Exam 4: Recognizing Visual Objects

Topographic agnosia, another category-specific deficit in object recognition, may be due to damage to the:

In the context of neural basis of perceptual grouping, which principle of perceptual grouping may be represented by synchronized neural oscillations according to Gray et al. (1989)?

Nonexistent but perceptually real edges perceived as a result of edge completion are referred to as:

When people watch an ice-skating show, they perceptually place all the people skating to the left in one group and those skating to the right in a separate group. According to the principles of perceptual grouping clarified by the Gestalt psychologists, this illustrates the principle of:

_____ refer to the different retinal images that can be projected by the same object or category of objects, depending on the orientation of the object and the viewpoint of the observer.

According to the principles of perceptual grouping clarified by the Gestalt psychologists, the principle of _____ states that elements that are close together group more easily than elements that are far apart.

According to the _____, specific parts of the IT and occipital cortices along the ventral visual pathway are specialized for representing objects of specific categories.

Davenport and Potter (2004) conducted a study in which participants viewed photos of scenes, presented for only 80 msec, with foreground objects that were either consistent or inconsistent with the scene. Results from the study suggested that:

Individual _____ neurons respond MOST strongly to specific combinations of contour fragments, which can be located almost anywhere in the visual field.

Zhou et al. (2000) conducted single-cell recording experiments in monkeys that implicated area V2 in the process of assigning border ownership. Describe the experiment and its results.

_____ refers to a neuron that responds to a particular object at a conceptual level, firing in response to the object itself, a photo of it, its printed name, and so on.

Jerome opens his refrigerator and finds a carton of milk partially blocking a carton of eggs. His visual system is still able to perceive the egg carton in its entirety. This illustrates:

According to the _____, objects are represented by the pattern of activity across relatively wide expanses of cortex along the ventral pathway regardless of the category of objects.

Single neurons in the _____ cortex have much larger receptive fields and cover almost the entire retinal image.

The _____ involves matching an image of a test face as a whole with the images of the known faces in the database.

People suffering from a condition known as prosopagnosia are NOT able to:

Perceptual interpolation consists of _____ and _____.

The _____ focuses on identifying the most prominent anatomical attributes of a face and the spatial relations among them.

_____ refers to a pattern of neural activity in the brain that contains information about a stimulus and gives rise to a subjective perceptual experience of that stimulus, and _____ refers to the process of matching the representation of a stimulus to a representation stored in long-term memory, based on previous encounters with that stimulus or with similar stimuli.

People suffering from a condition known as visual agnosia: