How Does Our Visual System Work?

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What is the function of bipolar cells in the human eye?

Convert light energy into electrochemical energy

Transduce light energy into neural electrochemical impulses

Protect the eye from external stimuli

Connect forward and outward to ganglion cells and backward and inward to the third layer of retinal cells (correct)

What is the function of photoreceptors in the visual system?

Convert light energy into electrochemical energy (correct)

Protect the cornea of the eye

Filter out harmful electromagnetic light energy

Transmit electrochemical impulses to the brain

Which part of the retina is responsible for transforming physical electromagnetic energy into neural impulses?

Cornea

Iris

Fovea (correct)

Pupil

What is the function of the dorsal pathway in visual processing?

Processing location and motion information (Where pathway) Signup and view all the answers

Which kind of photopigment reacts to light and transforms it into neural impulses?

Chemical substances Signup and view all the answers

What role does the vitreous humor play in the human eye?

Comprises the majority of the eye and provides support Signup and view all the answers

What type of deficit is associated with damage to the 'how' pathway?

Optic ataxia Signup and view all the answers

Which condition results in an inability to distinguish red from green colors?

Protanopia Signup and view all the answers

What type of impairment is characterized by an inability to recognize human faces?

Prosopagnosia Signup and view all the answers

Which area of the brain processes sensorimotor information related to movement?

Posterior parietal cortex Signup and view all the answers

Which type of color blindness can lead to confusion between blues and greens?

Tritanopia Signup and view all the answers

What is the primary impairment associated with simultagnosia?

Inability to pay attention to multiple objects Signup and view all the answers

What is backward visual masking?

The mental erasure of a stimulus by a subsequent stimulus Signup and view all the answers

In the iconic store, visual information is held for:

A few seconds Signup and view all the answers

Which memory store regulates the flow of information to and from the long-term memory?

Short-term store Signup and view all the answers

What does the short-term store do besides holding onto a few items?

Regulate the flow of information to and from the long-term store Signup and view all the answers

Which store holds memories that stay with us over long periods?

Long-term store Signup and view all the answers

Where does visual information appear to enter our memory system?

Iconic store Signup and view all the answers