Term
| Boundaries of the diencephalon: |
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Definition
| Sup- body and trigone of lat. ventricle
Rostral- interventricular foramen of Monro, ant. commisure, lamina terminalis
Post- post. commisure
Post/Inf- plane from post. commisure to just caudal to mamillary bodies
Ant/Inf- optic chiasma and median eminence of the hypothalamus |
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Term
| What are the components of the diencephalon? |
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Definition
Thalamus (dorsal thalamus) Epithalamus Subthalamus (Ventral thalamus) Hypothalamus |
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Term
| visual cortex (calcarine cortex) associated with: |
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Definition
| lateral geniculate nucleus |
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Term
| auditory cortex (transverse temporal gyrus of Heschl)associated with: |
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Definition
| medial geniculate nucleus |
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Term
| primary and secondary sensory cortices (postcentral gyrus)associated with: |
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Definition
ventral posterolateral nucleus and ventral posteromedial nucleus |
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Term
| Ventral anterior nucleus is the location for: |
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Definition
premotor cortex (supplementary motor) Brodmann area 6 and 8 |
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Term
| Ventral lateral nucleus is the location for: |
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Definition
| motor cortex- Brodmann area 4, in the pre-central gyrus |
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Term
| What are the types of thalamic nuclei? |
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Definition
sensory motor limbic multimodal intralaminar |
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Term
| Name the sensory thalamic nuclei: |
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Definition
| med. and lat. geniculate, ventral posterolateral, ventral posteromedial |
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Term
| Name the motor thalamic nuclei: |
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Definition
ventral anterior ventral lateral |
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Term
| Name the limbic thalamic nuclei: |
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Definition
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Term
| Dorsal medial nucleus is associated with: |
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Definition
| pre-frontal cortex and hypothalamus |
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Term
| Anterior nucleus associated with: |
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Definition
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Term
| Lateral posterior nucleus associated with: |
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Definition
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Term
| Lateral dorsal nucleus associated with: |
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Definition
|
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Term
| Name the multimodal thalamic nuclei? |
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Definition
lateral posterior lateral dorsal pulvinar |
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Term
| Pulvinar associated with: |
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Definition
| frontal, occipital, parietal and temporal lobes |
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Term
| Name the intralaminar thalamic nuclei: |
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Definition
centromedian parafascicular intralaminar reticular |
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Term
| Centromedian nucleus associated with: |
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Definition
| neostriatum (caudate nucleus) and motor cortex |
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Term
| Parafascicular nuclei associated with: |
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Definition
| rostral and lateral frontal lobe |
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Term
| _________and_________make up the thalamic nuclei. |
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Definition
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Term
| Thalamic nuclei are classified as_______ or ________based on their projections to the cerbral cortex. |
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Definition
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Term
| Components of the epithalamus: |
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Definition
pineal gland habenular nuclei stria medullaris thalami |
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Term
| Pinealocytes synthesize _________ from __________. |
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Definition
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Term
| Components of the subthalamus: |
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Definition
subthalamic nucleus (nucleus of Luys) prerubral field (Field H of Forel) zona incerta |
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Term
| Functions of the subthalamic nucleus: |
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Definition
-receives input from motor cortex -integrates activity with the globus pallidus of the basal ganglia |
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Term
| Lesions of the subthalamic nucleus result in ___________________. |
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Definition
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Term
| Hemiballismus results in rapid flailing movements of the ________________. |
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Definition
| contralateral upper extremity |
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Term
| The__________connects the ___________ with the base of the hypothalamus. |
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Definition
infundibulum pituitary gland |
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Term
| Main visceral control center of the body |
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Definition
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Term
| Lateral spinothalamic tract |
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Definition
| pain perception and localization |
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Term
| dorsal column- medial lemniscal pathway |
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Definition
| discriminative touch and proprioceptive sense perception |
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Term
| ventral and dorsal trigeminothalamic tracts synapse in the ______ __________ _______. |
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Definition
| ventral posteromedial nucleus |
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Term
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Definition
| Anterior nuc. of thalamus => Cingulate gyrus => Parahippocampal gyrus => Hippocampus => Fornix => Mammillary bodies => Mammilothalamic tract => Anterior nuc. of thalamus |
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Term
| The hypothalamus forms the inferolateral wall of the ____________. |
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Definition
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Term
| Extends from the optic chiasma to the posterior margin of the mammillary bodies |
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Definition
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Term
| bodily homeostasis maintained by the: |
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Definition
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Term
| Hypothalamus maintains bodily homeostasis by regulating: |
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Definition
-autonomic nervous system activity at brainstem and spinal cord levels -BP and HR, respiratory and digestive functions -emotional response and behavior -temperature -food intake -water balance and osmolality of the blood -sleep-wake cycles, circadian rhythms -Secretion of releasing and inhibiting hormones that control the anterior pituitary gland -synthesis of ADH and oxytocin |
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Term
| The __________ centers of the hypothalamus regulate ____ and ____, respiratory and digestive functions. |
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Definition
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Term
| What is circadian rhythm? |
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Definition
| increased melatonin secretion during the night; diminished secretion with exposure to light |
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Term
| In what 2 centers of the hypothalmus is food intake regulated? |
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Definition
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Term
| _________/ ___________ produced by the hypothalamus helps to regulate water balance and osmolality of the blood |
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Definition
| vasopressin/ antidiuretic hormone |
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Term
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Definition
