Food Memory (& The Hippocampi)

Memory is the diary we all carry about with us.
~Oscar Wilde

Another long held food hypothesis thankfully proven lab sound:  memory influences eating and food choices. Researchers at the University of Bristol explored the nexus between satiety and memory, and their findings were published in a recent issue of the journal PLoS (Public Library of Science). They isolated the extent to which memory for a recently consumed meal influences hunger and fullness over a 3 hour period — by covertly refilling or drawing soup from bowls while participants dined. A scientific trompe-l’œil of sorts.

The study noted that those who engage in distracting tasks (e.g., watching television or playing a computer game) while eating suffer memory impairment not only for that meal but also experience increased hunger in the interim and then enhanced consumption at their subsequent meal. They are not making memories of their food, and may be setting themselves up for munchies later. Distraction likely influences eating rate, mood, and level of stress, all known to moderate appetite and food intake. Ever see a svelte driver hurriedly munching on a midday burger while yakking on a bluetooth earpiece and anxiously navigating traffic between meetings?

While stopping short of drawing a cause-and-effect relationship between hunger and memory, the Bristol team’s research was consistent with emerging literature on “memory for recent eating” and opened avenues to further studies. Their observations did provide evidence that hippocampal memories often mobilize behavioral responses to food.

Seems like even more than a starter. Just try that terrifying act of shutting off the gadgets and sitting down to really savor your meal, not just once but more than…

(Perhaps this research may apply to other human endeavors.)

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