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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Psychopharmacology (Berl). 2016 Aug 24;233(21-22):3803–3813. doi: 10.1007/s00213-016-4415-6

Table 3.

Bivariate relationships between negative symptoms and antipsychotic-related dopamine D2/3 receptor occupancy at baseline

Caudate Putamen Ventral
striatum		 Whole
striatum
Total score
 Negative symptoms −0.10 −0.14 −0.13 −0.10
Subdomains
 Social amotivation −0.10 −0.11 −0.13 −0.08
 Diminished expression −0.08 −0.12 −0.07 −0.09
Individual items
 Blunted affect −0.03 −0.03 −0.04 −0.01
 Emotional withdrawal −0.19 −0.17 −0.16 −0.16
 Poor rapport −0.03 −0.13 −0.13 −0.09
 Passive/apathetic social
 withdrawal		 −0.10 −0.13 −0.10 −0.09
 Lack of spontaneity & flow of
 conversation		 −0.09 −0.10 −0.11 −0.07
 Motor retardation −0.01 −0.07 −0.08 −0.04

Note: All P-values were greater than 0.05.