A to Z

blood flow

·July 15, 2015·3 min read

A Hole Lot of Smarts

According to a new study, intelligence in animal species can be estimated by the size of the holes in the skull through which the arteries pass.

Featured Neuroscience

·January 9, 2023·6 min read

A New Way to Monitor Blood Flow in the Brain

A newly developed technique called parallel near-infrared interferometric spectroscopy (πNIRS) significantly improves the monitoring of cerebral blood flow throughout the brain.

Image shows 23 week human culture astrocyte stained for GFAP.

Featured Neurology

·June 8, 2015·5 min read

Astrocytes Help Regulate Blood Pressure and Blood Flow in the Brain

Astrocytes appear to help keep blood pressure and blood flow inside the brain healthy, a new study reports.

Featured Neurology Neuroscience

·August 26, 2025·8 min read

Blood Flow Dynamics Reveal Early Signs of Alzheimer’s Disease

Researchers have developed a non-invasive diagnostic tool for Alzheimer’s disease that measures how the brain regulates blood flow and oxygen. Called the Cerebrovascular Dynamics Index (CDI), it uses Doppler ultrasound and near-infrared spectroscopy to assess vascular responsiveness.

Featured Neurology Neuroscience

·May 29, 2024·4 min read

Blood Flow Waves Wash Across Brain Surface

Researchers visualized the full network of blood vessels in awake mice, discovering rhythmic expansions and contractions that create blood flow waves across the brain's surface. This study reveals new insights into brain blood supply, though the function of these waves remains unclear.

Featured Neurology Neuroscience

·October 26, 2024·3 min read

Brain Blood Flow Issues Linked to Mild Cognitive Impairment

Older adults with mild cognitive impairment (MCI) face higher cerebrovascular impedance, or resistance in brain blood flow, according to a new study. Researchers found this increased resistance leads to hypoperfusion, or reduced blood flow in the brain, which may contribute to cognitive difficulties in aging adults.

Featured Neuroscience

·April 26, 2024·4 min read

Brain Blood Flow Syncs with Visual Stimuli

Researchers pioneered a new method to monitor blood vessel dynamics in the mouse brain, revealing that visual stimuli can synchronize vasomotion, potentially improving brain function. By exposing mice to a specific pattern of horizontally moving stripes, the team observed that vasomotion matched the stimulus pattern's speed and spread throughout the brain.

This image is a cartoon of a woman laying awake in bed.

Featured Neurology

·June 10, 2015·3 min read

Brain Changes Reflect Higher Risk of Stroke in Women Who Experience More Nighttime Hot Flashes

A new study examines the connection between hot flashes in menopause and brain health.

Featured Neurology Neuroscience

·October 12, 2020·3 min read

Brain Regions With Impaired Blood Flow Have Higher Tau Levels

Impaired blood flow to specific areas of the brain coincides with Tau buildup in Alzheimer's patients. As cognition declines, the relationship between vascular dysfunction and Tau accumulation strengthens.