OT Nerves

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cerebral lobes Chapter 2
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College: First year
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1

Parietal lobe

Located behind the central sulcus.

2

Parietal lobe

o Major function is to mediate attention.
o Sensory detection, perception and interpretation
o Responsible for detection of incoming sensory information which comes from the thalamus.
o Primary sensory cortex for interpretation of sensation from skin
o Muscle-strength receptors
o Joint receptors
o Perception
o Shape dimensions
o Cognition
o Mathematical abilities
o Association cortex, together with a section of the temporal lobe, is responsible for long term storage of vocabulary words.

3

Temperal lobe

• Located below the lateral fissure.

4

Temperal lobe

includes hippocampus and amygdala of the Limbic System

5

Temperal lobe

fx=
Primary auditory cortex
Wernicke’s area
Processing center for one's balance and equilibrium.
Complex patterns such as faces
Contributes to the perceptions of complex patterns such as some emotional and motivational behaviors.
Amygdala processes emotion, especially the fear response.
Plays a role in number and language skill.

6

Occipital lobe

Located at the back of the brain, behind the parietal lobe and temporal lobe.

7

Occipital lobe

fx=
Primary visual cortex
Receives/processes visual stimuli from optic tracts, thalamus and midbrain.
Judging distances
Seeing in three dimensions.
Responsible for detection, not interpretation of visual input.
Visual association areas are responsible for interpretation

8

Visual Fixation:

The ability to select objects within the environment and focus the gaze upon them.

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Form discrimination:

The ability to distinguish different types of forms plays an important role in visual recognition of objects, in visually guided manipulations and in variation within the environment.

10

Figure Ground Perception:

The ability to distinguish the foreground from the background. “The separation of figures from background is accomplished by the visual system based on differences in features such as color, luminance, depth, orientation, texture or motion, and temporal information.

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Spatial Relations:

Ability to judge distances, distinguish forms and separate objects from a surrounding background results in the ability to perceive objects and their relationship to the individual or to each other.

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Wernicke’s area

Temperal lobe left side

13

Wernicke's area

Comprehension of the spoken word (language)
Long-term memory
spatial memory (knowing how to get from one place to another).

14

The hippocampus

is responsible for creating new memories and