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Brain / Cognitive Function
Other Names
Memory, Cognitive Function, Brain Health, Brain Function, Senile Dementia, Dementia, Dementias, Senile, Senility, Alzheimer, Alzheimer's, Alzheimer's Disease.
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Description
Memory
is the capacity to remember. It is complex and probably occurs in many areas of the brain including the
limbic
system and the
temporal lobes
. Despite such poor knowledge of the anatomy of memory, research has revealed much about how the process works. There are three main steps: registration, storage, and recall.
During registration information from the sense organs and the cerebral cortex is put into codes for storage in the short-term memory system. The codes are usually acoustic (based on the sounds and words that would be used to describe the information) but may use any of the five senses. This system can take only a few chunks of information at a time. Research shows, for example, that only about seven longish numbers can be retained and recalled at once - the next new number displaces an earlier one that is then forgotten. And if a subject is asked to describe a person he has just met, he will recall only seven or so facts about that person. This depends on attention span and can be improved by concentration and rehearsal, for example, by reciting the list of things that must be remembered.
Material needing storage for several minutes stays in the short-term memory. More valuable information goes to the long-term memory where it can be kept for any period from a few minutes to a lifetime. Storage is more reliable if the information is in meaningful codes - it is much easier to remember people's names if their faces and personalities are memorable too. Using techniques such as mnemonics takes this into account.
The final stage is retrieval. Recognizing and recalling the required information involves searching the memory. In the short-term memory this takes about 40 thousandths of a second per item, a rate that is surprisingly consistent, even in people with disorders such as
schizophrenia
.
Most kinds of forgetting or amnesia occur during retrieval. Benign forgetfulness is usually caused by interference from similar items because the required information was not clearly coded and well organized. Retrieval can be improved by recreating the context in which the information was registered. This is why the police reconstruct scenes of crimes, and why revision for exams is more effective if facts are learnt in the form of answers to mock questions.
Loss of memory or amnesia mainly affects long-term memory (information which is stored indefinitely) rather than short-term memory which is measured in minutes. Short-term memory may, however, be affected by unconsciousness caused by trauma. Drivers involved in an accident may be unable to recall the event or the period leading up to it. The cause of amnesia is disease of or damage to the parts of the brain responsible for memory. Degenerative disorders such as
alzheimer's disease
, brain tumors, infections (for example,
encephalitis
),
strokes
,
subarachnoid haemorrhage
and alcoholism all cause memory loss. Some psychiatric illnesses feature loss of memory and ageing is usually accompanied by some memory loss, though the age of onset and severity vary greatly.
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Product Categories
Alpha-Lipoic Acid
,
Ashwagandha
,
Baryta Carbonica
,
Blueberry
,
Calamint
,
Calamus
,
Ginkgo Biloba Leaf
,
Kali Phosphoricum
,
L-Glutamine
,
L-Tyrosine
,
Lecithin
,
Phosphatidylserine Complex (PS)
,
Rhodiola
,
Vitamin B3 (Niacin)
,
Vitamin C
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Brain / Cognitive Function - Symptoms, Indications and Actions
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Calamus Root Pure Essential Oil
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Calamus Root - Liquid Extract / Tincture (1:5) - Alcohol-Free
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Calamus Root - Salve / Ointment
Calamus Root - Cream
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Calamus Root - Liquid Extract / Tincture (1:5) - Vanilla Flavored Alcohol-Free
Calamus Root - Liquid Extract / Tincture (1:5) - Mint Flavored Alcohol-Free
Calamus Root Powder
