How is the brain affected by solitary confinement? How would you deal with being stranded on a deserted island? And do baby monkeys make the best therapists? 

• SOURCES:
  • William Broyles Jr., screenwriter, journalism, and former U.S. Marine Corps officer.
  • Beatriz Flamini, Spanish mountaineer.
  • Craig Haney, professor of psychology at the University of California Santa Cruz.
  • Harry Harlow, 20th-century American psychologist.
  • Sarah Hepola, author.
  • Nelson Mandela, former president of South Africa.
  • Tree Meinch, freelance writer, editor, and freediver.
  • Alexander Selkirk, 18th-century Scottish privateer and Royal Navy officer.
  • Cheryl Strayed, writer and podcast host.

• RESOURCES:
  • "The Impact of Isolation on Brain Health," by Vibol Heng, Craig Haney, and Richard Jay Smeyne (Neurobiology of Brain Disorders, 2023).
  • "What Happens When Humans Are Extremely Isolated?" by Tree Meinch (Discover, 2023).
  • "Spanish Climber Leaves Cave After 500 Days in Isolation," by Ciarán Giles (AP News, 2023).
  • "Solitary Confinement Is Not 'Solitude': The Worst Case Scenario of Being 'Alone' in Prison," by Craig Haney (The Handbook of Solitude, 2021).
  • This Tender Land, by William Kent Krueger (2019).
  • Wild: From Lost to Found on the Pacific Crest Trail, by Cheryl Strayed (2012).
  • "The Real Robinson Crusoe," by Bruce Selcraig (Smithsonian Magazine, 2005).
  • "Lost at Sea and Back Again," by Sarah Hepola (The Austin Chronicle, 2000).
  • "Social Recovery of Monkeys Isolated for the First Year of Life: I. Rehabilitation and Therapy," by Melinda Novak and Harry Harlow (Developmental Psychology, 1975).

• EXTRAS:
  • "Do You Need a Hug?" by No Stupid Questions (2024).
  • "What Makes a Good Gathering?" by No Stupid Questions (2024).
  • "What to Do When Everything Looks Like a Catastrophe?" by No Stupid Questions (2022).
  • Cast Away, film (2000).