As a person grows older, the lens grows larger and thicker and becomes far less elastic, partly because of progressive denaturation of the l...
Schizophrenia—Possible Exaggerated Function of Part of the Dopamine System
Schizophrenia comes in many varieties. One of the most common types is seen in the person who hears voices and has delusions of grandeur, i...
Slow-Wave Sleep and REM Sleep (Paradoxical Sleep, Desynchronized Sleep)
Slow-Wave Sleep Most of us can understand the characteristics of deep slow-wave sleep by remembering the last time we were kept awake for mo...
Brain Waves
Electrical recordings from the surface of the brain or even from the outer surface of the head demonstrate that there is continuous electric...
Introduction: Jaundice and Kernicterus
Jaundice About 60% of newborn infants in the United States are jaundiced, that is they look yellow. Jaundice is the yellow coloring of the s...
Huntington disease (HD)
Huntington's disease , chorea , or disorder ( HD ), is an incurable neurodegenerative genetic disorder that affects muscle coordinati...
Definition of Circadian Rhythm
Definition: The natural pattern of physiological and behavioral processes that are timed to a near 24-hour period. These processes include ...
The Limbic System
The limbic system is a complex set of structures that lies on both sides of the thalamus, just under the cerebrum. It includes the hypothal...
Reticular Activating System
Reticular Formation forms most of the core of the brainstem reticular formation is made up of heterogeneous neurons that have different func...
CEREBRUM
The cerebrum is the largest, most prominent part of the human brain. The longitudinal fissure partitions the cerebrum into right and left he...
CNS
Q-1 What is the difference btw Basal ganglia and Cerebellum? Ans:Basal Ganglia: 1-Oreintation 2-Emotions works in relationship with Limbic s...
BASAL GANGLIA AND CEREBELLUM
The basal ganglia and cerebellum are large collections of nuclei that modify movement on a minute-to-minute basis. Motor cortex sends inform...
Neurohumoral mechanism
Neurohumoral mechanism maintaining normal cardiac output and blood pressure Acute haemorrhage —> 1) Rapidly acting pressure control mecha...
Types of Cancer
Cancer is a group of many related diseases that begin in cells, the body's basic unit of life. Normally, cells grow and divide to produc...
Erectile dysfunction
Definition Erectile dysfunction is the inability to develop and maintain an erection for satisfactory sexual intercourse or activity in the ...