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A novel population of cells is described, located in the anterior part of the superior temporal sulcus (STSa, sometimes called STPa) of the temporal lobe in the macaque monkey. These cells respond selectively to the sight of reaching but only when the agent performing the action is seen to be attending to the target position of the reaching. We describe how(More)
This study investigated the cellular mechanisms in the anterior part of the superior temporal sulcus (STSa) that underlie the integration of different features of the same visually perceived animate object. Three visual features were systematically manipulated: form, motion and location. In 58% of a population of cells selectively responsive to the sight of(More)
Neurons in the anterior regions of the banks of the superior temporal sulcus (STSa) of the macaque monkey respond to the sight of biologically significant stimuli such as faces, bodies and their motion. In this study the responses of STSa neurons were recorded during the gradual occlusion of the experimenter and other mobile objects behind screens at(More)
We show that populations of visually responsive cells in the anterior part of the superior temporal sulcus (STSa) of the macaque monkey code for the sight of both specific articulated body actions and the consequent articulated static body postures. We define articulated actions as actions where one body part (e.g. a limb or head) moves with respect to the(More)
Evoked cortical field potentials are widely used in neurophysiological studies into cortical functioning, but insight in the underlying neural mechanisms is severely hampered by ambiguities in the interpretation of the field potentials. The present study aimed at identifying the precise relationships between the primary evoked cortical field potential (the(More)
We show that under natural viewing, the responses of cells the temporal lobe of the macaque to the sight of static head body postures is controlled by the sight of immediately actions. Cells in the anterior part of the superior sulcus responded vigorously to the sight of a face or posture that followed a particular body action, but not when it followed(More)
In object-centered, or categorical, visual representations of an agent's actions, the spatial positions of (parts of) the body action are defined with respect to the principal axis of the agent, rather than in relation to the observer. Some cells in the superior temporal sulcus (STS) of the macaque monkey have been reported to use such a categorical frame(More)
The results of this study illustrate a new high-level visual aftereffect: Observing actors walking forward, without horizontal translation, makes subsequent actors appear to walk backward, and the opposite effect is obtained after observing backward walking. We used this aftereffect, which cannot be explained by simple low-level adaptation to motion(More)
Individuals with Asperger's syndrome (AS) often have difficulties with social interactions and conversations. We investigated if these difficulties could be attributable to a deficit in the ability to linguistically converge with an interlocutor, which is posited to be important for successful communication. To that end, participants completed two(More)
A new social distance judgment task was used to measure quantitatively the extent to which social cues are immediately and involuntary interpreted by typically developing (TD) individuals and by individuals with autism spectrum disorders (ASD). The task thus tapped into the ability to involuntary "pick up" the meaning of social cues. The cues tested were(More)