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55 Cards in this Set

  • Front
  • Back

The primary visual cortex is also known as

V 1

This is specialized for faces

Fusiform gyrus

She had symptoms that were consistent with left brain injury or hemispherectomy

Genie

The lower the SES the lower this is

Laterality in the brain

These are present before birth and become more pronounced in adulthood

Cerebral asymmetries

These two gyri are able to be seen ventrally

Lingual and fusiform

Has different functions

Heterogeneous

This has six layers like the rest of the cortex but layer 4 has a very distinct layers within it that are very thick. Also has blobs

V one

This is maintained in V2

Functional heterogeneity

This doesn't have blobs , only stripes

V2

What does a thin stripe represent?

Color perception

What does a thick stripe represent?

Form

What does a pale stripe represent?

Motion

What are the three types of stripes in V2?

Thin, thick, pale

Color vision is the primary job of

V4

The primary visual cortex gets input from

The lateral geniculate nucleus

V5 is also referred to as

Mt

The dorsal stream goes to this lobe and is in charge of

Parietal, visual guidance of movements

The ventral stream goes to this lobe

Temporal

People who have lesions to this area are not aware of seeing but can act on visual information

V1

More cortex is devoted to this than any other brain function

Vision

When you lose vision in one visual field there was an injury

After the crisscross

When you lose vision in an entire eye the injury

Was before the crisscross

More blind spots are present then just one in each eye

Scotoma

This patient was struck by a bullet in the back of the brain and World War II, lost sight in the right visual field. He could accurately guess about the presence or absence of light Kama had difficulty reading and recognizing faces

P.m.

There's no clear division on the lateral surface of the brain which separates the occipital cortex from

The temporal or parietal cortices

This separates the upper and lower visual fields and contains much of the primary visual cortex

Calcarine sulcus

V1

Primary visual cortex

Lingual gyrus contain

V2 and VP

The fusiform gyrus contains

V4

Collateral sulcus

Calcarine sulcus

Parietal occipital sulcus

Lingual sulcus

Fusiform gyrus

Area V1 is functionally

Heterogeneous

Within V1 , layer 4 has how many distinct layers?

4

What are cytochrome rich areas known as?

Blobs

What is used to separate blobs from inter blob regions?

Cytochrome oxidase stains

Blob cells are in charge of

Color perception

Inter blobs are in charge of?

Form and motion perception

It's functional heterogeneity maintained in V 2?

Yes

In v2 when these are Staind with cytochrome oxidase they are revealed

Stripes

A thin stripe represents

Color perception

A thick stripe represents

Form

A pale stripe represents

Motion

There's distribution of color function across these three areas and much of the occipital lobe

V1 V2 and V4

Because of the distinct stripes the visual cortex is sometimes called

The striate cortex

Color vision is primarily the job of

V4

This plays a role in detection of movement, depth and position

Color vision

This receives input from the lateral geniculate nucleus and send output to all other occipital levels

V1 or primary visual cortex

These two sections of the visual cortex send output to all other occipital levels

Primary visual cortex and secondary visual cortex V1 and V2

After V2 there are these three distinct parallel pathways

Output to the parietal lobe via the dorsal stream , output to the inferior temporal lobe via the ventral stream , multimodal output to the superior temporal sulcus via the ventral stream

The dorsal stream leads to what lobe?

Parietal

The two ventral streams lead to what lobe?

Temporal