Fentanyl has become a primary cause of the opioid overdose epidemic in the past decade. But what is it about this drug that's so dangerous? There's more to the story than meets the eye.



If you’re ever in the position...

Dreams can be scary, mystifying, and sometimes unnatural feeling experiences, but there's plenty about them that are perfectly ordinary. Here's a compilation of some things we know about dreams.

This week in SciShow News we dissect what a Lewy Body is and what they are capable of doing.

At some point, you've probably learned about the five senses: sight, sound, smell, taste, and touch. However, the classic list doesn't account for all the sensations we experience and use to navigate the world around us!

Why does your mouth hang open and cause you to make a silly face when you use eye drops or put on mascara?

The limbic system is the term for various parts of the brain involved in emotions such as fear, aggression, and attraction, and behaviors related to these emotions, as well as memory, learning, and senses. The four important parts of the...

What happens to your brain BEFORE birth? Growing an entire mind in nine months is a pretty enormous accomplishment! A baby's brain goes from just a couple of cells to a neuron-dense powerhouse. But what does the brain development of a...

The limbic system is the term for various parts of the brain involved in emotions such as fear, aggression, and attraction, and behaviors related to these emotions, as well as memory, learning, and senses. The four important parts of the...

This brief video tutorial discusses the parts of the brainstem including primary internal and external features as well as functions.

This brief video tutorial discusses the location, functions and clinical implications for each of the types of cranial nerve motor nuclei (somatic motor, visceral motor and branchial motor) as well as the individual motor nuclei within...

This brief video tutorial discusses some foundational principals for describing and locating cranial nerve nuclei (motor and sensory) in the brainstem.

This is a brief tutorial on the autonomic nerves that course to the head.

This is a short video tutorial introducing the parasympathetic nervous system.

From skiing down a steep mountain, to playing the piano, the nervous system enables us to accomplish remarkable tasks. This video focuses on the amazing structures in the nervous system that allows humans to maintain and carry out a wide...

In this video, we explore the structure and functions of the vestibulospinal and vestibulocollic reflexes, or the VSR and the VCR. This will lead to discussing the hip and step strategies.

In this video, I explain and demonstrate Hautant's test, a special test used in the assessment of vertebrobasilar artery insufficiency.

In this video, we discuss the blood supply to the brain stem and higher brain originating from the vertebral arteries and internal carotid arteries. We also see the structure of the Circle of Willis.

In this video, we discuss the origin, anatomy, functions, and major branches of cranial nerve VII, the facial nerve.

In this video, we explore the following as it pertains to cranial nerve III; specifically, the oculomotor nerve’s somatic component: Origin Anatomy Functions Pathway to the eye

Part 1 on a miniseries over the Vagus Nerve This video is an introduction to cranial nerve X, the vagus nerve. Specifically, we will cover the origin of the vagus nerve from the medulla.

In this video, I talk about the medulla, pons and midbrain, the 3 parts of the brain stem and take a bried look at their functions.

In this video, Leslie Samuel talks about the anatomy and function of the cerebellum. He shows the peduncles and how they connect the cerebellum to the brainstem. He then talks about the 3 lobes and the regions of the Central Nervous...

This video provides a comprehensive overview of the brainstem and cerebellum, highlighting their crucial roles in connecting different parts of the central nervous system and coordinating essential functions such as sensory processing,...

In this video, I explain the corneal reflex. More specifically, we discuss the reflex arc and how to determine whether or not the reflex is present/normal or abnormal.