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state the term - aneurysmsaneurysms are vascular dilations resulting from localised defects in the elasticity of a vessel they can be visualised as
determine the term - angiomasangiomas are congenital collections of abnormal vessels that divert the normal flow of blood these capillaries venous or
what is cerebral hemorrhagecerebral hemorrhage is a massive bleeding into the substance of the brain the most frequent cause is high blood pressure
state the term - migraine strokesince the late 1800s physicians have recognised that migraine attacks may lead to infarcts and permanent neurological
define the term - cerebral arteriosclerosisan embolism can be a blood clot a bubble of air a deposit of oil or fat or a small mass of cells detached
explain the term- cerebral ischemiaischemia refers to any of a group of disorders in which the symptoms are caused by vessel blockage preventing a
determine the term - vascular disordersnormal central nervous system functioning can be affected by a number of vascular problems because
state the classification of nervous systemneurological disorders can be categorised according to the primary location affected the primary type of
determine the causal factors of nervous systemalthough the brain and spinal cord are surrounded by tough membranes enclosed in the bones of the skull
in vivo imaging in psychiatryto illustrate the ingenious applications to which in vivo imaging can be put consider the use of pet in the study of
dissociation and double dissociationsneuropsychologists typically try to design studies that provide evidence of the differential performance of
determine about the national adult reading test the national adult reading test nart nelson 1982 allows the researcher to obtain an estimate of an
state about the lengthy administration of test batterythe lengthy administration of test battery may be unsuitable for some individuals such as
what is test batterya series of tests called a test battery will be given one widely used battery is halstead reitan which includes measures of
determine the term - neuropsychological approachthe neuropsychological approach relies on the use of tests in which poor performance may indicate
enumerate the working of mri scanner the mri scanner can be tuned to detect the very subtle disturbances to the magnetic field induced by the
define the term - functional magnetic resonance imagingfunctional magnetic resonance imaging fmri is a recent development that permits simultaneous
state the term - rcbfin rcbf the participant inhales a small amount of a radioactive gas such as xenon which is absorbed into the bloodstream and
determine the functional brain activitypet is powerful means of assessing functional brain activity although it does not directly measures neuronal
what is the uses of pet scans- brain functionpet scans provide colour-coded images of persons brain as they undertake different sorts of task such as
define in brief about the term - mri mri is a more recent development that was initially introduced as a rival to ct the technique itself is complex
what is computerised tomographycomputerised tomography ct but also known as computerised axial tomography or cat provides structural images to
what are the in-vivo imaging techniquesthe first of the in-vivo imaging techniques computer tomography ct scanning came on stream in the early 1970s
define the term - magnetoencephalographya variant erp known as magnetoencephalography meg has been developed meg which is still in its infancy
state the series of stimulierps a series of stimuli such as tones or light flashes are presented to the participant and the raw eeg for a precise one