A delusion is a psychotic disorder where an individual has a fixed belief in an incorrect perception of reality. The most common delusions are: The risk of delusional disorder in the general population is estimated between 0.05% to 0.1% and affects individuals from the age of 18 years to 90 years [1]. The persecutory and…
Neuroinflammation is the inflammation of the brain or the spinal cord due to the production of cytokines, chemokines, secondary messengers, and reactive oxygen species. 1- What Are cytokines? Cytokines are small proteins that are produced by white blood cells, such as lymphocytes T and lymphocytes B, and endothelial cells, mast cells, fibroblasts, and mesenchymal cells….
Insomnia is a common sleep disorder characterized by difficulty falling asleep that can last for days or weeks (short-term insomnia) or for more than 6 months (chronic insomnia). Insomnia can be caused by biological factors such as anxiety, depression, sleep apnoea, genetics, and chronic conditions. It can also be caused by environmental factors such as…
Short-term memory (STM) is the ability of the mind to consciously store, maintain, and manipulate phonological (speech sound), spatial, and visual information for limited periods of time. Therefore, STM contributes to the learning of new information and aspects of speech comprehension and production. However, STM loss is observed during aging (after 55 years of age)…
White matter is parts of the brain that comprise myelinated axons, while grey matter comprises neurons bodies, axon terminals, dendrites, and synapses. Myelin that covers the white matter axons is essential for the fast transmission of electrical signals to the grey matter nerve cells, and therefore, plays a key role in learning and brain function…
