Publications by authors named "Maroun Abi Younes"
Article Synopsis
- The survival of animals relies on their ability to choose the right behaviors in response to various stimuli, with specific neural circuits involved in these decisions.
- Research highlights a pathway in the habenulo-interpeduncular nucleus (Hb-IPN) that plays a key role in mediating distinct aversive behaviors through cholinergic and non-cholinergic neurons.
- Findings show that cholinergic neurons trigger excitatory signals in IPN neurons, which then inhibit non-cholinergic neuron activity, suggesting a competitive interaction between these neural populations that shapes aversive responses.
Article Synopsis
- The study investigates the role of cholinergic neurotransmission in spinal cord development using zebrafish as a model organism.
- It highlights that spinal motoneurons in 1-day-old embryos express key cholinergic genes, but there is a significant decrease in their expression as the embryos develop, especially from the head to the tail.
- The research suggests that while presynaptic cholinergic gene expression decreases, nicotinic acetylcholine receptors remain consistent, indicating that cholinergic signaling might be crucial for forming the spinal cord's locomotor circuits.
