Nervous system Flashcards
Nerves that carry messages to the brain or spinal cord.
Afferent nerves
Due to damage of Wernicke’s area. An inability to recognize objects, words, or faces.
Agnosia
An area in the frontal lobe of the left hemisphere. Implicated in language production.
Broca’s area
Due to damage of the Broca’s area. An inability to produce or understand words.
Aphasia
A fiber tract that connects Wernicke’s and Broca’s speech areas
Arcuate Fasciculus
Consists of left and right hemispheres that sit at the top of the nervous system and engages
in a variety of higher-order functions.
Cerebrum
A part of the peripheral nervous system that connects to glands and smooth muscles. Consists
of sympathetic and parasympathetic divisions.
Autonomic nervous system
The major fissure that divides the frontal and the parietal lobes.
Central sulcus
A medial cortical portion of the nervous tissue that is a part of the limbic system.
Cingulate gyrus
A nervous system structure behind and below the cerebrum. Controls motor movement
coordination, balance, equilibrium, and muscle tone.
Cerebellum
A noninvasive brain-scanning procedure that uses X-ray absorption around the head.
Computerized axial tomography
The outermost layer of a developing fetus.
Ectoderm
Nerves that carry messages from the brain to glands and organs in the periphery.
Efferent nerves
A technique that is used to measure gross electrical activity of the brain by placing electrodes
on the scalp.
Electroencenphalography
A physiological measure of large electrical change in the brain produced by sensory stimulation
or motor responses.
Event related potentials
A part of the nervous system that contains the cerebral hemispheres, thalamus, and
hypothalamus.
Forebrain
(plural form, fornices) A nerve fiber tract that connects the hippocampus to mammillary
bodies.
Fornix
The most forward region (close to forehead) of the cerebral hemispheres.
Frontal lobe
Composes the bark or the cortex of the cerebrum and consists of the cell bodies of the neurons
(see also white matter).
Gray matter
(plural form, gyri) A bulge that is raised between or among fissures of the convoluted brain.
Gyrus
(or fMRI) A noninvasive brain-imaging technique that registers changes in blood flow in the
brain during a given task (also see magnetic resonance imaging).
Functional magnetic resonance imaging
plural form, hippocampi) A nucleus inside (medial) the temporal lobe implicated in learning
and memory.
Hippocampus