Final Exam - Section 4 (11/29/16) Flashcards
Consciousness - collection of processes including talking, _________, thinking, _________
- emotion
- seeing
Presence of only simple reflexes does not indicate _________
consciousness
No single brain structure is responsible for consciousness
_________ permits being awake but awake is not _________
- Reticular formation
- consciousness
consciousness - Involves connection and cognitive functions of all _________ areas
cortical
Response to visual stimuli can be _________ or _________
- conscious
- unconscious
-Consciousness -
_________ – swing at baseball before perception of ball (dorsal stream)
Unconscious
-Consciousness-
Unconscious – swing at baseball before perception of ball (_________ stream)
dorsal
-Consciousness-
_________ – aware that a bird just landed in a nearby tree (ventral stream)
Conscious
-Consciousness-
Conscious – aware that a bird just landed in a nearby tree (_________ stream)
ventral
-Consciousness-
Unconscious (_________ stream)
dorsal
-Consciousness-
Conscious (_________ stream)
ventral
Neural basis:
To be conscious of an object, need to have input from many systems
- Arousal – awake
- _________ – sensory input
- Attention – attend to specific object
- _________ memory
- Perception
- Working
Neural basis:
To be conscious of an object, need to have input from many systems
- _________ – awake
- Perception – sensory input
- _________ – attend to specific object
- Working memory
- Arousal
- Attention
Can detect _________ neural activity across neural networks when become _________ of an object
- synchronous
- conscious
Possible brain regions necessary for _________ :
dorsolateral prefrontal cortex, medial frontal cortex,
posterior parietal
posterior cingulate
consciousness
_________ - Small thin layer possibly responsible for being conscious or not
Claustrum
-Consciousness -
_________ -
Has inputs from all cortical regions and output to all of these regions
Claustrum
-Consciousness-
Stimulation of _________ in one epileptic patient caused loss of consciousness
Claustrum
Stimulation of Claustrum in one epileptic patient caused loss of _________
consciousness
Stimuli that do not reach consciousness can elicit _________
emotions
Presentation of scrambled image to dominant eye and visible face to non-dominant eye (_________ )
intraocular suppression
during intraocular suppression test-
Face becomes invisible but STS and _________ react to fearful face
amygdala
-Consciousness -
Scientists propose two systems-
- Unconscious system that reacts _________ with no conscious thought
- Conscious system that responds _________ and takes into account relevant knowledge
- quickly
- slower
Drug addicts will often come up with explanations of behaviors that come from _________ system
unconscious
_________ :
Loss of oxygen and glucose supply to brain destroys neurons
Cerebral vascular disorders
Cerebral vascular disorders:
Loss of oxygen and _________ supply to brain destroys _________
- glucose
- neurons
Cerebral vascular disorders:
Loss/reduction of oxygen and glucose for more than ___ minutes, all cells _________
- 10
- die
Cerebral vascular disorders:
Most CNS vascular disease related to _________ system
arterial
_________ :
Most common causes of death and disability in western world
Cerebral vascular disorders
Cerebral vascular disorders:
Most _________ vascular disease related to arterial system
CNS
Cerebral vascular disorders:
Stroke (_________ ,CVA)
cerebral vascular accident,
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
- Interruption in _________
- Most common cause of death _________
- blood flow
- worldwide
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
_________ – area of dead or dying tissue due to obstruction of blood vessels
infarct
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
Results in an infarct – area of dead or dying tissue due to _________ of blood vessels
-obstruction
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
- Amount of damage depends on size and number of _________ affected
- -Less damage with _________ vessels and only parts of vessels affected
- blood vessels
- small
Cerebral vascular disorders:
_________ -
- Amount of damage depends on size and number of blood vessels affected
- -Less damage with small vessels and only parts of _________ affected
- Stroke (cerebral vascular accident, CVA)
- vessels
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
Multiple lesions can have _________ effects
cumulative
