Sometimes to make progress in our creative thinking we need to forge ahead in a new direction, setting aside and even forgetting what we’ve tried in the past. But just how intentional does that forgetting need to be?
Redirecting our focus to something entirely new will change our idea landscapes. It can make our previous ideas less accessible to us. This can be a good thing if those ideas were stale or were misleading us.
In a series of experiments, researchers provided participants with a list of several common objects (newspaper, spoon, paperclip, etc.). Each object was accompanied by a list of 4 alternative uses for that object that the participant was asked to study. Here, for instance, are the 4 alternative uses for “bucket”: music amplifier, seat, wear as a hat, small bathtub.
Asked a short while later to generate new uses for the same common objects participants often showed that they had unintentionally forgotten many of the alternative uses they had studied earlier. This “thinking-induced forgetting” was apparent even when participants were given specific cues to help them to remember the studied items.
When the researchers evaluated the creativity of the suggested alternative uses that the participants had generated they found something intriguing. The thinking-induced forgetting was greater for those who were the most creative.
As the researchers explained: “by inhibiting or in some way setting aside the studied uses, participants were able to explore a more diverse and original search space, leading them to generate more creative uses.”
In another experiment, though, the researchers found that if the participants were instructed to use the provided 4 uses as hints to generate additional alternative uses—then there was no thinking-induced forgetting. The same information, now used as hints, for possible uses for a bucket (music amplifier, seat, wear as a hat, small bathtub) was now no longer forgotten and acted to associatively cue ideas that were less creative.
The fate of the provided uses was different depending on how the participants were asked to treat them—either as something to avoid or as something to prompt their idea generation. In the hint condition there was less forgetting—but also less creativity.
From a broader perspective, this illustrates ongoing and adaptive changes in our dynamic idea landscapes with some ideas becoming more reachable and others less accessible. In our idea landscapes thoughts are always forming and re-forming, with some ideas rising to peak awareness and others receding.
—> For more on the experiments described above see:
Benjamin C. Storm and Trisha N. Patel (2014). Forgetting as a consequence and enabler of creative thinking. Journal of Experimental Psychology: Learning, Memory, and Cognition, volume 40, number 6, pages 1594-1609. The quotation is found on page 1603.
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