Exam 5: Vision

 Professor Hancock is giving a lecture about peripheral vision. Which is the most likely to say?

 The ____ of any neuron in the visual system is the area of the visual field that excites or inhibits it.

 Chemicals that release energy when struck by light are called ____.

 What would be the likely outcome of a person who was blind at birth, and had vision restored later in life by the removal of cataracts (clouded lenses)?

 Astigmatism refers to the ____.

 What type of cell responds to a pattern of light in a particular orientation anywhere within its large receptive field, regardless of the exact location of the stimulus?

 Which cell responds most strongly to a stimulus moving perpendicular to its axis?

 Photopigments are stable in the dark.

 The receptive field of a receptor is the ____.

 Johannes Müller held that whatever excites a particular nerve establishes a special kind of energy unique to that nerve.

 Light enters the eye through an opening in the center of the iris called the ____.

 The primary visual cortex sends its information ____.

 Someone with prosopagnosia has difficulty with ____.

 According to the Young-Helmholtz theory, what is the basis for color vision?

 Jamison has prosopagnosia. What part of his vision is disrupted?

 According to the trichromatic theory, we can perceive only three colors.

 What is one way to determine whether a given cell in the primary visual cortex is "simple" or "complex"?

 Which of the following would be easiest for someone who is motion blind?

 As a human, Lino is really good at detecting motion. This is because of his _____.

 ____ are chemicals that release energy when struck by light.