Tuesday, June 29, 2010

What I packed for lunch the first two days of camp...

While I'd gladly send my kids in with that pea dip filled pita and call it something cool like "slime stuffing"in their camp lunches, because I made it with pine nuts it's a no go on the "nut free policy". A few of you have asked me what I am putting in their lunches, so I'm trying to remember to photograph the lunchboxes before zipping them up. Here's what's in them this week:

My older son's lunch (pictured above) included: (leftover from Sunday's BBQ) black bean-corn-jicama salad, a cheese stick, a squeeze yogurt, and water. Then, there's a container of cinnamon graham crackers tucked in the top pocket you cannot see. Since he liked the black bean salad a lot on Sunday, I excitedly told him I was going to put it into his lunch on Monday...and yes, it was polished off.

His camp also asked us to pack a snack separately, so I tucked a baggie of cucumbers and Newman's fig newtons in the front pocket of his lunchbox...but the newtons came back untouched as a smushed mess. So, apparently there's little time for snack or he wasn't hungry yet.

My little one's Monday lunch included: (also leftover from Sunday night's BBQ) grilled chicken, a few slices of jicama and some cherry tomatoes, strawberries, a cheese stick and water. At his camp, they give the kids a crunchy snack of some sort.

You'll note that one child got the chicken he really liked the night before, the other got the protein-rich side dish he liked a lot. I packed something different for both kids, but both lunches took me minutes to prepare since I was using food I'd already prepared. Aside from making a sandwich, I really try to keep packing lunches simple, based upon what I have in the fridge ready to go.


On Tuesday, both kids have the same lunch for camp: a container of jicama and cherry tomatoes (already washed and cut stored in the fridge), edamame (again, cooked and ready to eat...you can usually buy them this way too in the produce section if you're short on time), a squeeze yogurt, and cream cheese and strawberry jam on whole wheat bread (cut into stars, I know, how very Martha of me).

Then for my older one's snack I sent in a bag of these yummy dried bananas I recently discovered. (In Lower Fairfield County, I know they carry them at Walter Stewart's and Whole Foods in Darien and Westport.)

Pea dip as (quick) outdoor lunch

The pea dip in action as a quick lunch by the swing set: strawberries, whole wheat pita bread, cucumbers, Ak-Mak crackers and bright green pea dip.

Monday, June 28, 2010

How hunger affects our financial risk taking

The hungrier an animal becomes, the more risks it's prepared to take in the search for food. Now, for the first time, Mkael Symmonds and colleagues have shown that our animal instinct to maintain a balanced metabolic state influences our decision-making in other contexts, including finance.

Nineteen male participants performed the same gambling task on three occasions, a week apart: either after a fourteen hour fast; immediately after eating a standard two-thousand calorie meal; or one hour after eating a two-thousand calorie meal. The task simply required participants to choose repeatedly between pairs of gambles, one of which was always riskier but more lucrative than the other.

The immediate effect of the meal was to neutralise risk aversion. For the men with more adipose tissue and higher baseline levels of leptin (a hormone that suppresses appetite), who are generally more risk averse, this meant they became less risk averse when performing the task right after eating. By contrast, for men with less adipose tissue and lower leptin levels, who are generally low risk averse, their risk aversion was increased immediately after eating, just as you'd expect based on the behaviour of hungry animals.

An hour after eating gives time for hormonal effects to kick in. As expected, men who reported feeling less hungry an hour after eating, and whose levels of acyl-ghrelin (a hormone that increases appetite) in the blood stream had fallen, played the gambling game in more cautious fashion. 'This parallels findings in foraging animals,' Symmonds told the Digest, 'where changes in metabolic state promote changes in behaviour to maintain or reach a metabolic benchmark (to take more risk if intake rate is relatively low, and less risk if intake is relatively high), but here we see the effect in the economic domain.'

The researchers said their findings have implications for understanding the behaviour of dieters, the obese and people with eating disorders. 'Prandial ghrelin suppression is reduced in obesity,' Symmonds and his co-authors wrote. 'Thus we predict greater risk-seeking in obese individuals following feeding, augmented by larger immediate post-prandial effects on risk taking due to higher baseline adiposity. This mechanism may underpin a component of the aberrant decision-making seen in obese individuals, including impulsivity and reward-seeking behaviour. We also predict profound effects on decision-making for individuals operating at very low baseline energy reserves [i.e. dieters and people with eating disorders]'
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ResearchBlogging.orgSymmonds, M., Emmanuel, J., Drew, M., Batterham, R., & Dolan, R. (2010). Metabolic State Alters Economic Decision Making under Risk in Humans. PLoS ONE, 5 (6) DOI: 10.1371/journal.pone.0011090

Bloggers behind the blogs: David Dobbs

This is part of an ongoing series of interviews with some of the world's leading psychology and neuroscience bloggers.

Next up, David Dobbs of Neuron Culture.

How did you become a psychology/neurosci blogger?

Though mind and brain has probably been my steadiest and most frequent topic — and will almost surely be so now that I'm writing a book about genes and behaviour, I still think of psych and neuroscience as just one of several things I blog about.

They do seem in my wheelhouse, however. I went years without writing about psych or neuroscience, but when I started a few years ago, it felt as if I'd come home. Both my background and the nature of my interest in science areas make natural fodder for me. For starters, my mom was a shrink (no jokes, please), which probably played a role; my dad was a surgeon, and I've always been interested in that too.

Yet it scarcely requires having a shrink as a mom to take a keen interest in how people behave, or misbehave, for this is life's fundamental puzzle. I don't mean from just an intellectual standpoint. You must understand how people behave — and manage your own behavior accordingly — to survive and thrive. This holds for individuals and also accounts for humanity's success, however mixed it is. Small wonder, then, that most of us take a keen interest in how others think and why they behave the way they do.

So that's the behaviour. But why your interest in the sciences that study it?

Science constitutes our most serious and rigorous attempt to understand the world — and psychiatry, psychology, and now neuroscience make great material partly because they so often and starkly show science's power and pitfalls. These disciplines are hard. The people who work in them, whether researching, treating patients or both, are trying to discern and treat enormously complex and opaque dynamics. Some do brilliant work. Others, both now and through the centuries, have come up with some really fascinating wrong ideas, some of them, like phrenology, hare-brained and obviously corrupt, and others, like Freudian psychology, more rigorous but in the end almost as badly flawed empirically. Freud created a brilliant, beautiful, and disciplined body of work — a gorgeously developed account of how we think and behave — that ultimately fails as science because you can't falsify it. Meanwhile, Cajal was figuring out the neuron — and quietly laid a path now being followed to much greater effect.

At their best, these disciplines try to find empirical ways to understand human behavior, mood, and thinking, and to treat problems in the same areas. And even as we're starting to get a few real insights into the brain, these disciplines offer one object lesson after another in the challenges and dangers of science. Take neuroimaging alone. You get brilliant people like Helen Mayberg, who uses imaging to create and test deep, complex, substantial ideas about how depression works. And you get others who claim they can read an fMRI and tell you whether someone is lying. And in between you encounter — sometimes starkly, sometimes subtly — every kind of intellectual, financial, cultural, and personal issue that generate what we call conflicts of interest — that is, the desires and motivations that pull scientists or medical people away from solid, empirically based science and practice and into murky terrain. Meanwhile you get the very cool technical solutions people devise, and the lovely long detective-story-level intellectual puzzles they solve.

All that, and a million alluring ideas about why we act, think, and feel the ways we do. There's no end to the richness.

What's your blog's mission?

Same as my writing in general, only faster. I want to write about science, nature, medicine, culture, and — the big fun — how they overlap. Blogging lets me do this in quicker, more provisional takes. It lets me revise my provisional takes and respond more fluidly to other people's provisional takes. It lets me elaborate or post sources on longform articles I've written for print. It lets me write about things I'll deal with more deeply in my book on behavioral genetics — and on related issues I won't have room for in my book. All that, and I can post YouTube mashups of Soviet soldiers dancing to hip-hop. I can write about curveballs and Sandy Koufax. Twice.

So I suppose the mission is to write seriously, to have and deliver some fun, and to participate in a range of conversations that are going on online.

Are you also on Twitter - if so, how do the two outlets complement each other?

I've really taken to Twitter, and it complements and feeds my blogging enormously. It provides an even faster, more fluid way to communicate and share ideas. And feeds me faster and richer than any other medium.

How does your blogging affect your day job?

I'm a freelancer, so my day job is what I make it. (That sounds so leisurely; it really means I work all day and then again at night. Though I do sometimes go fishing.) I used to view blogging as eating into my real job of writing. Now I see it more coherently as part of it. Though I do have to limit it, since it doesn't pay — not directly, anyway.

What are your weapons of choice - i.e. what blogging platform / hardware do you use and why?

Scienceblogs uses MovableType, so I've no choice there; I find it clumsy and would rather use Wordpress instead. I use MarsEdit (a Mac program) to write most of my posts. I usually write on my big-screen iMac so I have plenty of working room for cutting and pasting and linking and such.

What advice do you have for any budding psychology bloggers out there?

Read and heed Strunk and White, William Zinsser's On Writing Well, and all three of the annual science writing anthologies. Read Strunk and White every year. And read your own stuff out loud (to yourself); you'll be amazed at how quickly it exposes the lame passages.

