Parietal Lobe

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PE, PF, PG

From superior to inferior, what is the order of PE, PF, PG?

Parieto-temporal-occipital crossroads

PG is also known as...?

Primary somatosensory cortex (S1)

The anterior parietal lobe is also known as the...?

Association cortex - it integrates visual, auditory, and somatosensory info

The posterior parietal lobe is an example of an...?

PE, M1, premotor, PG, S1 input

What 5 regions does PF receive input from?

Visual, auditory, proprioceptive, somatic, vestibular, oculomotor, cingulate input

What 7 types of input does PG receive?

Postcentral gyrus, superior parietal lobule, inferior parietal lobule (all form parietal operculum)

What are 3 principal areas of the parietal lobe?

Visual control of grasping

What do the parietal reach regions (PRR) process?

Process and integrate somatosensory and visual info

What is the broad function of the parietal lobe?

Somatic sensation and perception

What is the function of the anterior parietal lobe?

Spatial navigation; use spatial info to guide behaviour

What is the function of the posterior parietal lobe?

Central fissure

What landmark marks the anterior border of the parietal lobe?

Remaining areas of the parietal lobe

What makes up the posterior parietal lobe?

Cingulate gyrus

What marks the medial border of the parietal lobe?

Parieto-occipital sulcus

What marks the posterior border of the parietal lobe?

Sylvian fissure

What marks the ventral border of the parietal lobe?

Intraparietal sulcus (cIPS)

What processes saccades and visual control of grasping?

Angular (posterior) and supramarginal gyri (anterior)

What two gyri make up the inferior parietal lobe?

Somatosensory input; M1, SMA, premotor, PF output

What type of input does PE receive and what 4 regions does it project to?

Dorsal visual stream - vision for action

What visual pathway is PG especially important in?

Between superior parietal lobule and inferior parietal lobule

Where is the intraparietal sulcus located?


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