to make more intellectually demanding or sophisticated
a person lacking intelligence
something that is entertaining or enjoyable but lacks depth or significance
a nerve cell that is situated in the brain
a stony coral of the genus Meandrina, in which the polyps lie in troughlike thecae resembling the convoluted surface of a human brain
If someone is declared brain-dead, they have suffered brain death .
Brain death occurs when someone's brain stops functioning, even though their heart may be kept beating using a machine .
When people talk about a brain drain, they are referring to the movement of a large number of scientists or academics away from their own country to other countries where the conditions and salaries are better.
inflammation of the brain or its covering membranes
the immigration into a country of scientists, technologists, academics, etc, attracted by better pay, equipment, or conditions
an examination of the brain, using radiological scanning techniques, used in medical diagnosis and scientific research
a group of experts unofficially acting as administrative advisers
any of the fluctuations of electrical potential in the brain as represented on an electroencephalogram . They vary in frequency from 1 to 30 hertz
the left hemisphere of the human brain, which is believed to control linear and analytical thinking, decision-making, and language
the right cerebral hemisphere of the human brain, which includes areas associated with abstraction, artistic ability, and emotional response
a brain in which the tracts connecting the two halves of the cerebral cortex have been surgically split or are missing from birth
If someone suffers brain damage, their brain is damaged by an illness or injury so that they cannot function normally .
Someone who is brain-damaged has suffered brain damage.
A disease is an illness which affects people, animals, or plants, for example one which is caused by bacteria or infection .
A person's health is the condition of their body and the extent to which it is free from illness or is able to resist illness.
a machine used to perform brain scans
a surgeon who specializes in brain surgery
A brain teaser is a question, problem, or puzzle that is difficult to answer or solve, but is not serious or important .
a tumour that is situated in the brain
Activity is a situation in which a lot of things are happening or being done.
on the brain:
constantly in mind
bleeding into the brain
an electronic computer
an Indian cuckoo, Cuculus varius, that utters a repetitive call
a technique in which sensors worn on the head are used to measure the involuntary brain activity of someone in response to certain images or pieces of evidence pertaining to a crime
a small, asexual spore-producing structure produced by certain parasitic fungi on a host plant
the stalklike part of the brain consisting of the medulla oblongata, the midbrain, and the pons Varolii
the barrier created by the walls of the capillaries of the brain that prevents certain substances, as most proteins and drugs, from passing from the blood into the brain tissue and cerebrospinal fluid
have on the brain:
If someone has something on the brain, they keep thinking about it.
pick someone's brain:
to obtain information or ideas from someone
water on the brain:
accumulation of cerebrospinal fluid within the ventricles of the brain because its normal outlet has been blocked by congenital malformation or disease. In infancy it usually results in great enlargement of the head
yellow brain fungus:
a member of any of three orders ( Auriculariales, Tremellales, and Dacrymycetales ) of basidiomycetous fungi that grow on trees and have a jelly-like consistency when wet . They include the conspicuous yellow brain fungus ( Tremella mesenterica ), the black witch's butter ( Exidia plana ), and the pinky-red jew's- ear ( Auricularia auricula-judae )
Someone's brainchild is an idea or invention that they have thought up or created.
irreversible cessation of respiration due to irreparable brain damage, even though the heart may continue beating with the aid of a mechanical ventilator : widely considered as the criterion of death
softening of the brain:
an abnormal softening of the tissues of the cerebrum characterized by various degrees of mental impairment
get your brain into gear:
to start thinking clearly about something, so that you can achieve what needs to be done
have a brain like a sieve:
to have a bad memory and often forget things
a group of knowledgeable people who discuss topics in public or on radio or television
rack one's brain to rack your brains:
If you rack your brains, you try very hard to think of something.