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Term
| Components of the telencephalon: |
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Definition
cerebral cortex cereral ventricles white matter basal ganglia |
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Term
| The telencephalon was derived as an invagination of the_______________. |
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Definition
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Term
| The telencephalon gave rise to the____________ vesicles which became the __________ hemispheres |
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Definition
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Term
| Developmental growth of the brain occurs in a ______, _______, and ________ direction |
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Definition
| rostral, caudal, and inferior |
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Term
| pattern of growth of the brain |
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Definition
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Term
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Definition
frontal parietal temporal occipital limbic insular |
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Term
| The insular lobe of the brain is found in the ____________. |
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Definition
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Term
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Definition
singulate subcallosal parahippocampal |
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Term
| Frontal lobe located anterior to the ________. |
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Definition
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Term
| Primary motor area (precentral gyrus) |
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Definition
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Term
| __________ lobe located posterior to the central sulcus. |
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Definition
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Term
| primary sensory area -Brodman 3, 1, 2 |
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Definition
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Term
| Occipital lobe located behind the ___________. |
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Definition
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Term
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Definition
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Term
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Definition
| inferior to the lateral sulcus |
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Term
| Temporal lobe contains Brodman areas ____ and _____. |
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Definition
41- primary auditory cortex 22- Wernicke's area- language comprehension |
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Term
| Auditory association cortex located in: |
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Definition
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Term
Brodmann area 8 (frontal gaze center) function: location: |
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Definition
concerned with eye movements, frontal lobe-middle frontal gyrus |
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Term
| Brodmann areas ____ and ____ involved with __________. Responsible for word formation via connections with adjacent primary motor area. |
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Definition
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Term
| Brodmann area 44/45 located in _________ frontal gyrus of __________ cerebral hemisphere. |
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Definition
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Term
| Lesion in the inferior frontal gyrus/ Brodmann area 44/45 results in: |
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Definition
| Loss of ability to produce speech (Broca’s/motor/nonfluent aphasia) |
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Term
| Patients with Broca's aphasia lose the ability to produce speech but can _____, ______, and ______ the words that they hear or wish to say. |
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Definition
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Term
| The longitudinal fissure of the brain divides these lobes. |
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Definition
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Term
| Associtaion fibers of the white matter of the telencephalon are classified as: |
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Definition
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Term
| In short association fibers, communication is established with: |
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Definition
| only adjacent gyri within a lobe or adjacent lobes of the brain |
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Term
| In long association fibers, communication is established: |
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Definition
| between 2 or more lobes of the brain |
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Term
| Establishes communication between the frontal lobe and the temporal lobe |
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Definition
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Term
| 2 types of myelinated nerve fibers |
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Definition
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Term
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Definition
Corpus callosum Anterior commissure Commissure of the fornix (Hippocampal commissure) |
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Term
| 3 types of fibers in white matter: |
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Definition
association commissural projection |
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Term
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Definition
internal capsule optic radiation (Geniculocalcarine tract) |
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Term
| ____________ fibers connect corresponding regions of the two hemispheres. |
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Definition
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Term
| The ______ ventricle separates the two sides of the diencephalon. |
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Definition
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Term
| The cerebral aqueduct separates the ___ and ____ ventricles and is associated with the ____________. |
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Definition
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Term
| The ____ ventricle is located anterior to the cerebellum and is associated with the ____________________. |
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Definition
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Term
| The caudate nucleus, the putamen, and the globus pallidus are collectively known as the: |
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Definition
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Term
| The lenticular (lentiform) nucleus is comprised of the _________ and the __________. |
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Definition
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Term
| The caudate nucleus is referred to as the: |
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Definition
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Term
| The globus pallidus is referred to as the: |
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Definition
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Term
| Components of the basal ganglia: |
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Definition
caudate nucleus globus pallidus putamen amygdala claustrum substantia nigra |
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Term
| The ____________ has only a functional relationship to the basal ganglia. |
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Definition
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Term
| What ventricle is found within the diencephalon? |
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Definition
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Term
| The posterior commissure in the epithalamus is responsible for |
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Definition
| eye movement and pupillary light responses |
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Term
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Definition
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Term
| responsible for neuroendocrine, autonomic, and emotion |
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Definition
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Term
| contains the pineal gland and the posterior commissure |
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Definition
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Term
| On the ventral surface of the hypothalamus you will find: |
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Definition
optic chiasm infundibulum (pituitary stalk) mammillary bodies |
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Term
| function of the basal ganglia |
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Definition
| modulates the functions of the frontal cortex- motor function |
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