2-Minute Neuroscience: Knee-jerk Reflex

2-Minute Neuroscience: Knee-jerk Reflex

Welcome to 2 minute neuroscience, where I simplistically explain neuroscience topics in 2 minutes or less. In this installment I will discuss the knee-jerk reflex. The knee-jerk reflex, also known as the patellar reflex, is a well-known example of a simple reflex arc that allows us to maintain posture and balance. Most of us have […]

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What happens when we sleep? | The Economist

What happens when we sleep? | The Economist

Every night, almost everyone on the planet enters into a state of unconsciousness and paralysis. But what is really happening inside the body when we drift off? And what’s the impact if we don’t get enough sleep? Sleep is regulated by your circadian rhythm, or body clock, located in the brain. The body clock responds […]

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Why Do We Jump in Our Sleep?

Why Do We Jump in Our Sleep?

Have you ever been drifting off to sleep in your bed, all quiet at night, and suddenly it feels like you’re falling and your whole body twitchesl? What is that? Well, that’s a jerk. A hypnic jerk, to be precise. A hypnic jerk, sometimes called a sleep start, is the scientific term for what happens […]

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2-Minute Neuroscience: Neuromuscular Junction

2-Minute Neuroscience: Neuromuscular Junction

Welcome to 2 minute neuroscience, where I simplistically explain neuroscience topics in 2 minutes or less. In this installment I will discuss the neuromuscular junction. The term neuromuscular junction refers to the synapse between a motor neuron and a skeletal muscle fiber. Activity at the neuromuscular junction is essential for the contraction of skeletal muscle […]

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