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1. During shock and prize anticipation, LHD subjects will
display similar or accentuated HR response patterns
compared to normal controls, whereas RHD subjects will
display decreased HR responding relative to normal
controls. HR responding will be greater for the LHD
and NHD groups during shock and prize trials compared
to control trials. HR responding for the RHD group-
will not differ between shock, prize and no shock/no
reward control trials.
2. During both shock and prize anticipation, LHD patients
will display greater SCR than the normal controls. For
the RHD patients, SCR will be smaller than that of the
LHD and NHD patients. SCR will be greater during shock
and prize trials than control trials for the LHD and
NHD groups, whereas the difference in SCR for the RHD
group between shock, prize, no shock/no reward control
trials will be smaller.
3. During shock anticipation, corrugator EMG reactivity
will be similar or greater for LHD compared to the NHD
patients, whereas RHD patients will show smaller
corrugator EMG compared to NHD patients. For LHD and
NHD patients corrugator EMG will be greater for shock
trials than no shock trials. However, differences in
corrugator EMG will be smaller between shock and no
shock control trials in RHD patients.