Neurobiology
This chemical is released when you get a reward from your phone.
What is dopamine?
This hormone rises when you are stressed.
What is cortisol?
This hormone controls when you fall asleep.
What is melatonin?
This ability decreases when constantly switching between apps.
What is attention span?
This vitamin is produced when your skin is exposed to sunlight.
What is Vitamin D?
This reward pattern keeps you checking your phone because the rewards are unpredictable.
What is intermittent reinforcement?
Spending time outside helps reduce this condition.
What is anxiety?
This system regulates your body's internal clock.
What is the circadian rhythm?
This term means your brain is overloaded with too much information.
What is cognitive load?
Too much screen time leads to this low-movement lifestyle.
What is sedentary behavior?
This brain region helps memory and benefits from time in nature.
This brain structure processes fear and stress.
What is the amygdala?
This type of light from screens most disrupts sleep.
What is blue light?
This memory helps you hold short-term information.
What is working memory?
This body system suffers when you don't move enough.
This protein increases with outdoor activity and supports brain growth.
What is BDNF?
This system controls fight-or-flight and is often overactive with stress.
What is the sympathetic nervous system?
What is delayed sleep?
This theory explains how nature restores focus.
What is Attention Restoration Theory?
This system is strengthened by sunlight and exercise.
What is the immune system?
Too much screen use overstimulates this system, reducing enjoyment of normal activities.
What is the dopamine reward system?
This repetitive negative thinking decreases after time in nature.
What is rumination?
This brain structure acts as your body's master clock.
What is the suprachiasmatic nucleus?
This brain network is active during mind-wandering.
What is Default Mode Network?
Outdoor activity improves this indicator of stress and heart health.
What is heart rate variability?