Pars II · Lectiones
Category: neuropsychology
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neuropsychology
ADHD and Processing Speed: Why Time Pressure Drops IQ Scores
Processing speed is how fast your brain handles simple cognitive tasks — recognizing symbols, scanning visual information, matching...
2 min read
neuropsychology
ADHD and Working Memory: Why It Hurts IQ Test Scores
Working memory is the cognitive system that holds and manipulates information for short periods — like remembering a phone number while you...
2 min read
neuropsychology
ADHD and IQ: Why Smart People Score Lower on IQ Tests
Nearly 60% of adults with ADHD score significantly higher on IQ when working memory and processing speed are removed from the calculation. This isn't about intelligence — it's about neurology.
6 min read
neuropsychology
Brain Fog and IQ: How Brain Fog Drops Test Scores 3–9 Points
A 2024 NEJM study on 112,000 participants found that long COVID lowers cognitive performance by the equivalent of 6 IQ points. But brain fog has many faces — and most of them are reversible.
6 min read