Quiz 4: Research Methods/ Visual System Flashcards
The case of D.F. provides strong support for Goodale and Milner’s theory of the functions of the dorsal and ventral streams. D.F.
a) could respond accurately to things that she did not consciously see
b) has bilateral damage to her ventral prestriate area
c) has bilateral damage to her posterior parietal cortex
d) both a and b
e) both a and c
d) both a and b
The receptive field of a visual neuron is the area of the
a) striate cortex within which stimulation can activate the neuron
b) striate cortex within which stimulation can inhibit the neuron
c) visual field within which the suitable visual stimulus can influence the firing of the neuron
d) retina within which stimulation with diffuse light can activate the neuron
e) either a or b
c) visual field within which the suitable visual stimulus can influence the firing of the neuron
You are able to see and consciously perceive objects, locations, colours, and movements all at once, together in a single, perceptual scene. The question of how this is achieved is the
a) blinding problem
b) binding problem
c) perceptual constancy problem
d) colour constancy problem
e) the visual unity problem
b) binding problem
According to evidence presented in Module 7, treating/correcting visual deficits in children should be
a) done early, because the eyes have greater potential to regenerate
b) done in later childhood, when children are better able to cope with stressful medical procedures
c) done early, when children are less aware of the stressful medical procedures
d) performed only when children are able to legally agree to the procedure
e) done early to allow the brain to adjust to the visual signals it receives
e) done early to allow the brain to adjust to the visual signals it receives
Neuroscientists insert specific opsin genes into particular neurons so that exposure to light influences their activity. This technique is generally referred to as
a) autoradiography
b) immunochemistry
c) brainbow
d) in situ hybridization
e) optogenetics
e) optogenetics
Subcortical electrodes can be accurately implanted using
a) non-invasive surgery
b) cerebral angiography
c) temporal resolution
d) signal averaging
e) stereotaxic surgery
e) stereotaxic surgery
At least two parallel channels of communication flow through each lateral geniculate nucleus. One runs through the __________ layers and a second runs through the _______ layers
a) on-centered; off-centered
b) parvocellular; magnocellular
c) blob; non-blob
d) simple; complex
b) parvocellular; magnocellular
On-center and off-center cells respond best to
a) consistency
b) contrast
c) high illumination
d) low illumination
b) contrast
The most widely used test of short-term memory is the
a) WAIS
b) digit span test
c) Wisconsin card sorting test
d) sodium amytal test
e) token test
b) digit span test
A temporary or reversible lesion can be produced by
a) excision or cutting
b) aspiration or suction
c) invasive EEG
d) cooling the target brain structure or injecting an anesthetic into it
e) radio-frequency current
d) cooling the target brain structure or injecting an anesthetic into it
With respect to vision, wavelength is to intensity as
a) colour is to loudness
b) colour is to brightness
c) wavelength is to colour
d) colour is to pattern
e) vision is to audition
b) colour is to brightness
Which of the following is a weakness of the gene knockout technique as a method of biopsychological research?
a) Most behavioural traits are influenced by many interacting genes
b) Elimination of one gene often influences the expression of other genes
c) The effects of some gene knockouts are likely to depend on experience
d) all of the above
e) none of the above
d) all of the above
In comparison to simple cortical cells, complex cells
a) have larger receptive fields
b) do not have receptive fields with static “on” and “off” areas
c) are often bilateral
d) all of the above
d) all of the above
According to one theory, the dorsal stream is involved in the perception of ____________ and the ventral stream is involved in the perception of _________
a) what objects are; where objects are
b) where objects are; what objects are
c) faces; objects
d) objects; faces
b) where objects are; what objects are
The retina-geniculate-striate system is organized
a) from top to bottom
b) from left to right
c) retinotopically
d) ipsilaterally
e) on the basis of wavelength
c) retinotopically
The University Animal Care Committee (UACC) is responsible for
a) ensuring that the use of animals in research meets or exceeds the standards of animal welfare established by the Animals for Research Act (Ontario), and the Canadian Council on Animal Care (CCAC)
b) teaching and promoting the ethical use and management of animals in research by providing training to personnel engaged in the care and research of animals
c) working with investigators and instructors to create a research and teaching environment that promotes animal welfare
d) working with the Canadian Council on Animal Care (CCAC) to ensure that all animal care facilities at Queen’s University meet or exceed the standards of care
e) all of the above
e) all of the above
Feller and Van Essen have identified visual areas in the
a) occipital and temporal lobe
b) occipital and frontal lobe
c) occipital, parietal, and temporal lobe
d) occipital, parietal, temporal, and frontal lobe
e) occipital and parietal lobe
d) occipital, parietal, temporal, and frontal lobe
The 3Rs of ethical animal research stand for
a) reduce redundancies and replication
b) replace, reduce, and refine
c) reduce, reuse, and recycle
d) regulation, reconstruction, and resilience
e) none of the above
b) replace, reduce, and refine
Binocular disparity
a) results from neural convergence
b) is an important depth-perception cue
c) is usually corrected by surgery
d) is mediated by the lateral geniculate
e) is usually corrected by glasses
b) is an important depth-perception cue
In a study discussed for Module 6, male and female rats were compared for their levels of anxiety on the elevated plus maze (EPM). The results showed that
a) females were more anxious only during the first 5 min of testing
b) males and females were equally anxious
c) females were more anxious than males
d) males were more anxious than females
e) males were more anxious only during the first 5 min of testing
d) males were more anxious than females
Light enters the human eye through an opening in the iris called the
a) pupil
b) retina
c) cornea
d) sclera
e) fovea
a) pupil
