Publisher's Synopsis
The concept of herbal medicines has been evolved from the various traditional medical systems i.e.
Ayurveda, Siddha, and Unani which were found mentioned in the ancient Vedas and other scriptures.
It provides the concept of positive health means metabolically well-balanced human beings to live a
long healthy life by rejuvenate the body through diet and nutrition. According to the World Health
Organization (WHO) major population of some Asian and African countries presently uses herbal
medicine for some aspect of primary health care as well as for treatment of diseases and disorders
. The synthetic drugs are more costly, having narrow margin of safety and more
side effects as compared to herbal drugs which have wide margin of safety, cheaper and
mild side effects than synthetic drugs.
Herbal drugs have enormous therapeutic potential for central nervous system (CNS)
activity and peripheral nervous system (PNS) activity. During the history of mankind, drugs acting
the CNS have focused on those that bring relief to psychiatric disorders and herbal therapy can
still provide support having mental problems that also develop symptoms of anxiety,
depression and sleep disturbances etc. Dementia, Parkinson disease (PD), Alzheimer's disease
(AD) etc are CNS associated problems which are being addressed by herbal treatment.
Extensive research is going on for suitable approach using novel approaches to get result
which can reduce the toxicity as well as increase the
pharmacological activity of the drug .
Learning or acquisition is defined as the process of acquiring knowledge about the
environment around the organism, while memory is the storage or retention of this
acquired knowledge which can be retrieved later. Learning and memory are the basic constituents
of cognitive behavior and processed through neurons of specific areas of the
brain with the specific modality of sensory information.
The hippocampus and amygdala are relevant to the storage of recent memory and emotional
behavior. The structure of these areas is highly plastic, particularly in the
hippocampus while the amygdala acts as a part of a larger intermediate memory system that supports
learning and performance before habit consolidation. Report on study of
monkeys explained that these areas interact with each other while operate independently