Finally, read some history and philosophy of science and intellectual history — The Metaphysical Club; A Short History Of Nearly Everything; Newton and the Counterfeiter; Reef Madness; The Great Betrayal. Seeing how clumsy and wrong-headed even great scientists were in the past will help you develop a good bullshit detector — essential to any good writing, especially needed in writing about psychology.

What blogs do you read (list up to five)?

This is representative rather than most visited. A few I find particularly valuable, fun, or interesting lately are Not Exactly Rocket Science, where Ed Yong puts out a stunning combination of quality, quantity, and sheer WTF wonder; Vaughan Bell's Mind Hacks, which offers a lovely combination of bullshit detection and previously undiscovered wonders; and some fine pairs: SuperBug and Speakeasy; Genetic Future and Gene Expression; Neuroanthropology and Neurophilosophy. The Loom. And for literary illumination, n+1, Steamboats Are Ruining Everything, and the New York Review of Books. I could list another dozen quite easily, some it pains me to leave out.

What books or other traditional media are you reading at the moment? (up to five)

Heavy on genetics lately. Recently or presently on my reading table: The Selfish Gene; Here is a Human Being by Misha Angrist, still in galleys; The Immortal Life of Henrietta Lacks; Not By Genes Alone; John Cacioppo's Loneliness; and James Schwartz's absorbing history In Pursuit of the Gene — another one for that recommended history of science list.

And finally, what blog post of yours are you most proud of and why?

I may be missing some early ones. But the one I like the most at present is probably Does depression have an upside? It's complicated. I was responding to 'Depression's Upside,' a feature in the New York Times Magazine in which my friend Jonah Lehrer presented, and largely sided with, an argument for the 'analytic-ruminative' theory, which holds that depression is adaptive because it creates a ruminative focus that generates valuable insight. I disagreed. But as I wrote the post, I realized I disagreed from a side-angle rather than head-on. I badly wanted to convey that, both because the evolutionary foundation of depression is highly important but tricky and multidimensional, and because I so value Jonah's writing. I wanted to convey all that. And when I finished the post I felt I'd done pretty much what I'd hoped. This pleased me and still does, because the time constraints of blog posts make it hard to write clearly about such subtle and complex points — such things usually take me a while, for lo I am slow — and this time I felt I got it.

Now if I can just clean up the typos.

Sunday, June 27, 2010

Bloggers behind the blogs: Mo Costandi

This is part of an ongoing series of interviews with some of the world's leading psychology and neuroscience bloggers.

Next up, Mo Costandi of Neurophilosophy.

How did you become a psychology/neurosci blogger?

Out of boredom. Ten years ago, I was doing a Ph.D. at the MRC Centre for Developmental Neurobiology, but I left the lab without completing it, for various reasons. After a short stint as a secondary school science teacher (which I didn't enjoy) I ended up working as a security guard. The job involved long hours but very little work. I had always enjoyed writing, so I decided to set up a blog. On the Ph.D., I was getting bogged down in the technical details of my experiments, and began to lose sight of the bigger picture, of why I had become interested in neuroscience in the first place. The blog really helped me to rediscover my passion for the subject, because I read and write about virtually all aspects of brain research.

What's your blog's mission?

At the beginning, its purpose was to stop me from going mad in a mind-numbingly boring job. But about three years ago, once I had built up a readership, I started thinking about earning a living as a writer. I decided to stop posting YouTube vids, quick links, and so on, so that I could focus on writing short essay-type posts. The idea was to turn the blog into a sort of portfolio, or showcase, of good quality writing about neuroscience. It paid off - various editors noticed it and offered me freelance work, and a while ago I was contacted by a wonderful literary agent, with whom I'm now working on a book proposal.

Are you also on Twitter - if so, how do the two outlets complement each other?

Yes, I'm on Twitter (@mocost), and I enjoy using it. Blogs were once thought of as being interactive, but in fact they're quite static. Twitter, however, really is interactive, and it's by far the best of all the social media websites I've used. I mainly follow researchers and science writers, and it's a great way of engaging them, as well as anybody else who's on there - my readers, editors, and even some of my favourite musicians. It's also very useful for posting quick links, which I no longer do on the blog, and for finding interesting new stuff too (although it still hasn't replaced my beloved feed reader).

What are your weapons of choice - i.e. what blogging platform / hardware do you use and why?

I started off on Wordpress.com, which I still think is one of the best blogging platforms there is. Three years ago, I moved my blog to the ScienceBlogs network, which uses another platform called Movable Type. As for hardware, I use a desktop PC, a laptop and a netbook. I've used Macs in the past, mainly to analyse DNA sequences while I was in the lab, but I've always preferred PCs.

