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Neuroscientifically Challenged

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In this video, I discuss the anatomy and physiology of the basal ganglia—a group of structures that play a key role in movement as well as a variety of non-motor functions. I cover the direct and indirect pathways, additional circuitry involved in non-motor functions, and several basal ganglia disorders, including Parkinson’s disease, Huntington’s disease, obsessive-compulsive d...

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Color blindness is a condition in which a person has difficulty seeing or distinguishing certain colors. In this video, I explain the biological mechanisms underlying color blindness and how it is inherited. To watch the video, click the "continue reading" link below.

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Beta blockers are a class of medications originally developed to treat hypertension and other cardiovascular conditions. In recent years, they have become an increasingly popular option to treat situational or performance anxiety. In this video, I discuss the pharmacological mechanism of beta blockers and how they are thought to relieve the symptoms of performance anxiety experi...

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A panic attack is a sudden episode of intense fear or discomfort that comes on abruptly and involves a cascade of physical and cognitive symptoms. In this video, I discuss the neuroscience of panic attacks, focusing primarily on the brain regions that are thought to be involved with the initiation and symptoms of panic attacks. To watch the video, click the "continue reading" li...

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One of the most distinctive features of the human brain is that its surface is covered with a complex pattern of grooves and ridges. The grooves are called sulci, and the ridges are called gyri. In this video, I will discuss some of the most prominent sulci and gyri in the brain, many of which serve as important landmarks of the cerebral cortex. To watch the video, click the "co...

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