neurodegeneration
Alzheimer’s Should be Characterized by Biomarkers: Report
Alzheimer’s Should be Characterized by Biomarkers: Report
Diana Kwon | Apr 10, 2018
A proposed definition of the disease emphasizes signs of neurodegeneration and the presence of β-amyloid and tau, rather than cognitive symptoms.
Image of the Day: Aging Brain Cells
Image of the Day: Aging Brain Cells
The Scientist Staff, The Scientist Staff | Mar 13, 2018
Scientists identified a gene involved in the age-related deterioration of mouse neural stem cells.
Study Finds No Neurogenesis in Adult Humans’ Hippocampi
Study Finds No Neurogenesis in Adult Humans’ Hippocampi
Ashley Yeager | Mar 7, 2018
Failure to produce evidence of neural precursor cells and immature neurons raises questions about the role of the process in learning and memory.
Prosthetic Retinas Help Blind Mice See
Prosthetic Retinas Help Blind Mice See
Ashley Yeager | Mar 6, 2018
Artificial photoreceptors made of nanowires help restore blind animals’ sensitivity to light.
Researchers Develop Potential Blood Test for Alzheimer’s Disease
Researchers Develop Potential Blood Test for Alzheimer’s Disease
Catherine Offord | Feb 2, 2018
The test uses levels of plasma amyloid-β to estimate the buildup of protein plaques in the brain.
Cellular Senescence in Astrocytes May Play Central Role in Parkinson’s Disease
Cellular Senescence in Astrocytes May Play Central Role in Parkinson’s Disease
Katarina Zimmer | Jan 24, 2018
The elimination of these glia in the mouse brain ameliorated the development of Parkinsonian neuropathologies induced by the pesticide toxin paraquat.  
Neuroscientist and Champion of Glia Research Dies
Neuroscientist and Champion of Glia Research Dies
Kerry Grens | Dec 28, 2017
Ben Barres of Stanford University described glia’s roles in ensuring neurons’ proper synapse formation and in responding to brain injury.
CRISPR Proves Promising for Treating ALS in Mice
CRISPR Proves Promising for Treating ALS in Mice
Katarina Zimmer | Dec 21, 2017
The gene-editing tool was effective in disabling a defective gene responsible for some forms of amyotrophic lateral sclerosis. 
Study Pinpoints Potential “Master Regulator” of Age-Related Cognitive Decline
Study Pinpoints Potential “Master Regulator” of Age-Related Cognitive Decline
Shawna Williams | Dec 18, 2017
Upping a gene’s expression in rat brains made them better learners and normalized the activity of hundreds of other genes to resemble the brains of younger animals.
Thousands of Mutations Accumulate in the Human Brain Over a Lifetime
Thousands of Mutations Accumulate in the Human Brain Over a Lifetime
Ruth Williams | Dec 7, 2017
Single-cell genome analyses reveal the amount of mutations a human brain cell will collect from its fetal beginnings until death.