Term
Function of Nonspecific nuclei |
|
Definition
Regulating consciousness, arousal and attention |
|
|
Term
|
Definition
Part of the basal ganglia circuit -involved in regulating movement |
|
|
Term
Function of Association nuclei |
|
Definition
processing emotinal and some meory information or integrating different types of sensation |
|
|
Term
|
Definition
-essential for species survival -intergrates behaviors w/ visceral functions |
|
|
Term
|
Definition
Conveying information from teh sensory systems (except olfactory), the basal ganglia, or cerebellum to the cerebral cortex |
|
|
Term
|
Definition
regulating circadian rhythms adn influencing the secretions of the pituitary gland, adrenals, parathyroids, and islets of langerhans |
|
|
Term
The anterior limb of internal capsule has what axonal projections? |
|
Definition
corticopontine and thalamolimbic |
|
|
Term
The genu of internal capsule has what axonal projections? |
|
Definition
corticobulbar and corticoreticular |
|
|
Term
the posterior limb of internal capsule has what axonal projections? |
|
Definition
thalamocortical retrolenticular corticospinal |
|
|
Term
|
Definition
-corticospinal -corticobulbar -thalamocortical |
|
|
Term
What receives information via the dorsal column-medial lemniscus system and the trigeminothalamocortical system? |
|
Definition
the primary somatosensory cortex |
|
|
Term
Recognition of an unseen object by touch and manipulation occus in |
|
Definition
-somatosensory association cortex |
|
|
Term
Categorizing sounds as language, music, or nois occurs in |
|
Definition
auditory association cortex |
|
|
Term
Initiation of movement, orientation planning, and bimanual and sequential movements are influenced by |
|
Definition
the supplementary motor area |
|
|
Term
Trunk and girdle muscles are controlled by descending signals from neurons in... |
|
Definition
|
|
Term
Functions of the dorsolateral prefrontal association cortex include |
|
Definition
-self awareness -executive decisions --deciding on goal --planning on how to accomplish that goal --executing a plan --monitoring the execution of plan |
|
|
Term
The parietotemporal association area is important for |
|
Definition
-problem solving -comprehension of communication -understanding of spatial relationships |
|
|
Term
The limbic association is located in teh |
|
Definition
anterior temporal lobe and orbitofrontal cortex |
|
|
Term
Functions of the limbic system include |
|
Definition
-processing declarative memory and mediation of emotions |
|
|
Term
The somatic marker hypothesis is... |
|
Definition
Theory that emotions are crucial for soudn judgments -decision making process involves imagining consequences and attending to emotional signals that result from prior experience and provide gut feelings -emotional signals are considered in decision process |
|
|
Term
What are the effects of persistently high levels of cortisol (i.e., a prolonged stress response)? |
|
Definition
-suppression of immune function -increased incidence of colitis, cardiovascular disorders, and adult-onset diabetes
-interference with memory and attention in healthy elderly people |
|
|
Term
|
Definition
-AKA cognitive, explicit, or conscious memory -recollection easily verbalized -requires attention during recall -facts events, concepts and locations -has 3 stages (immediate, shorterm, long term) -voluntary control occurs in frontal lobe via selecting info to store and accessing stored info. |
|
|
Term
|
Definition
the conversion of short term memory into long term memory.
