Cerebral Achromatopsia Case Study: Mr. I

Play an AI-generated podcast conversation about this lesson

What is the term used to describe motion that is produced by a person or living organism?

Biological motion (correct)

Visual motion

Perceptual motion

Organic motion

What is the function of the corollary discharge signal (CDS) in motion perception?

Calculating motion by comparing images

Detecting depth perception

Creating a copy of the motor signal from the eyes (correct)

Activating neurons in the occipital lobe

Which brain area contains neurons that are selective for motion in specific directions?

Frontal cortex

Superior temporal sulcus (STS)

Occipital lobe

Middle temporal (MT) area (correct)

What is the term for the self-produced movement that occurs as objects appear to move past an observer?

Optic flow Signup and view all the answers

Which of the following scenarios leads to the perception of motion according to the text?

Moving object, stationary eyes Signup and view all the answers

What is the term for the concept where flow is more rapid close to the moving observer and slower further away?

Gradient of flow Signup and view all the answers

What is the name of the condition Mr.I had after his car accident?

Achromatopsia Signup and view all the answers

How does chromatic adaptation affect our perception of colors?

Reduces sensitivity to specific wavelengths Signup and view all the answers

What is the effect of staring at a red field on our perception of other red objects?

It reduces the saturation and brightness of other red objects Signup and view all the answers

Which condition results in motion blindness due to damage to the dorsal visual stream?

Akinetopsia Signup and view all the answers

What phenomenon describes our ability to perceive a consistent color for an object despite changes in illumination?

Color constancy Signup and view all the answers

What is the main function of mirror neurons?

Encode how we perceive gestures, body movements, and mood Signup and view all the answers

In the study mentioned, when did the premotor area of monkeys activate?

When Monkey watched the experimenter grasp food Signup and view all the answers

What is the main purpose of attention as a filter?

To attend to what is important and avoid 'overload' Signup and view all the answers

What happens in inattentional blindness?

Something is not perceived even when looking directly at it Signup and view all the answers

Which area of the brain is mentioned to have cells that function like mirror neurons?

Parietal lobe Signup and view all the answers

What kind of expressions do mirror neurons help encode, based on the information provided?

Facial expressions and body language Signup and view all the answers

What is the term used to describe the synchrony of the auditory nerve firing with the sound wave?

Phase locking Signup and view all the answers

Why is it okay that some auditory nerve fibers 'miss' syncing up with the sound wave?

There are many auditory nerve fibers available to respond Signup and view all the answers

How does the basilar membrane vibrate in response to different frequencies?

Some parts vibrate more than others to specific frequencies Signup and view all the answers

What determines which part of the basilar membrane vibrates the most in response to sound frequency?

The frequency of the sound Signup and view all the answers

Which part of the basilar membrane vibrates more with higher frequencies?

Base Signup and view all the answers

How does the cochlea act as a filter for different frequencies of sound?

It filters frequencies such that higher frequencies cause vibration at the base and lower frequencies near the apex Signup and view all the answers

What is the main focus of focused attention meditations?

Training attention by focusing on an object, breath, sound, or manta Signup and view all the answers

According to studies, how many days of meditation practice can increase attention and stress control?

5 days Signup and view all the answers

Which brain area is associated with paying attention to faces?

Fusiform face area (FFA) Signup and view all the answers

In the fMRI experiment described, what were participants instructed to do?

Focus on the central display only Signup and view all the answers

What could researchers predict with 100% accuracy based on brain activity in V1?

Participants' location Signup and view all the answers

What does the text suggest is a possible outcome of meditation practices?

Enhanced functional connectivity in certain brain networks Signup and view all the answers