Report summary

For University of California, Berkeley Department of Psychology in 2015-2026, the graph shows 99 visible PIs and 137 internal PI collaborations. The main research signal is Psychology as the leading field (30% of slots across 55 PIs; 55 labels), Cognitive Neuroscience as the leading subfield (16% of slots across 36 PIs; 36 labels), and Neural and Behavioral Psychology Studies as the leading topic (4% of slots across 12 PIs; 12 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The most prominent PIs by weighted works are Allison G. Harvey (62.6 weighted works; Sleep and related disorders, Sleep and Wakefulness Research). The clearest collaboration lines are Dacher Keltner and Alan Cowen (21 shared works, weight 17.4). The strongest breakdown groups are group 1 with 10 PIs, 9 internal connections, weight 37, around Cognitive Neuroscience, Experimental and Cognitive Psychology, Psychiatry and Mental health, led by Allison G. Harvey, Robert T. Knight, Matthew P. Walker; group 2 with 10 PIs, 12 internal connections, weight 40.7, around Endocrine and Autonomic Systems, Cognitive Neuroscience, Psychiatry and Mental health, led by Sheri L. Johnson, Anne Collins, Linda Wilbrecht.