Occurs in hippocampus |
|
|
Term
|
Definition
-Awareness of feelings associated w/ memory -not well researched -fear involves amygdala -damage to other memory systems has no affect on emotion. |
|
|
Term
|
Definition
-recall of habits and skills -AKA skill, habit, non-conscious memory, or implicit memory -recall necessary to accomplish task -can produce changes in performance w/o conscious awarness (ex: HM) |
|
|
Term
What structure is required for the processing of declarative memory? |
|
Definition
-hippocampus is responsible for processing but not storage. |
|
|
Term
Shat structures are required for the establishment of motor memory? |
|
Definition
-frontal cortex -thalamus -striatum |
|
|
Term
What is area of the brain tha specializes in comprehension of spoken language? |
|
Definition
-Wernicke's Area
- located in Left parietotemporal cortex. |
|
|
Term
Where is the nucleus accumbens located? |
|
Definition
-Ventral striatum b/t the putamen and caudate |
|
|
Term
What is the name of the pathway from vestibular nuclei to primary vestibular cortex? |
|
Definition
The vestibulothalamo cortical |
|
|
Term
What area of the brain provides instructions for producing emotional gestures and the intonation of speech? |
|
Definition
The corresponding area to Broca's Area |
|
|
Term
What part of the brain provides schemas of the body in relation to its surroundings and the external world? |
|
Definition
Corresponding area to wernicke's area |
|
|
Term
The aspects of consciousness and their neuromodulators: |
|
Definition
-Generalized arousal level --(seratonin)
-Attentions (direction of consciousness) --Norepinephrine
-Selection of object of attention (based upon goals) --Acetylcholine
-Motivation, Motor activity, and Cognition --Dopamine |
|
|
Term
The effects of serotonin? |
|
Definition
-general level of arousal |
|
|
Term
The effects of norepinephrine |
|
Definition
conscious attention and vigilance |
|
|
Term
The effects of acetylcholine? |
|
Definition
voluntary attention toward environment based on desired goal |
|
|
Term
|
Definition
initiation of motor or cognitive actions |
|
|
Term
The difference b/t the dorsal and ventral stream for visual information? |
|
Definition
-Dorsal stream flows to the frontal lobe via the post-parietal cortex --AKA action stream --Helps adjust limb movements
-The Ventral stream flows to temporal lobe --AKA perceptual stream --helps identify objects |
|
|
Term
Action stream for visual information |
|
Definition
-flows dorsally via post-parietal cortex to frontal lobe -helps adjust limb movements -processed by visual association cortex |
|
|
Term
|
Definition
nuclei that interpret facial expressions, body language and social signals. -essential for social behavior and emotional learning Together the amygdala, orbitofrontal cortex, and anterior cingulate gyrus regulate emotional behaviors and motivation. - The amygdala consists of an almond-shaped collection of nuclei deep to the uncus in the temporal lobe. |
|
|
Term
area, corresponding to Broca’s area |
|
Definition
region of the cerebral cortex inferior to the premotor area and anterior to the face and throat region of the primary motor cortex. Usually in the right hemisphere. Plans nonverbal communication, including emotional gestures and adjusting the tone of voice. |
|
|
Term
area, corresponding to Wernicke’s area |
|
Definition
subregion of the parietotemporal cortex where interpretation of the nonverbal signals from other people and understanding of spatial relationships occur. Usually located on the right side. |
|
|
Term
|
Definition
axons connecting cortical regions within one hemisphere |
|
|
Term
|
Definition
thalamic nuclei that connect reciprocally with large areas of cerebral cortex. Association nuclei are found in the anterior thalamus, medial thalamus, and dorsal tier of the lateral thalamus. |
|
|
Term
|
Definition
region of cortex that provides instructions for language output, including planning the movements to produce speech and providing grammatical function words, such as the articles a, an, and the. Located inferior to the premotor area and anterior to the face and throat region of the primary motor cortex, usually in the left hemisphere. |
|
|
Term
|
Definition
histologic regions of the cerebral cortex mapped by Brodmann. Often used to designate functional areas. |
|
|
Term
|
Definition
gray matter covering the cerebral hemispheres |
|
|
Term
|
Definition
axons connecting homologous areas of the nervous system |
|
|
Term
|
Definition
large fiber bundle connecting the right and left cerebral cortices |
|
|
Term
|
Definition
a steroid hormone that mobilizes energy (glucose), suppresses immune responses, and serves as an antiinflammatory agent. Secreted by the adrenal glands. Syn.: hydrocortisone. |
|
|
Term
|
Definition
the major structure of the epithalamus is the pineal gland, an endocrine gland innervated by sympathetic fibers. The pineal gland is believed to help regulate circadian (daily) rhythms and influence the secretions of the pituitary gland, adrenals, and parathyroids. |
|
|
Term
|
Definition
arch-shaped fiber bundle connecting the hippocampus with the mamillary body and anterior nucleus of the thalamus. |
|
|
Term
|
Definition
part of the limbic system. Important in processing, but not storage of, declarative memories. Formed by the gray and white matter of two gyri rolled together in the medial temporal lobe. |
|
|
Term
|
Definition
