"I do have quite a changeable face.
All three Eastern Broccoli Quality trial plantings in Maine are in the ground and have held up well in the face of changeable conditions this summer.
They are resilient in the face of the changeable climate, as our weather has always been variable, while many imported trees are adapted to more consistent conditions.
The STG represents an extrastriatal region of visual cortex specialised for processing emotional expressions and other changeable aspects of face stimuli [50] [51] in contrast to invariant properties such as identity, encoded within the fusiform face area (FFA) [52].
One pathway (including posterior superior temporal sulcus, pSTS) is responsible for processing changeable aspects of faces such as gaze and expression, and the other pathway (including the fusiform face area, FFA) is responsible for relatively invariant aspects such as identity.
However, we note that the STS has been proposed to be involved in changeable aspects of faces, such as expression or gaze direction (Haxby et al., 2000), and thus might not have been expected to be strongly active in the current experiment in which static images with mostly neutral expressions were used.
Recently, functional imaging data has buttressed this model, suggesting that invariant aspects of faces, including identity, are represented in the fusiform face area (FFA) [10], [33], in the ventral temporal cortex, while changeable aspects of faces, including emotional expressions, are represented in regions around the superior temporal sulcus (STS) [28].
Changeable aspects of faces such as eye gaze, expression, and lip movement are thought to be primarily represented in the posterior part of the superior temporal sulcus (STS) (Allison et al. 2000; Grossman et al. 2000, 2004; Blakemore and Decety 2001; Grossman and Blake 2001 , 2002.
A dominant theory of face perception postulates independent representations of invariant aspects of faces (e.g., identity) in ventral temporal cortex including the fusiform gyrus, and changeable aspects of faces (e.g., emotion) in lateral temporal cortex including the superior temporal sulcus.
Cognitive psychology has provided detailed accounts of the main principles of face processing, especially when perceiving other people's face, such as hierarchical processing [13], holisitic vs. part processing [14], and processing of identity vs. changeable aspects of faces [15].
