Visual processing pathways Ungerleider et al., 1998.
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Transcript of Visual processing pathways Ungerleider et al., 1998.
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Visual processing pathways
Ungerleider et al., 1998
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Suzuki and Amaral, 1994
Organization and strength of cortical inputsto the hippocampus
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VanRullen, 2003
Hierarchical organization of the ventral visual stream
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Schematic representation of the ventral visual pathway
Rousselet et al., 2004
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Distributed semantic model
Patterson et al., 2007
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Semantic hub model
Patterson et al., 2007
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Patterson et al., 2007
- stroke- Herpes simplex virus encephalitis- Alzheimer’s disease- fronto-temporal dementia (semantic variant)
Semantic dementia (SD)
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Patterson et al., 2007
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Patterson et al., 2007
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Patterson et al., 2007
Differences between semantic dementia and Alzheimer’s disease inmeasures of semantic memory
1 minute to list as many examples of a semantic category as they can
Pyramids and Palm Trees test of semantic association
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Patterson et al., 2007
Differences between semantic dementia and Alzheimer’s disease inmeasures of brain hypometabolism regions
(18F)fluoro‑2- deoxy‑D -glucose positron emission tomography (FDG-PET)
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Magnetoencephalography (MEG)
Positron emission tomography (PET)
Functional MRI (fMRI)
Voxel-based morphometry(T1‑weighted MRI)
Rostral temporal lobes are ‘hard-to-get’
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“To paraphrase a recently-departedUnited States Secretary of Defense,
Hub model: ATL regions as beingcrucial for semantic processing, or …
we do not believe that the seeming absence of evidence constitutes,in this case, evidence of absence.“
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Patterson et al., 2007
ATL activation in functional imaging studies of semantic processing
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Patterson et al., 2007
ATL activation in functional imaging studies of semantic processing
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