Metacognition is an important feature of the cognitive approaches to psychopathology. What are the best clinical, neuropsychological measures, from your perspective?
I agree with Dr. Miedijensky's suggested papers, you're hard pressed to find a greater expert on the neuroscience of metacognition than Dr. Stephen Fleming.
From a clinical perspective I might suggest the Metacognitive Awareness Inventory (MAI):
Article Evaluating the Metacognitive Awareness Inventory using empir...
You may also consider the The Metacognition Self-Assessment Scale (MSAS):