Article topic: Antipsychotic Drugs. Author: Ahmad Aljbali Editor: Yazan S. Al-Zamer keywords: psychosis, schizophrenia, depression OVERVIEW History The history of the concept of psychosis is stemmed from the time it was referred to in 1845 to the present day. within a time, it had become synonymous (scientifically not true) with the two terms “psychopathy” and “psychoneurosis”. Soon, all psychiatric disorders became subsumed under its umbrella heading amidst a confusing set of terminology. Psychosis is examined as it then became distinct from psychopathy and neurosis.[1] Pathophysiology Based mainly on the dopamine hypothesis that the dopamine pathway changes may result in signs […]

Article topic: Meninges, Ventricular System , and Cerebrospinal Fluid. Author: Ahmad Aljbali. keywords: meninges, CSF, choroid plexus ,foramina. Overview Meninges: The brain, in the skull (cranial bone), and the spinal cord, in the vertebral column, are enveloped by three protective membranes (meninges): the dura mater, the arachnoid mater, and the pia mater. Based on their location, meninges are referred to as the cranial meninges which surround the brain and spinal meninges which envelop the spinal cord. Nevertheless, the cranial and spinal meninges are continuous with one another and have the same three meningeal layers. From superficial to deep the  meninges […]