Neurobiology.  Working memory helps the mind focus.
Wickelgren
I
I
D000818:Animals; D001288:Attention / Q000502:physiology*; D001921:Brain / Q000502:physiology*; D001931:Brain Mapping; D005145:Face; D005556:Form Perception; D000882:Haplorhini; D006801:Humans; D008279:Magnetic Resonance Imaging; D008570:Memory, Short-Term / Q000502:physiology*; D011939:Mental Recall; D010364:Pattern Recognition, Visual; D017397:Prefrontal Cortex / Q000502:physiology*