HomeCoursesMEDSCI 142: Organ SystemsLecture 3 Lecture 3 0% Question 1 of 47 Describe Exner’s area in terms of function and location? Middle frontal gyrus – speech motors.Describe Exner’s area in terms of function and location? == Middle frontal gyrus – speech motors.Question 1 of 47Question 2 of 47 Describe the function and location of the frontal eye fields? Middle frontal gyrus – move eye muscles.Describe the function and location of the frontal eye fields? == Middle frontal gyrus – move eye muscles.Question 2 of 47Question 3 of 47 Describe the function and location of Broca’s speech area? Inferior frontal gyrus – speech planning.Describe the function and location of Broca’s speech area? == Inferior frontal gyrus – speech planning. Question 3 of 47Question 4 of 47 Describe frontal cortex.? Frontal Lobe – intelligence, planning, conscience, memory.Describe frontal cortex.? == Frontal Lobe – intelligence, planning, conscience, memory. Question 4 of 47Question 5 of 47 Describe primary auditory cortex? Superior temporal lobe – tonic differentiation.Describe primary auditory cortex? == Superior temporal lobe – tonic differentiation. Question 5 of 47Question 6 of 47 Describe primary auditory cortex? Superior temporal lobe – tonic differentiation.Describe primary auditory cortex? == Superior temporal lobe – tonic differentiation. Question 6 of 47Question 7 of 47 Describe Arcuate Fasciculus ? From Wernicke’s to Broca’s. Connects interpretation and execution.Describe Arcuate Fasciculus ? == From Wernicke’s to Broca’s. Connects interpretation and execution. Question 7 of 47Question 8 of 47 After a stroke someone cannot understand language; what part of the brain might have problems? Wernicke’sAfter a stroke someone cannot understand language; what part of the brain might have problems? == Wernicke’s Question 8 of 47Question 9 of 47 What is this disease referred to as? Fluent aphasia.What is this disease referred to as? == Fluent aphasia. Question 9 of 47Question 10 of 47 Someone has trouble articulating speech, but comprehends fine, which area has problems? Broca’s area.Someone has trouble articulating speech, but comprehends fine, which area has problems? == Broca’s area. Question 10 of 47Question 11 of 47 What is this referred to as? Non-fluent aphasia.What is this referred to as? == Non-fluent aphasia. Question 11 of 47Question 12 of 47 If someone can articulate and comprehend but cannot issue the appropriate response? Non-fluent aphasia.If someone can articulate and comprehend but cannot issue the appropriate response? == Non-fluent aphasia. Question 12 of 47Question 13 of 47 What is this referred to as? Fluent aphasia.What is this referred to as? == Fluent aphasia. Question 13 of 47Question 14 of 47 What is the temporal association cortex related to? Auditory perception / memory.What is the temporal association cortex related to? == Auditory perception / memory. Question 14 of 47Question 15 of 47 Describe function and location of SMGLA? Interpretation of written language (reading) – parietal lobe.Describe function and location of SMGLA? == Interpretation of written language (reading) – parietal lobe. Question 15 of 47Question 16 of 47 Describe function and location of AGLA? Writing – parietal lobe.Describe function and location of AGLA? == Writing – parietal lobe. Question 16 of 47Question 17 of 47 Describe function and location of Parietal Association Cortex? Touch and somatic perception – parietal lobe.Describe function and location of Parietal Association Cortex? == Touch and somatic perception – parietal lobe. Question 17 of 47Question 18 of 47 Describe function and location of Primary Visual Cortex? Occipital pole – vision.Describe function and location of Primary Visual Cortex? == Occipital pole – vision. Question 18 of 47Question 19 of 47 Describe function and location of secondary/supplementary visual cortex? Temporal lobe – memories, spatial awareness.Describe function and location of secondary/supplementary visual cortex? == Temporal lobe – memories, spatial awareness. Question 19 of 47Question 20 of 47 Which visual cortex is responsible for receiving visual sensory info? Primary visual cortex.Which visual cortex is responsible for receiving visual sensory info? == Primary visual cortex. Question 20 of 47Question 21 of 47 Which visual cortex is responsible for interpreting visual sensory info? Primary visual association cortexWhich visual cortex is responsible for interpreting visual sensory info? == Primary visual association cortex Question 21 of 47Question 22 of 47 Describe structure and function of the Non Dominant Hemisphere? Adding emotion to speech.Describe structure and function of the Non Dominant Hemisphere? == Adding emotion to speech. Question 22 of 47Question 23 of 47 What are the principal functions of the basal ganglia? (2) Mood and movement.What are the principal functions of the basal ganglia? (2) == Mood and movement. Question 23 of 47Question 24 of 47 What type of movements does the