Alzheimer Disease
Mild cognitive impairment (MCI) manifests as memory impairment in the absence of dementia and progresses to Alzheimer's disease (AD) at a rate of around 15% per annum, versus 1–2% in the general population. It thus constitutes a primary target for investigation of early markers of AD. Language deficits occur early[…][dx.doi.org]
Attention Deficit Hyperactivity Disorder
Some children with ADHD exhibit mostly inattentive behaviors and others predominantly hyperactive and impulsive.[childmind.org]
[…] of symptoms of inattention and behavioral dysregulation.[ncbi.nlm.nih.gov]
ADHD and working memory: the impact of central executive deficits and exceeding storage/rehearsal capacity on observed inattentive behavior. J. Abnorm.[doi.org]
Narcolepsy
Paradoxically, preschool and young children may show inattentiveness, emotional lability, and hyperactive behavior.[ncbi.nlm.nih.gov]
Excessive daytime sleepiness presenting as chronic drowsiness or irritability could be stigmatized as laziness or misinterpreted as behavior or inattention disorder.[ncbi.nlm.nih.gov]
This intense and persistent sleepiness often leads to inattention and drowsiness.[healthysleep.med.harvard.edu]
Anemia
The only other study reporting behavior ( Cantwell 1974 ) reported that anemic children were inattentive and hyperactive but gave no details.[web.archive.org]
Alcohol Abuse
Signs of alcohol abuse include: Loss of control over amount consumed once they begin drinking Regular inattention to family and professional obligations Dangerous behaviors[timberlineknolls.com]
Hypoglycemia
[…] changes Lack of coordination Inattention and confusion Seizures Loss of consciousness What causes low blood sugars?[dtc.ucsf.edu]
[…] blood sugar: Shaking, sweating, rapid heartbeat Change in vision Hunger Headache Sudden moodiness Severe symptoms of low blood sugar requiring immediate medical attention: Behavior[dtc.ucsf.edu]
Pregnancy
Burgess, EFA supplementation in children with inattention, hyperactivity, and other disruptive behaviors, Lipids, 38, 10, (1007-1021), (2003).[doi.org]
Chronic Alcoholism
Signs of alcohol abuse include: Loss of control over amount consumed once they begin drinking Regular inattention to family and professional obligations Dangerous behaviors[timberlineknolls.com]
Delirium
Mental disorders, unlike delirium, almost never cause inattention or fluctuating consciousness, and onset of mental disorders is nearly always subacute.[msdmanuals.com]
Sundowning (behavioral deterioration during evening hours), which is common among institutionalized patients with dementia, may be difficult to differentiate; newly symptomatic[msdmanuals.com]
Otitis Media
behavior until age 15 years. 76 The largest effects were observed for defects in reading ability between 11 and 18 years.[doi.org]
[…] aggressiveness. 75 In a large cohort study, for example, OME severity from age 5 to 9 years correlated with a lower intelligence quotient to age 13 years and with hyperactive and inattentive[doi.org]