the ventromedial part of the diencephalon. Plays a major role in regulation of the autonomic and endocrine systems, and contributes to emotional and motivational states. |
|
|
Term
|
Definition
e axons connecting the cerebral cortex with subcortical structures. The internal capsule is white matter bordered by the thalamus medially and the caudate and lenticular nucleus laterally. The internal capsule has three parts: anterior limb, genu, and posterior limb. |
|
|
Term
|
Definition
part of the cerebral cortex involved in regulating mood (subjective feelings), affect (observable demeanor), and processing of some types of memory. Located in the anterior temporal lobe and in the orbitofrontal cortex (above the eyes). |
|
|
Term
|
Definition
part of the limbic system. A C-shaped region of cortex located on the medial hemisphere, consisting of the cingulate gyrus, parahippocampal gyrus, and uncus (a medial protrusion of the parahippocampal gyrus). |
|
|
Term
|
Definition
regions of the cerebral cortex involved in organizing movement. Motor planning areas include supplementary motor area, premotor area, Broca’s area, and the area corresponding to Broca’s area. |
|
|
Term
|
Definition
thalamic nuclei that receive multiple types of input and project to widespread areas of cortex. This functional group includes the reticular, midline, and intralaminar nuclei, important in consciousness and arousal. |
|
|
Term
|
Definition
group of neurons located at the junction of the head of the caudate and the anterior part of the putamen. Involved in reward, pleasure, and addiction. |
|
|
Term
areas, parietotemporal association |
|
Definition
part of the cerebral cortex devoted to intelligence, problem solving, and comprehension of communication and spatial relationships. Located at the junction of the parietal, occipital, and temporal lobes. |
|
|
Term
|
Definition
anterior part of the frontal cortex, responsible for self-awareness and executive functions (also called goal-oriented behavior). Executive functions include deciding on a goal, planning how to accomplish the goal, executing the plan, and monitoring the outcome of the action. |
|
|
Term
|
Definition
controls trunk and girdle muscles via the medial upper motor neurons |
|
|
Term
|
Definition
part of the cerebral cortex. Origin of many cortical upper motor neurons that influence contralateral voluntary movements, particularly the fine, fractionated movements of the hand and face. Located in the precentral gyrus, anterior to the central sulcus. |
|
|
Term
|
Definition
areas of the cerebral cortex that receive sensory information directly from the ventral tier of thalamic nuclei. Each primary sensory area discriminates among different intensities and qualities of one type of sensory input. Separate primary sensory areas are devoted to somatosensory, auditory, visual, and vestibular information. |
|
|
Term
|
Definition
part of the basal ganglia circuit, involved in regulating movement. The subthalamus facilitates the basal ganglia output nuclei. The subthalamus is located superior to the substantia nigra of the midbrain. |
|
|
Term
area, supplementary motor |
|
Definition
a region of the cerebral cortex involved in preparing for movement, orientation of the eyes and head, and planning bimanual and sequential movements. Located anterior to the lower body region of the primary motor cortex on the superior and medial surface of the hemisphere. |
|
|
Term
|
Definition
subregion of the parietotemporal cortex where comprehension of language occurs. Usually located on the left side. |
|
|
Term
Lesion to posterior limb of the internal capsule results in |
|
Definition
-contralateral deficits of voluntary movement and conscious somatosensation |
|
|
Term
Lesion of primary auditory cortex results in |
|
Definition
loss of conscious localization of sounds |
|
|
Term
lesion of somatosensory association area results in |
|
Definition
|
|
Term
lesion of primary visual cortex results in |
|
Definition
|
|
Term
lesion of Caudate nucleus resluts in |
|
Definition
-apathy, w/ loss of initiative, spontaneous thought, and/or emotional responses |
|
|
Term
lesion of Visual association cortex results in.. |
|
Definition
|
|
Term
If you:cannot pick up a pen when asked to do so, but able to pick up a pen automatically when you want to write You have... |
|
Definition
|
|
Term
If you: cannont individually move the fingers on one hand You have... |
|
Definition
|
|
Term
If you: cannot plan, comppletely lack initiative You have... |
|
Definition
executive function deficits |
|
|
Term
If you: repeatedly pick up an object although you intended to put it down You have... |
|
Definition
|
|
Term
If you: Cannot speak or write fluently, but can understand speech and gestures; and have no difficulty with chewing or swallowing You have... |
|
Definition
|
|
Term
If you: speak w/ difficulty; speech is harsh and robotic; language comprehension is not imparied than You have... |
|
Definition
|
|
Term
Why are the worst deficits seen distally in people w/ severe lesions of the primary motor cortex? |
|
Definition
The most severe functional losses occur in the hands, feet, and facial muscles following injury to the primary motor cortex because fine motor control is provided exclusively by the contralateral primary motor cortex. |
|
|
Term
Why do people w/ orbitofrontal lesions exhibit poor judgment despite intact intellectual abilities? |
|
Definition
Following lesions to the orbitofrontal cortex, people may exhibit poor judgment associated with impulsive behavior and poor awareness of the sense of risk. |