basal ganglia control? (2) Initiate movement / fine motor control.What type of movements does the basal ganglia control? (2) == Initiate movement / fine motor control. Question 24 of 47Question 25 of 47 What separates the caudate nucleus from the putamen? Internal capsule.What separates the caudate nucleus from the putamen? == Internal capsule. Question 25 of 47Question 26 of 47 Which is the only basal ganglia structure that isn’t in the forebrain? Substantia nigra.Which is the only basal ganglia structure that isn’t in the forebrain? == Substantia nigra. Question 26 of 47Question 27 of 47 Which is the only basal ganglia structure that isn’t in the forebrain? Substantia nigra.Which is the only basal ganglia structure that isn’t in the forebrain? == Substantia nigra. Question 27 of 47Question 28 of 47 Where is it? Mid brain.Where is it? == Mid brain. Question 28 of 47Question 29 of 47 Name the 5 basal ganglia? Substantia nigra, putamen (striatum), globus pallidus, caudate nucleus, subthalamic nucleus.Name the 5 basal ganglia? == Substantia nigra, putamen (striatum), globus pallidus, caudate nucleus, subthalamic nucleus. Question 29 of 47Question 30 of 47 Where is the claustrum? What is its function? Lateral to putamen, vision attention.Where is the claustrum? What is its function? == Lateral to putamen, vision attention. Question 30 of 47Question 31 of 47 What is a pyramidal cell? Large cell motor neuron.What is a pyramidal cell? == Large cell motor neuron. Question 31 of 47Question 32 of 47 What is the basic pathway for fine motor improvement / initiation? Cortex planning – putamen – globus pallidus ext – globus pallidus int – thalamus – cortex plan.What is the basic pathway for fine motor improvement / initiation? == Cortex planning – putamen – globus pallidus ext – globus pallidus int – thalamus – cortex plan. Question 32 of 47Question 33 of 47 Which neurons utilises glutamate? (exitotory) (2) Cortex – striatul, thalamus – motor cortex planning.Which neurons utilises glutamate? (exitotory) (2) == Cortex – striatul, thalamus – motor cortex planning. Question 33 of 47Question 34 of 47 Which neurons use GABA? (3) Striatim – globus pallidus – thalamus.Which neurons use GABA? (3) == Striatim – globus pallidus – thalamus. Question 34 of 47Question 35 of 47 Is GABA inhibitory or excitatory? Inhibitory.Is GABA inhibitory or excitatory? == Inhibitory. Question 35 of 47Question 36 of 47 Which structures are the pars reticulata and pars compacta a part of? Substantia nigra.Which structures are the pars reticulata and pars compacta a part of? == Substantia nigra. Question 36 of 47Question 37 of 47 What two main types of fibre govern whether dopamine will be excitatory or inhibitory? D1-like / D2-like.What two main types of fibre govern whether dopamine will be excitatory or inhibitory? == D1-like / D2-like. Question 37 of 47Question 38 of 47 Which movements does the cerebellum control? Learned (patterns) termination, co ordination, unconscious, ballistic.Which movements does the cerebellum control? == Learned (patterns) termination, co ordination, unconscious, ballistic. Question 38 of 47Question 39 of 47 Which neurotransmitter does it use? Glutamate.Which neurotransmitter does it use? == Glutamate. Question 39 of 47Question 40 of 47 What is the pathway of the corticospinal tract? Motor cortex – internal capsule – crus cerebri – pons – medulla – sc.What is the pathway of the corticospinal tract? == Motor cortex – internal capsule – crus cerebri – pons – medulla – sc. Question 40 of 47Question 41 of 47 What does the corticospinal tract do at the pons? Separates into smaller bundles to navigate structures.What does the corticospinal tract do at the pons? == Separates into smaller bundles to navigate structures. Question 41 of 47Question 42 of 47 What happens at the medulla? 85% decussate.What happens at the medulla? == 85% decussate. Question 42 of 47Question 43 of 47 Where do the remaining 15% decussate? Spinal segmented level.Where do the remaining 15% decussate? == Spinal segmented level. Question 43 of 47Question 44 of 47 Which muscles do the 85% innervate? Arms / legs / trunk (precise).Which muscles do the 85% innervate? == Arms / legs / trunk (precise). Question 44 of 47Question 45 of 47 Which muscles do the 15% innervate? Core muscles / spine (imprecise).Which muscles do the 15% innervate? == Core muscles / spine (imprecise). Question 45 of 47Question 46 of 47 Which part of the spinal cord do upper motor neurons descend? Ventral grey horn.Which part of the spinal cord do upper motor neurons descend? == Ventral grey horn. Question 46 of 47Question 47 of 47 Describe the resultant difference between a lesion in an upper MN and LMN? VMN = spastic paralysis (no fine movement control & over excitation). LMN = flaccid paralysis.Describe the resultant difference between a lesion in an upper MN and LMN? == VMN = spastic paralysis (no fine movement control & over excitation). LMN = flaccid paralysis. Question 47 of 47 Loading...