Calliope Holingue is a psychiatric epidemiologist at the Kennedy Krieger Institute in Baltimore, Maryland.
![](https://www.thetransmitter.org/wp-content/uploads/2017/12/Calliope-Holingue-photo.jpg)
Calliope Holingue
Graduate student
Johns Hopkins University
From this contributor
Autism studies hampered by lack of reliable test for gut problems
Experts from various fields should work with parents to develop a standardized questionnaire for gut problems in people with autism.
![](https://www.thetransmitter.org/wp-content/uploads/2017/12/Spectrum_GastroIntestinal_FINAL_REVISED_1.jpg)
Autism studies hampered by lack of reliable test for gut problems
Explore more from The Transmitter
Cell population in brainstem coordinates cough, new study shows
The work also adds to a growing body of evidence showing that mice, and their genetic toolbox, can be used to study cough.
![](https://www.thetransmitter.org/wp-content/uploads/2024/09/1200_coughingmice-1024x720.webp)
Cell population in brainstem coordinates cough, new study shows
The work also adds to a growing body of evidence showing that mice, and their genetic toolbox, can be used to study cough.
In updated U.S. autism bill, Congress calls for funding boost, expanded scope
The current Autism CARES Act sunsets in late September.
![Capitol building](https://www.thetransmitter.org/wp-content/uploads/2024/09/capitolhill-1200-1024x692.webp)
In updated U.S. autism bill, Congress calls for funding boost, expanded scope
The current Autism CARES Act sunsets in late September.
Ketamine targets lateral habenula, setting off cascade of antidepressant effects
The drug’s affinity for overactive cells in the “anti-reward” region may help explain its rapid and long-lasting results.
![Illustration of ketamine blocking open ion channels in active NMDA receptors, quieting the cells and disrupting downstream signaling involved in depression.](https://www.thetransmitter.org/wp-content/uploads/2024/09/1200-ketamine-receptor-transmitter-neuroscience-1024x683.webp)
Ketamine targets lateral habenula, setting off cascade of antidepressant effects
The drug’s affinity for overactive cells in the “anti-reward” region may help explain its rapid and long-lasting results.