Here's a study that shows that familiarity breeds mindlessness...
When shown climbers and non-climbers were shown photographs of mountain climbing handholds, only the non-climbers were seen to activate analytical areas in the left hemisphere (another dark side to expertise):
This mindlessness for familiar things is what makes inventors by profession use techniques of deconstruction or attribute listing to help break their preconceived impressions of an object or situation.
In the second link below, see how students are more likely to use unfamiliar objects for novel applications if they are given items that aren't specifically named or identified.
These are good reminders not to spoon-feed conclusions if you want discoveries to happen.
Familiarity, Door Knobs, and fMRI
Labeling Inhibits Creativity
Eide Neurolearning Blog: The "Dark Side" of Expertise
Creativity Techniques at MindTools