The Role of High Spatial Frequencies in Face Perception

Perception ◽  
2013 ◽  
Vol 42 (11) ◽  
pp. 1151-1157 ◽  
Author(s):  
Adriana Fiorentini ◽  
Lamberto Maffei ◽  
Giulio Sandini
Keyword(s):  
Face Perception ◽  
Spatial Frequencies

The Role of High Spatial Frequencies in Face Perception

Perception ◽  
1983 ◽  
Vol 12 (2) ◽  
pp. 195-201 ◽  
Author(s):  
Adriana Fiorentini ◽  
Lamberto Maffei ◽  
Giulio Sandini
Keyword(s):  
Spatial Frequency ◽  
Face Perception ◽  
Energy Content ◽  
High Spatial Frequency ◽  
Face Width ◽  
Spatial Frequencies ◽  
Low Pass ◽  
High Pass ◽  
Spatial Frequency Domain

The relevance of low and high spatial-frequency information for the recognition of photographs of faces has been investigated by testing recognition of faces that have been either low-pass (LP) or high-pass (HP) filtered in the spatial-frequency domain. The highest resolvable spatial frequency was set at 15 cycles per face width (cycles fw−1). Recognition was much less accurate for images that contained only the low spatial frequencies (up to 5 cycles fw−1) than for images that contained only spatial frequencies higher than 5 cycles fw−1. For faces HP filtered above 8 cycles fw−1, recognition was almost as accurate as for faces LP filtered below 8 cycles fw−1, although the energy content of the latter greatly exceeded that of the former. These findings show that information conveyed by the higher spatial frequencies is not redundant. Rather, it is sufficient by itself to ensure recognition.

scholarly journals Face perception: An integrative review of the role of spatial frequencies

2005 ◽  
Vol 70 (4) ◽  
pp. 273-292 ◽  
Author(s):  
Marcos Ruiz-Soler ◽  
Francesc S. Beltran
Keyword(s):  
Face Perception ◽  
Integrative Review ◽  
Spatial Frequencies

scholarly journals Examining the role of red background in magnocellular contribution to face perception

2015 ◽  
Author(s):  
Bhuvanesh Awasthi ◽  
Mark A Williams ◽  
Jason Friedman
Keyword(s):  
Spatial Frequency ◽  
Face Perception ◽  
Red Light ◽  
Specific Property ◽  
High Spatial Frequency ◽  
Arm Movement ◽  
Frequency Component ◽  
Behavioral Evidence ◽  
Movement Curvature

This study examines the role of the magnocellular system in the early stages of face perception, in particular sex categorization. Utilizing the specific property of magnocellular suppression in red light, we investigated visually guided reaching to low and high spatial frequency hybrid faces against red and grey backgrounds. The arm movement curvature measure shows that reduced response of the magnocellular pathway interferes with the low spatial frequency component of face perception. This is the first definitive behavioral evidence for magnocellular contribution to face perception.

Revisiting the role of spatial frequencies in the holistic processing of faces.

2008 ◽  
Vol 34 (6) ◽  
pp. 1327-1336 ◽  
Author(s):  
Olivia S. Cheung ◽  
Jennifer J. Richler ◽  
Thomas J. Palmeri ◽  
Isabel Gauthier
Keyword(s):  
Holistic Processing ◽  
Spatial Frequencies

scholarly journals The role of the amygdala in face perception and evaluation

2011 ◽  
Vol 36 (1) ◽  
pp. 16-26 ◽  
Author(s):  
Alexander Todorov
Keyword(s):  
Face Perception
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