Sluggish cognitive tempo (SCT) is a cluster of symptoms, and possibly a distinct disorder, characterized by the individual being daydreamy, mentally foggy, easily confused, and staring frequently. Individuals also have symptoms of hypoactivity, lethargy, slow movement, and even sleepiness. Children with SCT appeared to have slow processing speed and reaction times. Compared to individuals with ADHD, children with SCT have far lower rates of comorbid oppositional defiant disorder and conduct disorder, a higher occurrence of anxiety symptoms and even disorders, and possibly a greater occurrence of depression. Most consistent across studies was a pattern of social withdrawal in interactions with peers rather than the social intrusiveness, aggressiveness, and rejection so often evident in ADHD. SCT is strongly correlated with ADHD inattentive subtype. However, SCT can be found in individuals who would not receive an ADHD diagnosis, and it can also be found in some individuals with ADHD hyperactivity/impulsivity.
Read more about Sluggish Cognitive Tempo: History, Epidemiology, Causes, Treatment, Prognosis, Prevention, History of The Term SCT and Its Relationship To The DSM, Relationship To Dysexecutive Syndrome
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