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
Effects depend on _________ of stroke
location
Cerebral vascular disorders:
Different types of stroke-
- _________ (blockage of artery stops blood supply to neural tissue)
Ischemic
Cerebral vascular disorders:
Different types of stroke-
-Ischemic (blockage of artery stops blood supply to _________ tissue)
neural
Cerebral vascular disorders:
Different types of stroke-
_________ - 85% of strokes
Ischemic
Cerebral vascular disorders:
Different types of stroke-
Ischemic -
- _________ (blood clot)
Thrombosis
Cerebral vascular disorders:
Different types of stroke-
Ischemic -
- Thrombosis (_________)
blood clot
Cerebral vascular disorders:
Different types of stroke-
_________ -
-Embolism (plug from larger vessel – clot, air bubble, oil or fat, mass of cells from tumor
Ischemic
Cerebral vascular disorders:
Different types of stroke-
Ischemic -
- _________ (plug from larger vessel – clot, air bubble, oil or fat, mass of cells from tumor
Embolism
Cerebral vascular disorders:
Different types of stroke-
Ischemic -
- Embolism (plug from larger vessel – clot, _________, oil or fat, mass of _________ from tumor
- air bubble
- cells
Cerebral vascular disorders:
Different types of stroke-
_________ -
-Related to cerebral arteriosclerosis (thickening or hardening of arteries)
Ischemic
Cerebral vascular disorders:
Different types of stroke-
Ischemic -
-Related to cerebral arteriosclerosis (thickening or hardening of _________ )
arteries
Cerebral vascular disorders:
Different types of stroke-
TIA – transient ischemic attack
–Migraine _________
vasospasm
Cerebral vascular disorders:
Different types of stroke-
Ischemic (_________ of artery stops blood supply to neural tissue)
blockage
Cerebral vascular disorders:
Ischemic-
- _________ - Forms somewhere else and moves to the blockage site
Embolism
Cerebral vascular disorders:
Ischemic-
- _________ - forms in the site of blockage
Thrombosis
Cerebral vascular disorders:
Ischemic-
-Embolism - Often forms in the _________ and moves towards the cns and forms the blockage
Heart
Cerebral vascular disorders:
Different types of stroke-
_________ (bleeding into the brain tissue)
Hemorrhagic
Cerebral vascular disorders:
Different types of stroke-
Hemorrhagic (bleeding into the _________ tissue)
brain
Cerebral vascular disorders:
Different types of stroke-
_________ -
-Temporary artery blockage
TIA – transient ischemic attack
Cerebral vascular disorders:
Different types of stroke-
_________ -
-Usually caused by hypertension
Hemorrhagic
Cerebral vascular disorders:
Different types of stroke-
_________ -
- Congenital issues with arteries
- Leukemia
Hemorrhagic
Cerebral vascular disorders:
Different types of stroke-
Hemorrhagic-
- Congenital issues with _________
- Leukemia
-arteries
Cerebral vascular disorders:
Different types of stroke-
_________-
- Brain trauma
- Abrupt onset
Hemorrhagic
Cerebral vascular disorders:
Different types of stroke-
_________-
- Usually during waking hours (higher BP)
- Poor prognosis
Hemorrhagic
Cerebral vascular disorders:
Different types of stroke-
Hemorrhagic-
- Usually during _________ hours (higher BP)
- Poor _________
- waking
- prognosis
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
_________ – collection of abnormal blood vessels (congenital)
Angiomas
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
Angiomas – collection of abnormal blood vessels (_________)
congenital
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
Angiomas –
–Abnormal _________ flow, _________ vessels
- blood
- weak
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
_________ – balloon-like expansion of part of blood vessel
Aneurysms
Cerebral vascular disorders:
Stroke (cerebral vascular accident, CVA)
_________ –
Congenital Hypertension Arteriosclerosis Embolism Infection Causes severe headache
Aneurysms
Cerebral vascular disorders:
Treatment-
_________ - used to dissolve a clot
t-PA (tissue plasminogen activator)
Cerebral vascular disorders:
Treatment-
t-PA (tissue plasminogen activator) -
- Increases bleeding so use in cases of _________ due to plug in artery
- Must be administered within ___ hours of stroke
- ischemia
- 3
Cerebral vascular disorders:
Treatment-
_________ – painted with plastic to prevent rupture or use stents or surgical repair
Aneurysms
Cerebral vascular disorders:
Treatment-
Drugs to reduce _________ after stroke (e.g., steroids)
edema
Cerebral vascular disorders:
Treatment-
_________ - for Aneurysms
Stent