What is Vestibular Schwannoma? Vestibular schwannoma, commonly referred to as acoustic neuroma, is a benign tumor that arises from Schwann cells, which are critical for the myelination of nerves. This tumor predominantly develops on the vestibulocochlear nerve, also known as cranial nerve VIII, which plays a key role in controlling auditory and balance functions. Although…
Understanding Addiction Addiction is a complex and multifaceted condition characterized by a compulsive engagement in rewarding stimuli, despite adverse consequences. From a scientific standpoint, addiction manifests through both physical and psychological dependence. Physical dependence occurs when the body adapts to the presence of a substance and experiences withdrawal symptoms upon cessation. This phenomenon is commonly…
What is Positron Emission Tomography (PET)? Positron Emission Tomography, commonly referred to as PET, is an advanced medical imaging technique that provides crucial insights into the metabolic processes occurring within the human body. It employs radioactive substances known as radiotracers, which are administered to the patient. These radiotracers emit positrons, allowing healthcare professionals to visualize…
Seizures and the Nervous System Seizures are complex neurological events characterized by sudden, uncontrolled electrical disturbances in the brain. Understanding seizures requires a fundamental grasp of the nervous system’s anatomy and function. The nervous system, composed of the brain, spinal cord, and a vast network of neurons, serves as the body’s communication infrastructure, transmitting signals…