Adolescent rats extend help to outgroup members, highlighting a neural network for group identity categorization.
Jocelyn Breton, Jordan S. Eisner, Vaidehi S. Gandhi, Natalie Musick, Aileen Zhang, Kimberly L. P. Long, Olga S. Perloff, Kelsey Y. Hu, Chau M. Pham, Pooja Lalchandani, Matthew K. Barraza, Ben Kantor, Daniela Kaufer, Inbal Ben-Ami Bartal
The paper shows that adolescent rats help both ingroup and outgroup members, while adults show ingroup bias, with neural activity differences in brain regions like the hippocampus and orbitofrontal cortex.
bioRxiv · Nov 29, 2021 · PreprintNeuroscience