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Male Virility Complex Powder - Muira Puama, Schizandra, Siberian Ginseng, Ginkgo Biloba
Male Virility Complex Powder - Muira Puama, Schizandra, Siberian Ginseng, Ginkgo Biloba
Male Virility Complex Tea (Loose) - Muira Puama, Schizandra, Siberian Ginseng, Ginkgo Biloba
Male Virility Complex Tea (Loose) - Muira Puama, Schizandra, Siberian Ginseng, Ginkgo Biloba
Male Virility Complex Tea - Muira Puama, Schizandra, Siberian Ginseng, Ginkgo Biloba
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Female Libido Support Powder - Guarana, Muira Puama, Ginseng and More
Female Libido Support Powder - Guarana, Muira Puama, Ginseng and More
Female Libido Support Tea (Loose) - Guarana, Muira Puama, Ginseng and More
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Ginkgo Biloba Cream
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Blueberry Root Cream
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Blueberry Root Liquid Extract / Tincture (1:5) - Alcohol-Free
Blueberry Root Liquid Extract / Tincture (1:5) - Strawberry Flavored Alcohol-Free
Lobelia & Calamus Combination Powder
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Lobelia & Calamus Combination Tea (Loose)
Lobelia & Calamus Combination Tea (Loose)
Lobelia & Calamus Combination Tea
Lobelia & Calamus Combination Tea
Lobelia & Calamus Combination Cream
Lobelia & Calamus Combination Salve / Ointment
Ginkgo Biloba Liquid Extract / Tincture (1:5) - Mint Flavored Alcohol-Free
Ginkgo Biloba Liquid Extract / Tincture (1:5) - Chocolate Flavored Alcohol-Free
Ginkgo Biloba Liquid Extract / Tincture (1:5) - Vanilla Flavored Alcohol-Free
Blueberry Root Liquid Extract / Tincture (1:5) - Mint Flavored Alcohol-Free
Blueberry Root Liquid Extract / Tincture (1:5) - Chocolate Flavored Alcohol-Free
Blueberry Root Liquid Extract / Tincture (1:5) - Vanilla Flavored Alcohol-Free
Ashwagandha (Indian Ginseng) - Withania Somnifera Root - Powder
Ashwagandha (Indian Ginseng) - Withania Somnifera Root - Powder
Blueberry Leaf Powder
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Blueberry Leaf Tea (Loose)
Blueberry Leaf Tea (Loose)
Blueberry Leaf Tea
Blueberry Leaf Tea
Calamint Powder
Calamint Powder
Calamint Tea (Loose)
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Circulatory Support Powder - Ginkgo & Hawthorn
Circulatory Support Powder - Ginkgo & Hawthorn
Circulatory Support Tea (Loose) - Ginkgo & Hawthorn
Circulatory Support Tea (Loose) - Ginkgo & Hawthorn
Circulatory Support Tea - Ginkgo & Hawthorn
Circulatory Support Tea - Ginkgo & Hawthorn
Ashwagandha (Indian Ginseng) Extract (1.5% Withanolides) Powder
Ashwagandha (Indian Ginseng) Extract (1.5% Withanolides) Powder
Ashwagandha (Indian Ginseng) Extract (1.5% Withanolides) Cream
Ashwagandha (Indian Ginseng) Extract (1.5% Withanolides) Salve / Ointment
Extra Strength Ginkgo Biloba Leaf 4:1 Extract Powder
Extra Strength Ginkgo Biloba Leaf 4:1 Extract Powder
Extra Strength Ginkgo Biloba Leaf 4:1 Extract Cream
Extra Strength Ginkgo Biloba Leaf 4:1 Extract Salve / Ointment
Ginkgo Biloba Leaf Extract (2% Ginkgo Flavones) Powder
Ginkgo Biloba Leaf Extract (2% Ginkgo Flavones) Powder
Ginkgo Biloba Leaf Extract (2% Ginkgo Flavones) Cream
Ginkgo Biloba Leaf Extract (2% Ginkgo Flavones) Salve / Ointment
Ginkgo Biloba Leaf Extract (24% Ginkgo Flavones / 6% Terpene Lactones ) Powder
Ginkgo Biloba Leaf Extract (24% Ginkgo Flavones / 6% Terpene Lactones ) Powder
Ginkgo Biloba Leaf Extract (24% Ginkgo Flavones) Cream
Ginkgo Biloba Leaf Extract (24% Ginkgo Flavones) Salve / Ointment
Calamus Root Tea (Loose)
Calamus Root Tea (Loose)
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Eleuthero & Ginkgo Biloba Combination Powder
Eleuthero & Ginkgo Biloba Combination Powder
Eleuthero & Ginkgo Biloba Combination Tea (Loose)
Eleuthero & Ginkgo Biloba Combination Tea (Loose)
Eleuthero & Ginkgo Biloba Combination Tea
Eleuthero & Ginkgo Biloba Combination Tea
Eleuthero & Ginkgo Combination - Liquid Extract / Tincture (1:5) Alcohol-Free
Eleuthero & Ginkgo Combination - Liquid Extract / Tincture (1:5) Strawberry Flavored Alcohol-Free
Eleuthero & Ginkgo Combination - Liquid Extract / Tincture (1:5) Mint Flavored Alcohol-Free
Eleuthero & Ginkgo Combination - Liquid Extract / Tincture (1:5) Chocolate Flavored Alcohol-Free
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