What advice do you have for any budding psychology bloggers out there?

Write about what you know and are passionate about. Try to write regularly, but don't force yourself to update your blog just for the sake of it. Blogging should be fun, so if the mood doesn't take you, then log out and come back to it later. Building a blog takes time, so it needs perseverance, but if you know what you're talking about, you'll be recognized sooner or later. Also, read and comment on other blogs - that'll help you get noticed - and, although it's nice watching your visitor number increase, don't get too obsessed with your stats.

What blogs do you read (list up to five)?

Other than yours, Mind Hacks, The Neurocritic and Neuroskeptic are essential reading for anyone interested in neuroscience and psychology. I love Carl Zimmer's blog, The Loom, and also BibliOdyssey. There are thousands of great blogs out there, so it's very difficult to list just five. I'd urge everyone to browse my blogroll, which is full of excellent blogs that I try to read when I can.

What books or other traditional media are you reading at the moment? (up to five)

I usually have three or four books on the go at any one time. At the moment I'm reading The Phenomenology of Perception, by the existentialist Maurice Merleau-Ponty, and Adam's Navel: A Natural and Cultural History of the Human Body, by Michael Sims. I like to buy The Guardian on Saturdays, mainly for the Review section, and have been subscribed to The Economist for about 10 years - it's conservative, but very well written and informative.

And finally, what blog post of yours are you most proud of and why?

That'd have to be my post about the pioneering neurosurgeon Wilder Penfield. It's very long - about 6,000 words - but that's not why I'm proud of it. A lot of research went into that post, including reading Penfield's original papers from the 1930s, which I really enjoyed. When I posted it, there were some lovely responses in the comments section and elsewhere. Vaughan Bell - who writes one of my favourite blogs - linked to it, calling it 'probably the best article on Penfield you're likely to find on the net', and I also got an email from William Feindel, the director of the Wilder Penfield Archive, telling me how much he enjoyed reading it. Those are some of the things that make blogging worthwhile.

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Bright Green Pea Dip (that can multi-task as a sandwich spread and veggie side for the kids)

I love a recipe that multi-tasks. And, with the fun but action-packed days of summer, I need a couple of recipes up my sleeve that I can pull together with a moments notice-- with ingredients I have on hand. I made this dip yesterday and it was a hit. Today I plan to serve it for lunch on some crusty bread. And I made such a large quantity that early this coming week, my children will probably see it on their dinner plates as a veggie side, accompanied by some whole wheat pita chips to dip. Originally torn out of a Mark Bittman column in the New York Times' food section, I modified it based upon what I had on hand (or didn't as the case was, so no mint). Note to self: the omission of fresh mint probably made it more kid-friendly, so add it or not, depending upon your audience.

Bright Green Pea Dip
(adapted from Mark Bittman)
1 bag of organic frozen peas
1 box of organic veggie broth (you'll probably use about 1 cup)
3-4 cubes Dorot frozen garlic (or 2 fresh cloves)
handful of shredded parmesan cheese
handful of pine nuts (optional)
fresh mint, chopped (optional)
salt and pepper, to taste

Put the frozen peas into a saucepan or fry pan with just enough veggie broth to cover the peas. Heavy simmer for a few minutes, until the peas are bright green. Try one to make sure they're tender. Drain the peas, reserving the cooking liquid.

In a mixing bowl, combine 1 cup of the cooked peas, the shredded Parmesan, and pine nuts and mint if you're including them. (I did add pine nuts, but left the mint out because I didn't have any.)

In a Cuisinart, puree the remainder of the peas and garlic until smooth (see above). You may add some of the cooking liquid if you'd like to make it really smooth. (I simply pureed the peas, and didn't add anything so there was no need for me to save the cooking broth.)

Add the pureed peas to the mixing bowl, and stir to combine. Add salt and pepper, to taste. And voila, a bright green pea dip that is quick, healthy and a little different in a delicious way.

Last night I served the pea dip surrounded by a couple different varieties of pita chips (not photographed in the bowl yet, since it's so humid here). But, the Bright Green Pea Dip can do double duty as a sandwich spread, and since it's made with peas, some cheese and nuts, it's a kid-friendly veggie side as far as I am concerned!

Picky Tip (since I know a few of you have kiddos bummed out by lumps and bumps in their food): This should be a hit since kids love to dip...But, if your child isn't going to like the chunky consistency then try pureeing all of the peas, along with the cheese (and mint and garlic if you're including them) and omitting the pine nuts and non-pureed peas. You can add some of the cooking broth or some olive oil to make it as smooth as you wish. You'll still have a bright green dip that is healthy and quick.

Enjoy!