|
|
Term
Can people with declarative memory deficits lean new motor skills? Why or why not? |
|
Definition
Yes, people with declarative memory deficits can learn new motor skills because motor and declarative memory are processed by different areas within the CNS. |
|
|
Term
The inability to understand written or spoken language despite the ability to produce fluent speech is characterized as |
|
Definition
|
|
Term
Dysarthria is caused by a lesion of |
|
Definition
lower motorneurons or corticobulbar neurons |
|
|
Term
Synonyms for Broca's aphasia include |
|
Definition
-Motor aphasia -Expressive aphasia -Nonfluent aphasia |
|
|
Term
Which of the following best defines anosognosia? |
|
Definition
Denial of functional deficits in the paretic limb |
|
|
Term
If a person speaks in a monotone, is unable to effectively communicate nonverbally, and lacks emotional gestures and facial expressions, the lesion is located in: |
|
Definition
Area corresponding to Broca's in the nondominant hemishere? |
|
|
Term
Which of the following may occur w/ damage to the area corresponding to Wernicke's area? |
|
Definition
-Inability to understand nonverbal communication -personal neglect -spatial neglect |
|
|
Term
What characterizes spatial neglect? |
|
Definition
-navigation apraxia -dressing apraxia |
|
|
Term
|
Definition
inability to recognize the shape, orientation, or size of objects |
|
|
Term
|
Definition
inability to orient the hand to objects when reaching, despite being able to describe and identify the objects based on visual information |
|
|
Term
Describe Attention deficit disorder |
|
Definition
difficulty in sustaining attention, with onset during childhood |
|
|
Term
|
Definition
sudden episodes of involuntary moements, disruption of autonomic regulation, illusions, and/or hallucinations |
|
|
Term
|
Definition
Disorientation w/ impaired memory, judgement, and intellect |
|
|
Term
Describe contraversive pushing |
|
Definition
loss of midline orientation relative to gravity when sitting or standing |
|
|
Term
What typically occurs following traumatic head injury? |
|
Definition
-impulsiveness and inappropriate behaviors -difficulty in directing attention -decreased executive functions |
|
|
Term
Consequences of violent shaking of an infant may include: |
|
Definition
-cerebra edema -cerebral hemorrhage -development of motor abnormalities as the infant matures -emergence of cognitive deficits as the infant matures |
|
|
Term
Which of the following describes the motor control approach to regaining function subsequent to a stroke? |
|
Definition
The desired task is practiced in teh environment where the client wil be performing the task. |
|
|
Term
Name location of lesion with disorder: Inability to name objects, despite intatct automatic social speech |
|
Definition
|
|
Term
Name location of lesion with disorder: Inability to button a shirt despite intact sensation, motor control, and understanding of the task |
|
Definition
premotor or supplementary motor areas |
|
|
Term
Name location of lesion with disorder: Inability to answer the questions "where are we now?" and "In which city and state do you live?" |
|
Definition
hippocampus, wernicke's area, or broca's area |
|
|
Term
Name location of lesion with disorder: Inability to identify an object by touch and manipulation, despite having intact awareness of discriminative touch |
|
Definition
Somatosensory association cortex |
|
|
Term
What is the differenct b/t a somatoform disorder and malingering? |
|
Definition
In somatoform disorders, no external gain can be identified. In contrast when a person is malingering, an external gain can be identified. |
|
|
Term
|
Definition
general term for the inability to recognize objects when using a specific sense, even though discriminative ability with that sense is intact. Specific types of agnosia include astereognosis, visual agnosia, and auditory agnosia. |
|
|
Term
|
Definition
diminished or lost ability to produce written language |
|
|
Term
|
Definition
diminished or lost ability to comprehend written language |
|
|
Term
|
Definition
disorder of language expression or comprehension. Deficit in the ability to produce understandable speech and writing or the ability to understand written and spoken language. |
|
|
Term
|
Definition
inability to perform a movement or sequence of movements despite intact sensation, automatic motor output, and understanding of the task |
|
|
Term
|
Definition
inability to identify objects by touch and manipulation despite intact discriminative somatosensation |
|
|
Term
|
Definition
speech disorder resulting from paralysis, incoordination, or hyperstiffness of muscles used for speaking. Caused by upper or lower motor neuron lesions or muscle dysfunction. Comprehension of spoken language, writing, and reading are not affected by dysarthria. Two types of dysarthria may be distinguished: spastic, caused by damage of upper motor neurons, and flaccid, resulting from damage to lower motor neurons. |
|
|
Term
|
Definition
difficulty expressing oneself by language or symbols. A person with Broca’s aphasia has deficits in both speaking and writing. Syn.: motor aphasia, expressive aphasia. |
|
|
Term
|
Definition
impairment of language comprehension. People with Wernicke’s aphasia easily produce spoken sounds, but the output is often meaningless. Listening to other people speak is equally meaningless, despite the ability to hear normally. Syn.: receptive aphasia, sensory aphasia. |
|
|