Dendrites
Recent articles
Synaptic anomalies in autistic people support imbalance hypothesis
Increased excitatory and decreased inhibitory synapses in the prefrontal cortex of autistic people suggest broader impacts on brain function and connectivity.
![Research image of excitatory synapses in the prefrontal cortex.](https://www.thetransmitter.org/wp-content/uploads/2024/06/Fig2BD3BD-1200-1024x692.webp)
Synaptic anomalies in autistic people support imbalance hypothesis
Increased excitatory and decreased inhibitory synapses in the prefrontal cortex of autistic people suggest broader impacts on brain function and connectivity.
Autism subgroups converge on cell growth pathway
Faulty mTOR signaling, implicated in syndromic forms of autism, also hinders cells grown from people with idiopathic autism or autism-linked deletions on chromosome 16.
![Neural progenitor cells in a culture medium, color-enhanced scanning electron micrograph (SEM).](https://www.thetransmitter.org/wp-content/uploads/2024/04/844-autism-forms-converge-cell-growth-pathway.jpg)
Autism subgroups converge on cell growth pathway
Faulty mTOR signaling, implicated in syndromic forms of autism, also hinders cells grown from people with idiopathic autism or autism-linked deletions on chromosome 16.
Neurons making memories shush their neighbors
When neurons strengthen their synapses, they “infect” surrounding cells with a virus-like protein to weaken those cells’ excitatory connections, according to a new preprint.
![](https://www.thetransmitter.org/wp-content/uploads/2024/03/ArcwithBlack-844-1024x681.webp)
Neurons making memories shush their neighbors
When neurons strengthen their synapses, they “infect” surrounding cells with a virus-like protein to weaken those cells’ excitatory connections, according to a new preprint.
Microglial overreaction to atypical neurons may drive autism
In mice and organoids lacking a neuronal protein, microglia prune synapses to excess.
![Research image of microglia in mice.](https://www.thetransmitter.org/wp-content/uploads/2023/12/1200-microglia-pruning-transmitter-neuroscience-1024x683.webp)
Microglial overreaction to atypical neurons may drive autism
In mice and organoids lacking a neuronal protein, microglia prune synapses to excess.
Top autism-linked genes join forces to shape synaptic plasticity
The protein products of ANK2 and SCN2A interact to regulate dendritic excitability.
![A research image of neuronal dendrites in mice.](https://www.thetransmitter.org/wp-content/uploads/2024/01/1200-spectrum-autism-transmitter-neuroscience-gene-convergence-Scn2a-Ank2-1024x683.webp)
Top autism-linked genes join forces to shape synaptic plasticity
The protein products of ANK2 and SCN2A interact to regulate dendritic excitability.
Mutations in multipurpose gene deal dendrites a double whammy
The mutations disrupt protein translation as well as the cell’s skeleton, according to a new study.
![Research image of mutations in mouse cortical neurons.](https://www.thetransmitter.org/wp-content/uploads/2023/10/1200-EEF1A2-autism.webp)
Mutations in multipurpose gene deal dendrites a double whammy
The mutations disrupt protein translation as well as the cell’s skeleton, according to a new study.
Abundant motor proteins disrupt cries in FOXP2 mice
Knocking down the gene that codes for the proteins normalizes the vocalizations.
![Research image of neurons.](https://www.thetransmitter.org/wp-content/uploads/2023/07/1200-lede-foxp2-autism.png)
Abundant motor proteins disrupt cries in FOXP2 mice
Knocking down the gene that codes for the proteins normalizes the vocalizations.
Autism’s ties to the cell skeleton
Many genes related to the condition play a role in the internal scaffolding of cells, and cytoskeletal disruptions can affect neurodevelopment and behavior.
Autism’s ties to the cell skeleton
Many genes related to the condition play a role in the internal scaffolding of cells, and cytoskeletal disruptions can affect neurodevelopment and behavior.
Wiring map reveals how larval fruit fly brain converts sensory signals to movement
The map diagrams more than half a million neuronal connections in the first complete connectome of Drosophila and holds clues about which brain architectures best support learning.
Wiring map reveals how larval fruit fly brain converts sensory signals to movement
The map diagrams more than half a million neuronal connections in the first complete connectome of Drosophila and holds clues about which brain architectures best support learning.
Neurons struggle to spike without fragile X gene
FMR1 loss impairs sodium channels, hindering mouse neurons from generating the electrical signals needed to transmit information.
![an image of a neuron](https://www.thetransmitter.org/wp-content/uploads/2023/02/844-final-1.png)
Neurons struggle to spike without fragile X gene
FMR1 loss impairs sodium channels, hindering mouse neurons from generating the electrical signals needed to transmit information.
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.