Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
90 Cards in this Set
- Front
- Back
Treiman's feature integration theory (both have glasses)
|
Damage to downstream of V1. Most likely, the inferior parietal cortex (important for spatial attention)
|
|
encoding
|
Left PFC
|
|
Retreival
|
Right PFC
|
|
Episodic
|
Frontal Lobe
|
|
Semantic
|
Lateral Temporal Cortex
|
|
Priming (Elephant in static)
|
Perceptual Representation System-Left frontal cortex)
|
|
Skills/Habits
|
basal ganglia/cerebellum; Procedural Memory
|
|
Medial temporal lobe
|
(forms)
|
|
hippocampus
|
(consolidates)
|
|
Korsakoff’s syndrome (patient NA) amnesia)
|
Dorsomedial nucleus of thalamus
Mammilary bodies of hypothalamus |
|
Parkinsons positive
|
(resting tremors; rigidity)
|
|
Parkinsons negative symptoms
|
posture, locomotion, hypokinesia, bradykinesia)
|
|
(goal focused; make money)
|
DLPFC
|
|
Areas involved in general sensation (Coke vs. Pepsi study)
|
(VMPFC reward path)
|
|
brand-related processing (Coke vs. Pepsi study)
|
(Bilateral Hippocampus; Dorsolateral PFC)
|
|
“high-road” to the amygdala
|
slow + sure: thalamus-sensory cortex for finer analysis-amygdala)
|
|
“low-road” to the amygdala
|
(quick + dirty; responding to threat: thalamus/limited analysis-amygdala; bypass V1, ventral stream)
|
|
OCD
|
increased metabolic rates in orbitofrontal cortex, cingulate, and caudate nuclei
|
|
treatment of depression and anxiety disorders like OCD
|
SSRI’s like Prozac
surgery=stereotaxic cingulotomy lesions cingulate cortex. |
|
Schizophrenia symptoms
|
positive (hallucinations, delusions, and excited motor behavior)
negative symptoms (slow and impoverished though and speech, emotional social withdrawal, blunted affect=expression)? |
|
Schizphrenic abnormalities
|
hippocampus and amygdala are smaller
ventricular enlargement hypofrontality (underactivation of the frontal lobes) |
|
Phonemes
|
(smallest functioning unit of sound; cap v. tap)
|
|
Graphemes
|
smallest functioning unit of written language; letters)
|
|
Morphemes
|
(smallest meaningful unit of language (sign/signing)
|
|
Lemma level
|
(grammatical: noun, verb, male, female)
|
|
Lexical level
|
(phonological=through/threw; orthographic=threw/slew) (lexical selection=appropriate word for situation)
|
|
orthographic
|
threw/slew) (lexical selection=appropriate word for situation)
|
|
semantic:
|
threw-toss).
|
|
Broca's aphasia
|
(anterior non fluent aphasia)
|
|
Wernicke's aphasia
|
(posterior fluent aphasia
|
|
paraphasias
|
(plashing/splashing)
|
|
Accumulation
|
(fish turn blue, white belly)
|
|
more sexual territory)
|
(better spatial skills=bigger hippocampi
|
|
What types of memory are most affected by normal aging?
|
Sustaining attention
Inhibition WM Maintaining and manipulating Encoding/ retrieving episodic memory |
|
Medial Temporal Lobe
|
Forms/ consolidates new episodic and semantic memories
|
|
Temporal Cortex
|
Stores episodic/semantic knowledge
|
|
Assoc. sensory Cortex
|
Perceptual priming
|
|
Arcuate fasciculus
|
Axons connect posterior temporal (Wernickes) with frontal (Brocas)
Transmit language info between |
|
Extrapyramidal tracts
|
Maintaining posture and balance.
|
|
Deafferented
|
Signals from limb don’t reach CNS
Severed dorsal root of spinal cord |
|
Huntingtons disease
|
Atrophy of the striatum (caudate and putamen)
Clumsiness and involuntary head/trunk movements |
|
Cortico spinal tract
|
Originate in the primary motor cortex
|
|
Parkinsons disease
|
Loss of dopeminergic cells in substantia nigra (of basal ganglia)
Difficulty in initiating/slow movement, poor speech, resting tremors |
|
Bradykinesia
|
Slowness movement initiation and execution
|
|
Hemiplegia
|
Loss of voluntary movements on one side of the body.
