Concussions, often occurring due to a forceful impact to the head, can lead to a range of distressing symptoms. The sudden motion involved in such incidents causes the brain to shift or rotate within the skull, causing physical harm and chemical alterations in brain tissue. Although the manifestation of concussion symptoms can differ from person...
Category: Brain
Understanding Gerstmann Syndrome
The brain is a vital organ that plays a crucial role in our overall functioning. It governs our cognitive processes, controls our movements, preserves our memories, and enables us to communicate effectively. Consequently, without a functioning brain, our existence would be impossible. The brain is composed of distinct regions, including the cerebrum, cerebellum, and brainstem....
Anterograde Amnesia and the Function of Memory
Anterograde amnesia, a condition characterized by the inability to form new memories after a traumatic incident or event, leaves pre-existing memories unaffected. It impacts both episodic memory, which involves recalling personal experiences, and semantic memory, which relates to learned facts and concepts. Despite numerous theories, the precise mechanisms by which anterograde amnesia disrupts memory remain...
What is Moyamoya Disease?
Moyamoya disease is an uncommon and progressive cerebrovascular disorder characterized by the narrowing or blockage of the carotid artery, located at the base of the brain. As a result, the blood flow to the brain is significantly reduced. In response to this restriction, small blood vessels near the base of the brain begin to open...
The Catatonic State: What Is Catatonia?
Catatonia, classified as a psychomotor syndrome, is a fascinating neurological disorder that impacts around 10% of individuals with acute psychiatric conditions. While many associate catatonia with a complete absence of movement or brain activity, it is important to note that there is another form known as excited catatonia, which manifests as restlessness and agitation. Akinetic...
What is Shy-Drager Syndrome?
Shy-Drager Syndrome, also known as sporadic olivopontocerebellar atrophy or striatonigral degeneration, is an uncommon neurological disorder characterized by its progressive nature. However, the preferred term for this condition is now “multiple system atrophy.” Unlike Parkinson’s disease, which primarily affects certain areas of the body, Shy-Drager syndrome tends to have a more widespread impact. This syndrome...
Post-Concussive Symptoms: the Effects of a Concussion
Following a concussion, the effects of this head injury can manifest in a variety of ways, known as post-concussive symptoms. While most symptoms typically arise shortly after the incident and subside within a few weeks, there are instances where they may appear later or linger for months. Ranging from mild to severe, these symptoms can...
The Dangers of Subarachnoid Hemorrhage
Subarachnoid hemorrhage refers to a critical condition wherein blood accumulates in the subarachnoid space, which is the region between the brain and its fragile surrounding tissues. This occurrence acts as a stroke and demands urgent medical intervention due to its life-threatening nature. It is worth noting that subarachnoid hemorrhage contributes to over 25% of potential...
Cybersickness: More Than Digital Motion Sickness
Cybersickness is a condition that goes beyond mere nausea and disorientation; it encompasses a range of symptoms including eye strain, headaches, and potentially more. This affliction typically arises from the use of digital devices, hence its name. Experts often compare cybersickness to other problems such as virtual reality or motion sickness, considering them as various...
All About Comas
Comas have long been a subject of curiosity and misunderstanding in the medical field. The peculiar circumstances that lead to comas, as well as the remarkable stories of individuals waking up from them, capture people’s interest. But what exactly occurs in the brain during a coma? Why do people enter comas, and why are they...