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#abcd

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Mines de Rayons

K comme Kilogramme

En cette période de l’année, le sujet des kilos en trop n’est pas forcément le plus populaire. Mais rassurez-vous, si il y a une chose qui peut peser encore plus lourd, c’est le vélo.

Imaginez un monde où pour déménager une machine à laver on ferait systématiquement appel à un convoi exceptionnel… Absurde, non ? C’est pourtant l’écart que nous faisons tous lorsque pour déplacer une personne sur 5 km nous prenons une voiture d’une tonne et demie au lieu d’un vélo de 12 kg…

Et pour les courses hebdomadaires ? Les sacoches s’accrochent sur le porte bagage, et le caddie de course peut…

Lire la suite :
minesderayons.fr/2025/01/23/k-

Le vélo-cargo électrique de Mines de Rayons, avec sa remorque attachée à l'arrière, sont stationnés devant le local de l'association. Un gros canapé est solidement sanglé sur la remorque. Ça donne l'impression que la plus grosse difficulté n'est pas le transport à vélo, mais le passage de la porte cochère !
#velo#abcd
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bk

Kids (~10 yrs) with Disruptive Behavior Disorders show reduced #NucleusAccumbens activity during monetary reward anticipation ( #ICYMI , #FMRI , #ABCD , #MIDTask , #neuroscience , #neurophenotyping )...

psychiatryonline.org/doi/full/

American Journal of PsychiatryReward Processing in Children With Disruptive Behavior Disorders and Callous-Unemotional Traits in the ABCD Study | American Journal of PsychiatryObjective: Disrupted reward processing is implicated in the etiology of disruptive behavior disorders (DBDs) and callous-unemotional traits. However, neuroimaging investigations of reward processing underlying these phenotypes remain sparse. The authors examined neural sensitivity in response to reward anticipation and receipt among youths with DBDs, with and without callous-unemotional traits. Methods: Data were obtained from the Adolescent Brain and Cognitive Development Study (mean age=9.51 years [SD=0.50]; 49% female). Reward-related activation during the monetary incentive delay task was examined across 16 brain regions, including the amygdala, anterior cingulate cortex (ACC), nucleus accumbens (NAcc), and orbitofrontal cortex (OFC). Latent variable modeling was used to examine network-level coactivation. The following diagnostic groups were compared: typically developing youths (N=693) and youths with DBDs (N=995), subdivided into those with callous-unemotional traits (DBD+CU, N=198) and without callous-unemotional traits (DBD only, N=276). Results: During reward anticipation, youths in the overall DBD group (with and without callous-unemotional traits) showed decreased dorsal ACC activation compared with typically developing youths. The DBD-only group exhibited reduced ventral and dorsal striatal activity compared with the DBD+CU and typically developing groups. During reward receipt, youths with DBDs showed increased cortical (e.g., OFC) and subcortical (e.g., NAcc) regional activation compared with typically developing youths. The DBD+CU group demonstrated greater activation in several regions compared with those in the typically developing (e.g., amygdala) and DBD-only (e.g., dorsal ACC) groups. At the network level, the DBD-only group showed reduced anticipatory reward activation compared with the typically developing and DBD+CU groups, whereas youths in the DBD+CU group showed increased activation during reward receipt compared with those in the typically developing group. Conclusions: These findings advance our understanding of unique neuroetiologic pathways to DBDs and callous-unemotional traits.
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