Damage to the cortico spinal tract |
|
Premotor cortex
|
Forthcoming movement.
|
|
Supplementary motor area
|
Well learned movement production
|
|
Apraxia
|
Loss of skilled or purposeful movement
Cerebral Cortex lesion (left) |
|
Ideomotor apraxia
|
Hard to execute action
Know how but can’t do |
|
Ideational apraxia
|
Impaired intent of an action
Don’t know how to use tool |
|
Central Executive
|
Dorsolateral PFC
|
|
LPFC lesions (attention to tones)
|
no attention for both contralesional + ipsilesional tones
|
|
Stimulation when generating similar word
|
Left interior frontal gyrus
|
|
Can’t generate verb when too many choices
|
Left inferior frontal cortex
Activates left temporal lobe (maybe LTM storage for semantic |
|
Anterior cingulated
|
Found in the inferior prefrontal cortex
ACC=difficult task & novel condition (no need for SAS) ACC works with PFC to monitor operation of system |
|
(damaged in Gage)
|
Orbitofrontal cortex: Ventromedial prefrontal cortex
|
|
Social/ emotional decision making, processing, evaluation, filtering/inhibition
|
Orbitofrontal cortex:
Lateral-orbital prefromtal cortex. |
|
Spiral ganglion-
|
Cochlear nerve
Superior olivary nuclei (binaural input) Inferior colliculus Medial geniculate nucleus Auditory cortex |
|
Akinetopsia
|
Bilateral MT lesions
|
|
Achromatopsia
|
Inferior temporal V4/V8 lesions
|
|
Visual form agnosia
|
V1 inferior temporal cortex (ventral stream)
|
|
Optic Ataxia (Patient R.V.)
|
Impaired action perception (reading, grasping, eye movements)
Dorsal stream in posterior parietal cortex damage superior longitudinal fasciculus |
|
Dorsal Route
|
“Where” action
Superior longitudinal fasciculus (bundle of fibers) 40% respond to the fovea 60% respond to periphery (excluding fovea) |
|
Ventral Route
|
“What” identification
Inferior longitudinal fasciculas But less specific about location Receptive fields always encompass the fovea |
|
Association Agnosia
|
Can’t recognize
Downstream visual ventral pathway damage |
|
Prosopagnosia
|
Generally right hemisphere; possible configuration reliance
Superior temporal Sulcus respond specifically to faces |
|
Fusiformface area (FFA)
|
fusiform cortex right hemisphere (ventral stream)
|
|
(goal based; top down)
|
Dorsolateral PFC, ACC
|
|
perceptual; bottom up)
|
Occipital, parietal, and temporal (
|
|
Brocas area=
|
ventrolateral PFC
|
|
Retrograde Tracer
|
To find axon origination
|
|
The absolute refractory period:
|
Falling Phase
Na+ channels closed and inactivated Temporal coding: How many AP’s |
|
Acetylcholine
|
Makes mouth muscles contract as you smile
|
|
Temporal Resolution:
|
Single-unit recording = ERP = MEG > TMS > fMRI > PET > reversible induced lesions > chronic human lesions
|
|
Spatial Resolution:
|
Single-unit recording > reversible induced lesions > fMRI > PET = TMS > chronic human lesions > MEG > ERP.
|
|
Optic Radiations
|
LGN to V1 and whose axons course through the temporal and parietal lobes?
|
|
Blindsight damage
|
Primary visual cortex (V1) or the optic radiations (axons connecting the LGN to V1)
a) Blindsight represents functioning of the intact (not damaged) retino-collicular pathway. b) There are “islands of preserved cortical function” that support detection of the stimulus. |
|
Damage optic ataxia
|
Damage to the superior longitudinal fasciculus causes this disorder,
|
|
92%
Visual form agnosia is associated with damage to which area? |
c: LO 81%
|
|
Right Inferior Posterior Parietal Lobe
damage. |
Ipsilateral Cue/Ipsilateral Target fastest
d) Ipsilateral Cue/Contralateral Target slowest difficulty disengaging attention |
|
Question 1: A digit-span task :
|
b: Left Ventrolateral
|
|
Question 2: Mental rotation of imagined objects:
|
c: Right Dorsolateral Prefrontal Cortex
|
|
Question 3: Mental arithmetic of a sequence of numbers that are being spoken to you
|
a: Left Dorsolateral Prefrontal Cortex 50%
|
|
A 3-back task that involved matching spatial positions of a dot on the
computer screen |
c: Right Dorsolateral Prefrontal Cortex 50%
|
|
Question 5: A task requiring you to respond every time your face was shown
during a sequence of different faces |
d: Right Ventrolateral Prefrontal Cortex 42%
|
|
Question 1: A loud explosion occurs in the corner of your room, and you quickly
turn your head to see what it is. You have just demonstrated: |
d: exogenous overt orienting 82%
|
|
Which of these structures is more involved when you are first learning to serve a tennis ball as compared to when you have had extensive practice?
|
b: Cerebellum 56%
|
|
Which is these structures is more involved when you are imagining your tennis serve as opposed to
actually swinging the racket? |
d: Supplementary motor area (SMA) 82%
|
|
This region modulates motor activity by resolving competition between possible movements, thereby
gating only selected movements to action. |
c: Basal Ganglia 79%
|
|
PTSD (post-traumatic stress disorder) is thought to be due in part to problems with fear conditioning. Which of the following statements about PTSD is FALSE:
|
d: Drugs that block LTP might be useful in this disorder because they
increase the likelihood that new associations will be learned and replace the older associations that are causing the PTSD. 45% |