1. Object and face recognition
The neural basis of
Object and face recognition

2. Ventral pathway receptive field properties2
TE receptive field
V4 receptive field
V1 receptive field

3. Responses of IT neurons to various stimuli
Firing rate
Stimulus

4. Neural Coding

5. The question of specificity: Is a face cell truly a “face specific”#1
#10
#100

6. Face selectivity in single units human MTL (Jennifer Aniston cell)

7. Face selectivity in single units human MTL

8. Face neuron clusters in IT

9. Responses of IT (TE) neurons

10. Tanaka’s stimulus reduction method

12. Tanaka et al, 1991

13. Tanaka Features

14. Columns in IT

15. Optical imaging in IT cortex

16. Columns in IT (seen with optical imaging)

17. Columns in IT

18. Microstimulation of face populations in IT

19. Cortical Microstimulation biases perceptual decisions

20. fMRI

21. The human visual pathways

22. Object-Selective Regions in the Human Brain
Lateral Occipital Complex: LOC
>
lateral view
10-4
10-10
10-4
left hemisphere
right hemisphere
10-10
10-4
ventral view
Malach et al., PNAS 1995

23. Cue-independent representations
Objects from motion
Left hemisphere
Objects from luminance
lateral
Objects from texture
Grill-Spector et al. , Neuron 1998

24. Are Faces Special? Having a dedicated representation

25. Face-related activation

26. Whole vs. Parts 1 2V 4 16 64
256 2h

27. Whole vs. Parts

28. Face blindness (Prosopagnosia)

29. Is face blindness associated with a disfunctional FFA
NO!

30. But it may depend on the integrity of the face network (its connections with other areas)

31. Functional organization of the human ventral areas
Hasson et al., 2003

32. Distributed & overlapping representation of
faces & objects in ventral temporal cortex
Haxby et al., 2001

33. Mapping the similarity between visual categories
A division between animate and inanimate objects
Kriegskorte et al., 2008

34. Mapping is similar in humans and monkeys