Daily Neuroscience for 10 April: ADHD Stimulants, MICrONS Connectome, BOLD Metabolism, Red Nucleus
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Daily Neuroscience for 10 April: ADHD Stimulants, MICrONS Connectome, BOLD Metabolism, Red Nucleus
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概要
Daily Neuroscience for 10 April follows 4 stories from r/neuro and r/neuroscience, moving through adhd stimulants, microns connectome, bold metabolism, red nucleus.
- (00:00) - Intro
- (00:15) - ADHD Stimulants
- (01:36) - MICrONS Connectome
- (02:55) - BOLD Metabolism
- (04:23) - Red Nucleus
- (05:58) - Closing
1. ADHD Stimulants
This story from PubMed Central looks at a study suggesting that long-term therapeutic stimulant use in people with ADHD is associated with more favorable brain structure in certain regions. The original post is a brief reaction to the paper and asks for thoughts on how stimulants may affect dopamine and norepinephrine systems.
Source link
Reddit discussion
2. MICrONS Connectome
This story is about the MICrONS project, reported by Nature, which lays out a detailed map of mouse brain wiring at a scale neuroscience has not really had before. The project spans about 200,000 cells and 523 million connections in the primary visual cortex and nearby areas, with functional recordings from roughly 75,000 neurons.
Source link
Reddit discussion
3. BOLD Metabolism
This story is about a Nature paper on fMRI and the BOLD signal, and it is being discussed in r/neuroscience. The study reports that in roughly 40 percent of voxels with significant signal change, oxygen metabolism can move in the opposite direction from what the usual BOLD interpretation would predict, especially in the default mode network.
Source link
Reddit discussion
4. Red Nucleus
A Nature paper looks at the human red nucleus, a brainstem structure long associated with movement in other animals, and argues that in people it may be more involved in goal-directed action than in simple motor relay. The study combines precision mapping in a handful of deeply scanned individuals with large resting-state and task datasets, and finds that the red nucleus connects more strongly to action-control and salience networks than to the hand, foot, and mouth motor pathways.
Source link
Reddit discussion
That is Daily Neuroscience for April 10.