The Frontier

Mark Berman’s lab studies environmental neuroscience - how physical surroundings shape brain function. Humans adapt to environments, then design new ones that further alter cognition.

Urban environments often prioritize efficiency over cognitive benefits. Berman argues we should intentionally design spaces to improve attention, working memory, and cooperation.

Berman’s early study found walking in nature boosts working memory. Participants improved by about 20% on the backward digit-span task after a 50-minute nature walk, compared to no gain after an urban walk.

The cognitive benefit persists even without mood improvement. January walks at 25°F produced the same memory gains as pleasant June walks.

Nature walks reduced rumination in clinically depressed participants. Berman found stronger cognitive improvements when people ruminated before a nature walk versus an urban walk.

Studies in Chicago public housing found views of nature correlate with better attention and lower crime. Ming Kuo and Bill Sullivan showed random apartment assignments with green views led to measurable social and cognitive benefits.

Attention Restoration Theory posits two attention types. Directed attention fatigues over time; involuntary attention, activated by softly fascinating stimuli, can replenish it.

Nature images are more compressible and less memorable than urban scenes. JPEG compression algorithms show natural scenes lose more bits, suggesting easier perceptual processing.

Fractal structure in nature may ease brain processing. Repeated patterns at different scales allow quick scene gist extraction, unlike the semantic complexity of urban environments.

EEG signals reveal fractal patterns shift during cognitive effort. Berman’s lab found brain signals deviate from 1/f scaling during difficult tasks, indicating less fractal temporal structure.

Roger Ulrich’s 1980s study linked hospital window views to faster recovery. Patients with nature views used less pain medication and recovered about a day faster after gallbladder surgery.

Berman argues psychology lacks the economic framing needed for policy impact. Quantifying a 20% memory gain in dollar terms remains difficult, hindering adoption of nature as a design necessity.

Sean Carroll explains that Many Worlds doesn’t create new universes with energy - it splits existing ones. Relative energy between objects remains unchanged, making the branching unnoticeable to observers.

Carroll views free will and consciousness as emergent physical phenomena. He argues they supervene on quantum mechanics, not contravene it, and compatibilism reconciles determinism with everyday choice.

Berman questions Penrose’s quantum brain hypothesis, noting Gödel’s theorem requires proving system consistency - an impossible task. Carroll adds Penrose’s argument conflates cognition with consciousness.