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Hello everyone, I'm Dr. Andrew Huberman, professor of neurobiology and ophthalmology at Stanford School of Medicine. Today, I want to talk to you about something we all chase—but often misunderstand: Most people think motivation is a feeling. Something you wait for. But motivation is not something that simply arrives. It is something that is created. And more importantly—it is something that is sustained through very specific neurological processes that you can control.

Let's talk about how light exposure affects your circadian rhythm, right? When morning sunlight hits your retina, it triggers a cascade of neural signals that regulate cortisol release. This mechanism is absolutely crucial for maintaining proper sleep-wake cycles and overall cognitive performance throughout the day.

When we look at the neuroscience of learning, there's this fascinating interplay between attention and memory formation. Look, the fundamental layer is always going to be your behavioral protocols - things like sleep quality, light exposure, and when you're actually engaging with the material.

What most people don't realize about focus and concentration is that they're actually trainable biological processes. The key lies in understanding your brain's dopamine systems and how they respond to specific environmental triggers throughout your day.

When we examine the effects of bright light exposure in the morning, it turns out that this triggers a cascade of neural events in the suprachiasmatic nucleus, which then signals to your entire body that it's time to be alert and active.

Today on the Huberman Lab Podcast, we're exploring the science of stress response and how it affects our nervous system. As a neuroscientist, I'll explain the key mechanisms that regulate our fight-or-flight response and provide science-based tools to manage stress effectively.

Today on Huberman Lab Essentials, we're exploring the science of stress response and cortisol regulation. As a neuroscientist, I'll explain how your brain processes acute stress, and provide evidence-based tools to optimize your physiological response to challenging situations.

Let's talk about how temperature affects our biology. What's fascinating is that our body's response to cold exposure triggers several important chemical cascades. Most people don't realize that these responses actually influence our alertness and cognitive function throughout the day.