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Morphine drip
Morphine Tolerance Pathway Identified in Mice
Prolonged exposure to morphine triggers cells in the spine to release signaling molecules that increase pain sensitivity and dull the relief of the drug. Blocking this activity could improve pain management.
Morphine Tolerance Pathway Identified in Mice
Morphine Tolerance Pathway Identified in Mice

Prolonged exposure to morphine triggers cells in the spine to release signaling molecules that increase pain sensitivity and dull the relief of the drug. Blocking this activity could improve pain management.

Prolonged exposure to morphine triggers cells in the spine to release signaling molecules that increase pain sensitivity and dull the relief of the drug. Blocking this activity could improve pain management.

neurons

illustration of a blue neuron lit with red
Neuron-Released Protein Can Set Off Inflammation: Study
Marcus A. Banks | Aug 19, 2021 | 3 min read
Research in mice suggests that moderating nerve activity with drugs or electrical pulses could modify tissue immune responses, curtailing the chronic pain often associated with inflammatory conditions.
Hippocampal neurons are labeled in blue and purple on a black background
New Role for Leptin: Promoting Synapse Formation in Rat Neurons
Abby Olena, PhD | May 20, 2021 | 3 min read
The hormone, which is well known for regulating appetite, appears to influence neuronal development—a finding that could shed light on disorders such as autism that involve dysfunctional synapse formation.
Clues to the Origin and Function of the Brain’s Alpha Waves
Amanda Heidt | Oct 1, 2020 | 2 min read
Patterns of neural activity known as alpha waves, long thought to originate in the thalamus, may actually stem from a different brain region entirely.
Immune Cell and Its Cytokine Control Exploratory Behavior in Mice
Ashley Yeager | Sep 14, 2020 | 5 min read
Gamma delta T cells in the meninges of the brain release a cell signaling molecule that does more than protect mice from microbial pathogens.
Researchers Make Mice Smell Odors that Aren’t Really There
Ruth Williams | Jun 18, 2020 | 3 min read
Using optogenetics, scientists have simulated the sense of smell directly within the mouse brain to investigate the nature of olfactory perception.
Image of the Day: A Mouse Brain Slice Becomes Art
Amy Schleunes | Apr 1, 2020 | 1 min read
A fluorescent image of murine hippocampal cells is the winning microscopy image from more than 400 submissions from 65 countries for Olympus’s 2019 Image of the Year Award.
Artificial Intelligence Decodes Speech from Brain Activity: Study
Lisa Winter | Mar 31, 2020 | 2 min read
The technology, tested out on patients with epilepsy who already had electrodes implanted in their brains, is currently limited to 30–50 sentences.
a photograph of a Greenland shark
Isotopic Bomb Traces Are a Boon to Biological Dating
Shawna Williams | Feb 21, 2020 | 6 min read
The decades-old signature of nuclear testing can reveal the ages of organisms, or even individual cells.
Image of the Day: Neural Branching Gene
Emily Makowski | Jan 20, 2020 | 1 min read
A gene involved in a newly described syndrome affects neural functioning in fruit fly embryos.
Image of the Day: Moth Movement
Emily Makowski | Jan 2, 2020 | 1 min read
Neuronal signal timing is crucial for muscle coordination during flight.
Image of the Day: Sciency Sweater
Emily Makowski | Dec 20, 2019 | 1 min read
An evolutionary biologist knits a festive homage to her research.
image of two small electronic patches embedded in a brain
Speech Decoded from Brain Activity in Area for Hand Control
Shawna Williams | Dec 10, 2019 | 3 min read
The surprising finding comes courtesy of two study participants with implanted electrode arrays that record activity at single-neuron resolution.
Infographic: What’s in a Mitochondrion?
Jef Akst | Dec 1, 2019 | 1 min read
A study finds variations in the levels of proteins for some important processes among organelles from different brain cells.
Image of the Day: Virtual Landscape
Emily Makowski | Nov 25, 2019 | 2 min read
Flashing lights activate fly navigation neurons.
Organoids Don’t Accurately Model Human Brain Development
Diana Kwon | Oct 23, 2019 | 5 min read
A new study suggests that growing in a stressful environment prevents “brains-in-a-dish” from growing in the same way as their in vivo counterparts.
Image of the Day: DISCO Tissue Clearing
Emily Makowski | Oct 22, 2019 | 1 min read
New methods of visualizing tissue are presented at the Society for Neuroscience meeting.
Glowing Proteins Enable Stem Cell Stimulation for Stroke Recovery in Mice
Nicoletta Lanese | Oct 1, 2019 | 3 min read
A new method helps neural stem cells form synaptic connections, thereby restoring lost brain function.
traced mouse neurons
Image of the Day: Brain Map
Nicoletta Lanese | Sep 6, 2019 | 1 min read
Scientists traced 1,000 neurons through the mouse brain, uncovering new details about how the organ is wired.
Image of the Day: Imposter Neurons
Carolyn Wilke | Mar 1, 2019 | 1 min read
Researchers have implanted electronics masquerading as neurons in the brains of mice.
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