Is low thyroid correlated with poor concentration?

Hypothyroidism: Hypothyroidism can impact cognition. "Studies report decrements in general intelligence, attention/concentration, memory, perceptual function, language, psychomotor function, and executive function. " REF: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4264616/#:~:text=Overt%20hypothyroidism%20can%20affect%20a,psychomotor%20function%2C%20and%20executive%20function.