waal and Michael Gazzaniga all making their pitches.

Some of the feature articles, only available to paying subscribers, also tackle mind and brain issues, as the magazine attempts to describe some of the biggest problems still facing science.

Articles on ‘What is consciousness?’, ‘What is reality?’, ‘What comes after Homo sapiens?’ and ‘Do we have free will?’ all cover areas of interest to psychology and neuroscience enthusiasts.

Link to NewSci 50th anniversary edition details.

The maze of child psychiatry

The New York Times has published the first two parts of an ongoing series on the experience and difficulties of diagnosing mental illness in children.

The area of child mental illness is controversial, largely because diagnosis is so difficult.

Diagnosing adults is tricky at the best of times, but mental disorder seems to appear differently in children and is often classified using specific diagnoses.

Some disorders, such as conduct disorder or childhood autism, can only be diagnosed in children, while others, such as psychotic disorders, could technically be diagnosed but are incredibly rare in pre-adolescents.

Some diagnoses are subject to significant cultural differences. For example, some American psychiatrists are diagnosing children with bipolar disorder as young as 6-years-old, while most British psychiatrists tend to be quite unhappy with this, and in practice, rarely diagnose anyone under 18 with the condition.

At the moment, awareness of ‘Juvenile Bipolar Disoder’, as it has been christened, is being heavily promoted in America.

For example, the Juvenile Bipolar Research Foundation website even lets you ‘screen’ your own child with an online questionnaire to see if they have the condition.

Cynics may note that the organisation is sponsored by, among others, Novartis Pharmaceuticals and make accusations of disease mongering, while supporters would argue that it is increasing awareness of an under-recognised disorder and hope that it will lead to better treatment for children in distress

One of the concerns of these diagnoses, is that they typically lead to substantial drug treatment, the long-term effects of which are not well understood or researched.

The first NYT article explores the experience of one family who had a daughter who developed behavioural problems and started experiencing psychotic symptoms at the age of 7, a very uncommon occurrence.

The second article looks at the process of diagnosis itself, and what difficulties psychiatrists face when trying to separate bizarre but normal childhood fantasy from troubling thoughts and feelings.

This is an especially difficult task in children who do not necessarily have the language or mental abilities to fully communicate their own experiences.

Both articles have video and a photo essay to accompany them. Presumably, more articles in the series will be forthcoming.

Link to NYT article ‘Living With Love, Chaos and Haley’.
Link to NYT article ‘What‚Äôs Wrong With a Child? Psychiatrists Often Disagree’.

Lights, camera, madness – Bollywood style

Bollywood, the world’s largest film industry, seems to be showing a new, more positive interest in mental illness.

As The Mouse Trap reports, one of the most popular films of the year, Lage Raho Munna Bhai (‘Carry on Munna Bhai’) depicts a local gangster, Munna, who becomes obsessed with the ideas of Mahatma Ghandi.

Munna subsequently hallucinates the presence of Ghandi and experiences the delusion that he is being guided by the long-dead leader.

The film has won praise from Indian psychiatrists for its positive portrayal of the sorts of unusual experiences that are typical of psychotic conditions.

According to Reuters, the sensitive portrayal of mental illness is set to continue with a forthcoming Bollywood film, provisionally entitled “Bits and Pieces”, which will actually be set inside an asylum.

“Bits and Pieces,” starring Bollywood actor Rahul Bose, known for portraying unconventional roles, promises to be one such film that balances the sensibilities of the art-house genre with popular appeal.

“It is a movie about a writer in India who decides to visit a lunatic asylum for his next novel,” Bose told Reuters. “It shows how he gets emotionally attached to the people living in the asylum, his emotional tumult thereafter and his wish to do something for them.”

Watching inmates of the asylum and their myriad interactions from close quarters make Bose question popular notions of sanity and madness to a point where he seems to find a reason in defense of insanity.

“After seeing the so-called insanes, the writer fails to distinguish whether those who have been put inside the asylum are mad or those who have put them inside are,” Bose, 39, said about the protagonist’s dilemma.

Indian cinema has an long and fascinating history of reflecting cultural attitudes to mental illness.

Psychiatrist Prof Dinesh Bhugra published a landmark paper and book on the representation of madness in Bollywood, and has noted that it often mirrors social and political changes in India itself.

Bhugra argues that in the 1950s and the mid-1960s, the years of ‘hope and achievement’ for India, mental illness was portrayed in a gentle and even romantic way.

As social and political turmoil followed through the 1970s, 80s and 90s, madness became to be portrayed as dangerous and obsessive.

Hopefully, the new optimism in modern India is being reflected in films with positive messages about mental health.

Link to The Mouse Trap on madness in film.
Link to abstract of paper on madness in Bollywood.
Link to details of book ‘Mad Tales from Bollywood’.