scholarly journals Effect of reward type on object discrimination learning in socially monogamous coppery titi monkeys (Callicebus cupreus )

2018 ◽  
Vol 80 (6) ◽  
pp. e22868 ◽  
Author(s):  
Sara M. Freeman ◽  
Nancy Rebout ◽  
Karen L. Bales
Keyword(s):  
Discrimination Learning ◽  
Object Discrimination ◽  
Titi Monkeys ◽  
Socially Monogamous ◽  
Callicebus Cupreus

scholarly journals Relationship tenure differentially influences pair‐bond behavior in male and female socially monogamous titi monkeys ( Callicebus cupreus )

2020 ◽  
Vol 82 (10) ◽  
Author(s):  
Emily S. Rothwell ◽  
Sarah B. Carp ◽  
Logan E. Savidge ◽  
Sally P. Mendoza ◽  
Karen L. Bales
Keyword(s):  
Pair Bond ◽  
Male And Female ◽  
Bond Behavior ◽  
Titi Monkeys ◽  
Socially Monogamous ◽  
Callicebus Cupreus

scholarly journals Duetting Patterns of Titi Monkeys (Primates, Pitheciidae: Callicebinae) and Relationships with Phylogeny

Animals ◽  
2018 ◽  
Vol 8 (10) ◽  
pp. 178 ◽  
Author(s):  
Patrice Adret ◽  
Kimberly Dingess ◽  
Christini Caselli ◽  
Jan Vermeer ◽  
Jesus Martínez ◽  
...  
Keyword(s):  
Vocal Communication ◽  
Power Spectral Analysis ◽  
Dominant Frequency ◽  
Sensu Stricto ◽  
Potential Contribution ◽  
Linear Discriminant ◽  
Loud Calls ◽  
Titi Monkeys ◽  
Socially Monogamous ◽  
Habitat Acoustics

Long-range vocal communication in socially monogamous titi monkeys is mediated by the production of loud, advertising calls in the form of solos, duets, and choruses. We conducted a power spectral analysis of duets and choruses (simply “duets” hereafter) followed by linear discriminant analysis using three acoustic parameters—dominant frequency of the combined signal, duet sequence duration, and pant call rate—comparing the coordinated vocalizations recorded from 36 family groups at 18 sites in Bolivia, Peru and Ecuador. Our analysis identified four distinct duetting patterns: (1) a donacophilus pattern, sensu stricto, characteristic of P. donacophilus, P. pallescens, P. olallae, and P. modestus; (2) a moloch pattern comprising P. discolor, P. toppini, P. aureipalatii, and P. urubambensis; (3) a torquatus pattern exemplified by the duet of Cheracebus lucifer; and (4) the distinctive duet of P. oenanthe, a putative member of the donacophilus group, which is characterized by a mix of broadband and narrowband syllables, many of which are unique to this species. We also document a sex-related difference in the bellow-pant phrase combination among the three taxa sampled from the moloch lineage. Our data reveal a presumptive taxonomic incoherence illustrated by the distinctive loud calls of both P. urubambensis and P. oenanthe within the donacophilus lineage, sensu largo. The results are discussed in light of recent reassessments of the callicebine phylogeny, based on a suite of genetic studies, and the potential contribution of environmental influences, including habitat acoustics and social learning. A better knowledge of callicebine loud calls may also impact the conservation of critically endangered populations, such as the vocally distinctive Peruvian endemic, the San Martin titi, P. oenanthe.

scholarly journals Pair bond formation leads to a sustained increase in global cerebral glucose metabolism in monogamous male titi monkeys (Callicebus cupreus)

Neuroscience ◽  
2017 ◽  
Vol 348 ◽  
pp. 302-312 ◽  
Author(s):  
Nicole Maninger ◽  
Katie Hinde ◽  
Sally P. Mendoza ◽  
William A. Mason ◽  
Rebecca H. Larke ◽  
...  
Keyword(s):  
Glucose Metabolism ◽  
Bond Formation ◽  
Pair Bond ◽  
Cerebral Glucose Metabolism ◽  
Titi Monkeys ◽  
Callicebus Cupreus ◽  
Sustained Increase

Effects of Frontal Cortex Lesions on Object Discrimination Learning by Monkeys

Nature ◽  
1962 ◽  
Vol 195 (4838) ◽  
pp. 310-311 ◽  
Author(s):  
JOHN OXBURY ◽  
LAWRENCE WEISKRANTZ
Keyword(s):  
Frontal Cortex ◽  
Discrimination Learning ◽  
Object Discrimination

One-trial object-discrimination learning in monkeys with frontal lesions.

1962 ◽  
Vol 55 (2) ◽  
pp. 178-181 ◽  
Author(s):  
Mortimer Mishkin ◽  
Elinor S. Prockop ◽  
H. Enger Rosvold
Keyword(s):  
Discrimination Learning ◽  
Object Discrimination ◽  
Frontal Lesions ◽  
Trial Object
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