How far does top-down travel? V1?

Murray et al., The representation of perceived angular size in human primary visual cortex. Nature Neuroscience 2012

Context Strikes Back

Kverga 2011, Early onset of neural synchronization in the contextual associations network.

Attention: tasks under time constraints

Information Processing: top-down vs. bottom up

 Bar 2006, Top-down facilitation of visual recognition

Scenes - Objects [Navigation]

    Janzen, Selective Neural Representation of Objects Relevant for Navigation, 2004

Project Discussion

scenes objects based rep

Scenes: Structure + Content

Kravitz, Real-World Scene Representations in High-Level Visual Cortex: It’s the Spaces More Than the Places, 2011

DiCarlo

Rust et al., Selectivity and Tolerance (“Invariance”) Both Increase as Visual Information Propagates from Cortical Area V4 to IT. Neuroscience 2010.

Categories vs. Exemplars

[Koustaal] Perceptual specificity in visual object priming: functional magnetic resonance imaging evidence for a laterality difference in fusiform cortex,Neuropsychologia 2001.

Next Reading --

DiCarlo] Shape Similarity, Better than Semantic Membership, Accounts for the Structure of Visual Object Representations in a Population of Monkey Infero-temporal Neurons, Computational Biology 2013

March 3 Reading

  [Mahon] Action-Related Properties Shape Object Representations in the Ventral Stream, Neuron 2007.

Feb 26 Read

This week we will read:
[Mitchell] Palatucci et al., Zero-Shot Learning with Semantic Output Codes, NIPS 2012

First Read, Feb 19

[Gallant]     Huth et al., A Continuous Semantic Space Describes
 the Representation of Thousands of Object and Action Categories across the Human Brain, Neuron 2012

Let the fun begin!!

Once the semester gets going, there will be a post here for every assigned reading, and your job will be to comment and have a discussion.  For a preview of what we'll be talking about, visit our course website.