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lobus temporalis
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Cerebrum map
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Lobes of the human brain (the temporal lobe is shown in green)
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Gray730png
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Section of brain showing upper surface of temporal lobe
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Brain
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Middle Cerebral and <br/> Posterior Cerebral
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hier
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Temporal+Lobe
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The are part of the
Cerebrum . They lie at the sides of the
Brain , beneath the
Lateral Or Sylvian Fissure . Seen in profile, the
Human Brain looks something like a
Boxing Glove . The temporal lobes are where the thumbs would be.
The temporal lobe is involved in
Auditory processing and is home to the
Primary Auditory Cortex . It is also heavily involved in
Semantics both in
Speech and
Vision . The temporal lobe contains the
Hippocampus and is therefore involved in
Memory formation as well.
The
Superior Temporal Gyrus includes an area (within the Sylvian fissure) where auditory signals from the
Cochlea (relayed via several subcortical nuclei) first reach the
Cerebral Cortex . This part of the cortex (
Primary Auditory Cortex ) is involved in hearing. Adjacent areas in the superior, posterior and lateral parts of the temporal lobes are involved in high-level auditory processing. In humans this includes speech, for which the left temporal lobe in particular seems to be specialized.
Wernicke's Area , which spans the region between temporal and parietal lobes, plays a key role (in tandem with
Broca's Area , which is in the frontal lobe). The functions of the left temporal lobe are not limited to low-level perception but extend to comprehension, naming,
Verbal Memory and other language functions. Sound processing is controlled by the temporal lobes- in the Broca’s area and Wernicke’s area.
The underside (ventral) part of the temporal cortices appear to be involved in high-level visual processing of complex stimuli such as
Faces (
Fusiform Gyrus ) and scenes (
Parahippocampal Gyrus ). Anterior parts of this
Ventral Stream for
Visual Processing are involved in object perception and recognition.
The medial temporal lobes (near the Sagittal plane that divides left and right
Cerebral Hemisphere s) are thought to be involved in
Episodic /
Declarative Memory . Deep inside the medial temporal lobes, the
Hippocampi seem to be particularly important for memory function - particularly transference from short to long term memory and control of spatial memory and behavior.
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"http://wwwinformationdelightinfo/information/entry/dorsal_stream" class="copylinks">Dorsal Stream (green) and Ventral Stream (purple) in the temporal lobe are shown
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