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Sleep Deficiency Linked to Atrophy of the Inferior Parietal Region of the Brain

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Associations seen between less short wave sleep and rapid eye movement sleep with smaller inferior parietal region volumes

Persistent Postconcussion Changes Seen in Cerebral Blood Flow

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Persistent changes seen in CBF and white matter at return-to-play and up to one year later

Menopausal Hormone Therapy Linked to Faster Regional Tau Accumulation in Older Women

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Hormone therapy has indirect effect on cognitive decline through regional tau accumulation; no links with tau for women younger than 70 years

Heavy Cannabis Use May Lower Brain Activation on Working Memory Task

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Anterior insula, medial prefrontal cortex, and dorsolateral prefrontal cortex associated with history of heavy use

Older Brain Age Observed in Adults With Sickle Cell Anemia

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Higher economic deprivation also associated with brain age gap in controls without sickle cell anemia

New Criteria Developed for Appropriate Use of Amyloid, Tau PET

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17 clinical scenarios developed for which amyloid or tau PET may be considered

Automated Analysis of 2D Camera Recordings Improves Detection of Isolated REM Sleep Behavior Disorder

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Highest performance seen by combining five features but only analyzing short (0.1- to 2-second duration) movements

Epilepsy Associated With Poor Brain Health

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In longitudinal analysis, epilepsy population had elevated risk for neurological diseases and psychiatric disorders

Preexisting Neuroanatomical Variability Linked to Pediatric Substance Use

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Most associations, including thinner prefrontal cortex and greater whole brain volume, precede substance use initiation

Review Shows Inverse Link Between Fluoride Exposure and Children’s IQ

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Accompanying editorial indicates no evidence of an adverse effect at lower water fluoride levels commonly used in water systems