Business Management

Let's not let our visual sense override our aural perception…

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Scientists from England and Germany under the leadership of Michael Hunter provided data that many of us considered to be fact.  The researchers were curious about our sense of tranquility, a state they define as one that arises due to natural environmental features.  They had found that the auditory characteristics of freeway traffic and waves breaking on the beach have similar spectral and temporal qualities (meaning that their basic sounds and natures are similar).  The portions of the brains that were affected included the medial prefrontal cortex, the posterior cingulate gyrus, the temporoparietal cortex  (TPC) and the thalamus.   They published their results in the November 2010 issue of NeuroImage.

Twelve (12) subjects connected to MRI units,  were shown 3.5 second clips of freeway traffic and beach scenes.  Separately, the subjects heard the audio portion (only), with the same brain scans performed. When just the auditory portions were provided to the  subjects, the brain areas were excited in similar fashion.  However, once the tranquil photographs were provided in concert with their sounds, there was significant connectivity between the auditory cortex and the medial prefrontal cortex.  (This is the brain region associated with our emotional mental state), as well as with the gyrus, thalamus, and the TPC.  Using the non-tranquil images (highway traffic) did not excite these regions significantly.  (The authors use the term synchronized and non-synchronized.)

So,  we have two things to determine.  First, what stimuli produce similar responses in the brain (we are actually looking for stimuli that produce positive stimuli to the brain).   Then, use those stimuli when parallel events (similar to the beach and traffic sounds) are obtaining to reduce our unease with the situation in which we find ourselves.000

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27 thoughts on “Let's not let our visual sense override our aural perception…”

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