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Dr. Machado's Publications

Journal Articles

Machado CJ, Bliss-Moreau E, Platt M & Amaral DG (2011) Social content differentially modulates visual attention and autonomic arousal in rhesus macaques. PLoS ONE 6(10): e26598. doi: 10.1371/journal.pone.0026598.
For press coverage of this paper, see here.

Machado CJ & Nelson EE (2011) Eye-tracking with nonhuman primates is now more accessible than ever before.  American Journal of Primatology, 73, 562-569.


Babineau BA, Bliss-Moreau E, Machado CJ, Toscano JE, Mason WA & Amaral DG (2011) The effect of orbitofrontal cortex lesion on social interactions in adult rhesus monkeys. Neuroscience. 179: 80-93.

Machado CJ, Emery NJ, Mason WA & Amaral DG (2010) Selective changes in foraging behavior following bilateral neurotoxic lesions in rhesus monkeys. Behavioral Neuroscience, 124(6), 761-772.


Payne CD, Machado CJ, Bliwise N & Bachevalier J (2010) Maturation of the hippocampal formation and amygdala in Macaca mulatta: A volumetric MRI study.  Hippocampus, 20, 922-935.

Machado CJ, Kazama AM & Bachevalier J (2009) Impact of amygdala, orbital frontal or hippocampal lesions on threat avoidance and emotional reactivity in nonhuman primates.  Emotion, 9(2), 147 – 163.

Machado CJ & Bachevalier J (2008) Behavioral and hormonal reactivity to danger: Effects of selective amygdala, hippocampal or orbital frontal lesions.  Psychoneuroendocrinology, 33, 926 - 941.

Machado CJ, Emery NJ, Capitanio JP, Mason WA, Mendoza SP & Amaral DG (2008) Bilateral neurotoxic amygdala lesions in rhesus monkeys (Macaca mulatta): Consistent pattern of behavior across different social contexts, Behavioral Neuroscience, 122(2), 251 – 266.

Machado CJ, Snyder AZ, Cherry SR, Lavenex P & Amaral DG (2008) Effects of neonatal amygdala or hippocampal lesions on resting brain metabolism in the macaque monkey: A microPET imaging study, NeuroImage, 39(2), 832 – 846.

Machado CJ & Bachevalier J (2007) Measuring reward assessment in a semi-naturalistic context: The effects of selective amygdala, orbital frontal or hippocampal lesions, Neuroscience, 148(3), 599 – 611.

Machado CJ & Bachevalier J (2007) The effects of selective amygdala, orbital frontal cortex or hippocampal formation lesions on reward assessment in nonhuman primates, European Journal of Neuroscience 25(9), 2885 – 2904.

Machado CJ & Bachevalier J (2006) The impact of selective amygdala, orbital frontal cortex, or hippocampal formation lesions on established social relationships in rhesus monkeys (Macaca mulatta), Behavioral Neuroscience 120(4), 761 – 786.


Mason WA, Capitanio JP, Machado CJ, Mendoza SP & Amaral DG (2006) Amygdalectomy and responsiveness to novelty in rhesus monkeys (Macaca mulatta): Generality and individual consistency of effects. Emotion 6(1) 73–81.


Emery NJ, Capitanio JP, Mason WA, Machado CJ, Mendoza SP & Amaral DG (2001) The effects of bilateral lesions of the amygdala on dyadic social interactions in rhesus monkeys (Macaca mulatta).  Behavioral Neuroscience, 115(3), 515 – 544.


Book Chapters and Review Articles

Machado CJ (2012, in press) Maternal influences on social and neural development in macaque monkeys.  In: Building babies: Primate development in proximate and ultimate perspectives. (Clancy K, Hinde K, Rutherford, J eds.) Springer


Bachevalier J, Machado CJ & Kazama A (2011) Behavioral outcomes of late-onset or early onset orbital frontal cortex (areas 11/13) lesions rhesus monkeys.  Annals of the New York Academy of Sciences, 1239, 71 – 86.


Bauman MD, Bliss-Moreau E, Machado CJ & Amaral DG (2011) The neurobiology of primate social behavior.  In: The Oxford Handbook of Social Neuroscience (Decety J, Cacioppo JT eds.) Oxford University Press, Inc., New York, NY, 683 – 701.


Schumann CM, Bauman MD, Machado CJ & Amaral DG (2006) The social brain, amygdala and autism.  In: Understanding Autism: From Basic Neuroscience to Treatment (Moldin SO, Rubenstein JLR eds.)  CRC Press, Boca Raton, FL, 227 – 253.

Machado CJ & Bachevalier J (2003) Non-human primate models of childhood psychopathology: The promise and the limitations.  Journal of Child Psychology and Psychiatry 44(1) 1 – 24.
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