Cognitive Blind Spot
There are several types of cognitive blind spots and these are more commonly called cognitive biases.
For a complete list of blind spots, please see Russell's Brain. What is the "biggest" looming human blind spot? See Existential Cognitive Dissonance Theory.
Cognitive bias is a general term that is used to describe many distortions in the human mind that are difficult to eliminate and that lead to perceptual distortion, inaccurate judgment, or illogical interpretation.
Theme Zoom co-inventor Russell Wright is in the process of compiling a list of practical implications and "brain hacks" for the many types of cognitive biases that exist in the human experience. The most interesting blind spots and cognitive biases are evident in the field of neuromarketing and neuroeconomics.
There is a whole list of cognitve biases and blind spots of which you should be aware.
To learn more about how cognitive blind spots may negatively effect your online marketing efforts, visit the Theme Zoom Blog and the Blind Spots section in the Theme Zoom bookstore.