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Reciprocal limbic-cortical function and negative mood: converging PET findings in depression and normal sadness.
Reciprocal changes involving subgenual cingulate and right prefrontal cortex occur with both transient and chronic changes in negative mood, suggesting that these regional interactions are obligatory and probably mediate the well-recognized relationships between mood and attention seen in both normal and pathological conditions.
Regional metabolic effects of fluoxetine in major depression: serial changes and relationship to clinical response
Cingulate function in depression: a potential predictor of treatment response
A critical role for rostral cingulate area 24a/b in the limbic-cortical network involved in abnormal mood states is proposed and may represent an important adaptive response to depression and failure of this response may underlie poor outcome.
A PET study of the neural systems of stuttering
Induced fluency decreased or eliminated the overactivity in most motor areas, and largely reversed the auditory-system underactivations and the deactivation of the speech production system, suggesting stuttering is a disorder affecting the multiple neural systems used for speaking.
Use of implicit motor imagery for visual shape discrimination as revealed by PET
It is concluded that mental imagery is realized at intermediate-to-high order, modality-specific cortical systems, but does not require primary cortex and is not constrained to the perceptual systems of the presented stimuli.
Imaging human intra‐cerebral connectivity by PET during TMS
Non-inVASIVE imaging of human inter-regional neural connectivity by positron emission tomography (PET) during transcranial magnetic stimulation (TMS) was performed, and inhibitory connectivity was observed in contralateral M1.
The functional neuroanatomy of the placebo effect.
The common pattern of cortical glucose metabolism increases and limbic-paralimbic metabolism decreases in placebo and fluoxetine responders suggests that facilitation of these changes may be necessary for depression remission, regardless of treatment modality.
Differential limbic–cortical correlates of sadness and anxiety in healthy subjects: implications for affective disorders
Unmasking disease-specific cerebral blood flow abnormalities: mood challenge in patients with remitted unipolar depression.
- M. Liotti, H. Mayberg, S. McGinnis, S. Brannan, P. Jerabek
- Psychology, MedicineThe American journal of psychiatry
- 1 November 2002
Mood challenge in unipolar euthymic patients in full remission unmasks an apparent depression trait marker and suggests that disease-specific modifications of pathways mediating transient mood changes are present in un bipolar depression independent of clinical illness status.
Retinotopic organization of early visual spatial attention effects as revealed by PET and ERPs
The results argue that the early ERP P1 attention effects for lower‐visual‐field stimuli arise mainly from these dorsal occipital areas and thus also follow the retinotopic organization of the visual sensory input pathways.