The definition of maladroit is  awkward or showing a lack of skills. An example of a maladroit person is an employee who cannot accomplish the simplest tasks of the job. noun Maladroit is defined as a person with a lack of skills.
Even within Working Memory (the next step after Sensory Memory), the verbal/non-verbal information is processed separately. Verbal input is attended to and processed in your brain's phonological loop. Visual input is attended to and processed on your brain's visuospatial sketchpad. From these two different locations, the information is encoded (transferred) to long-term memory.
As with all vertebrates, nerve cells in the human eye separate an image into different image channels once it has been projected onto the retina and pre-sorted information is then transmitted to the brain as parallel image sequences. Perception by the brain is another matter.