Untitled Deck Flashcards
How does information travel from the thalamus to primary visual cortex?
The optic radiations.
Primary visual cortex is also known as _____ and is located within the _____
V1, Calcarine sulcus.
The visual cortex is arranged _______
Retinotopically.
In class, we stared in the center of a faint blue ring. What is this an example of?
Visual adaptation.
In visual object recognition, we must solve with the problems of _______ and _______
Segregation, occlusion.
Optic ataxia is caused by damage to the ________
Dorsal pathway.
Patient DF was diagnosed with profound visual agnosia. She would be able to do all of the following except:
Copy a picture of an apple.
Because of ______, visual information from the fovea is represented in a _______ region of visual cortex.
Cortical magnification, larger.
What can we conclude about visual development from selective rearing experiments conducted on cats?
The perceptual inputs that young infants do (or do not) receive are very important in their brain development.
Which group of psychologists are known for developing the basic principle of ‘perceptual organization’?
Gestalt psychologists.
What is orientation tuning?
Orientation tuning explains why neurons fire more strongly to a specific orientation known as its preferred orientation.
What experiment would a neuroscientist run to determine the orientation tuning of a particular neuron in primary visual cortex?
A microelectrode could be used to record the neural firing upon the onset of a visual stimulus and slightly change the orientation of the stimuli until they find when it fires the most.
Describe the law of similarity and the law of proximity.
The law of similarity states that we will group objects together based on how similar they are, while the law of proximity states that we will group objects together based on how close they are to each other.
Give two real-world examples of how your brain might group together objects based on the law of similarity and the law of proximity.
Law of similarity: Grouping together flowers of the same shape/color. Law of proximity: Grouping different flowers together if they are along the same aisle.
Humans can rapidly identify the gist of a visual scene in a fraction of a second. To do this efficiently, they are probably using ______ in their ______.
Global image information, peripheral vision.
People with prosopagnosia have difficulty recognizing ________.
None of the above.
According to _______, objects are recognized as arrangements of simpler 3D shapes called ‘geons’.
Recognition by components theory.
True or false: Viewing human faces and ‘greebles’ activates the same regions of the fusiform gyrus.
False.
Region LO is on the lateral part of the fusiform gyrus and is important for processing ________.
Objects.
Describe the ‘change blindness’ demonstration we did at the end of class.
An image was shown, followed by a solid-colored image before showing a slightly altered version. The change was not detected until the solid-colored image was removed.
Which of the following is NOT true?
Visual attention is determined only in a bottom-up fashion by salient information in our environment.
Eye movements in a visual scene are affected by ________.
Salience and low-level contrast.
Which of the following is NOT a common symptom for individuals with ADHD?
A lack of empathy or inability to understand others’ emotions.
Eye movements are made up of _______ and _______.
Fixations, saccades.
