Search Results - "Rafael S. Maior"

Pulvinar neurons reveal neurobiological evidence of past selection for rapid detection of snakes by Van Le, Quan, Isbell, Lynne A., Matsumoto, Jumpei, Nguyen, Minh, Hori, Etsuro, Maior, Rafael S., Tomaz, Carlos, Tran, Anh Hai, Ono, Taketoshi, Nishijo, Hisao

“…Snakes and their relationships with humans and other primates have attracted broad attention from multiple fields of study, but not, surprisingly, from…”
Get full text

Fast Detector/First Responder: Interactions between the Superior Colliculus-Pulvinar Pathway and Stimuli Relevant to Primates by Soares, Sandra C, Maior, Rafael S, Isbell, Lynne A, Tomaz, Carlos, Nishijo, Hisao

“…Primates are distinguished from other mammals by their heavy reliance on the visual sense, which occurred as a result of natural selection continually favoring…”
Get full text

Editorial: Non-human Primate Models of Psychiatric Disorders by Maior, Rafael S., Nishijo, Hisao, Caixeta, Fabio V.

“…Natural drives and experimental evidence reveals marmosets as hitherto unappreciated models for research on psychiatric disorders related to stress de Sousa et…”
Get full text

Gamma oscillations in the superior colliculus and pulvinar in response to faces support discrimination performance in monkeys by Le, Quan Van, Nishimaru, Hiroshi, Matsumoto, Jumpei, Takamura, Yusaku, Nguyen, Minh Nui, Mao, Can Van, Hori, Etsuro, Maior, Rafael S., Tomaz, Carlos, Ono, Taketoshi, Nishijo, Hisao

“…The subcortical visual pathway including the superior colliculus (SC), pulvinar, and amygdala has been implicated in unconscious visual processing of faces,…”
Get full text

Rightward Tympanic Membrane Temperature Bias During Acute Restraint-Isolation Stress in Marmoset Monkeys by Pereira, Lucas C., Maior, Rafael S., Barros, Marilia

“…Restraint is widely used to experimentally assess stress-induced effects. Surprisingly, little is known on how marmosets – an increasingly used small primate –…”
Get full text

Time-Dependent Changes in Cortisol and Tympanic Temperature Lateralization During Food Deprivation Stress in Marmoset Monkeys by Pereira, Lucas C., Maior, Rafael S., Barros, Marilia

“…Temporal information about food availability can be easily entrained, as in the case of fixed feeding routines of captive animals. A sudden unintentional or…”
Get full text

A Prototypical Template for Rapid Face Detection Is Embedded in the Monkey Superior Colliculus by Le, Quang Van, Le, Quan Van, Nishimaru, Hiroshi, Matsumoto, Jumpei, Takamura, Yusaku, Hori, Etsuro, Maior, Rafael S, Tomaz, Carlos, Ono, Taketoshi, Nishijo, Hisao

“…Human babies respond preferentially to faces or face-like images. It has been proposed that an innate and rapid face detection system is present at birth…”
Get full text

Superior Neuronal Detection of Snakes and Conspecific Faces in the Macaque Medial Prefrontal Cortex by Dinh, Ha Trong, Nishimaru, Hiroshi, Matsumoto, Jumpei, Takamura, Yusaku, Le, Quan Van, Hori, Etsuro, Maior, Rafael S, Tomaz, Carlos, Tran, Anh Hai, Ono, Taketoshi, Nishijo, Hisao

“…Abstract Snakes and conspecific faces are quickly and efficiently detected in primates. Because the medial prefrontal cortex (mPFC) has been implicated in…”
Get full text

Snakes elicit earlier, and monkey faces, later, gamma oscillations in macaque pulvinar neurons by Le, Quan Van, Isbell, Lynne A., Matsumoto, Jumpei, Le, Van Quang, Nishimaru, Hiroshi, Hori, Etsuro, Maior, Rafael S., Tomaz, Carlos, Ono, Taketoshi, Nishijo, Hisao

“…Gamma oscillations (30–80 Hz) have been suggested to be involved in feedforward visual information processing, and might play an important role in detecting…”
Get full text

The Perception of the Müller-Lyer Visual Illusion in Schizophrenics and Non-human Primates: A Translational Approach by Costa, Ana Luísa Lamounier, Silva, Ronaldo Coelho, Coelho-Cordeiro, Pedro H., da Silveira, Fernando Silva, Barros, Marilia, Caixeta, Fabio Viegas, Maior, Rafael S.

“…The Müller-Lyer Illusion (MLI) has been suggested as a potential marker for the perceptual impairments observed in schizophrenia patients. Along with some…”
Get full text

Whole-body prepulse inhibition protocol to test sensorymotor gating mechanisms in monkeys by Saletti, Patricia G, Maior, Rafael S, Hori, Etsuro, Almeida, Ricardo Miyasaka de, Nishijo, Hisao, Tomaz, Carlos

“…Prepulse inhibition (PPI) is the decrease of startle reflex amplitude when a slight stimulus is previously generated. This paradigm may provide valuable…”
Get full text

Preferential Neuronal Responses to Snakes in the Monkey Medial Prefrontal Cortex Support an Evolutionary Origin for Ophidiophobia by Dinh, Ha Trong, Nishimaru, Hiroshi, Le, Quan Van, Matsumoto, Jumpei, Setogawa, Tsuyoshi, Maior, Rafael S, Tomaz, Carlos, Ono, Taketoshi, Nishijo, Hisao

“…Ophidiophobia (snake phobia) is one of the most common specific phobias. It has been proposed that specific phobia may have an evolutionary origin, and that…”
Get full text

Scopolamine Induces Deficits in Spontaneous Object-Location Recognition and Fear-Learning in Marmoset Monkeys by Melamed, Jonathan L, de Jesus, Fernando M, Maior, Rafael S, Barros, Marilia

“…The non-selective muscarinic receptor antagonist scopolamine (SCP) induces memory deficits in both animals and humans. However, few studies have assessed the…”
Get full text

Population Coding of Facial Information in the Monkey Superior Colliculus and Pulvinar by Nguyen, Minh N, Nishimaru, Hiroshi, Matsumoto, Jumpei, Van Le, Quan, Hori, Etsuro, Maior, Rafael S, Tomaz, Carlos, Ono, Taketoshi, Nishijo, Hisao

“…The superior colliculus (SC) and pulvinar are thought to function as a subcortical visual pathway that bypasses the striate cortex and detects fundamental…”
Get full text

Test-retest reproducibility of [11C]-l-deprenyl-D2 binding to MAO-B in the human brain by Arakawa, Ryosuke, Stenkrona, Per, Takano, Akihiro, Nag, Sangram, Maior, Rafael S., Halldin, Christer

“…Background [ 11 C]- l -deprenyl-D 2 is a positron emission tomography (PET) radioligand for measurement of the monoamine oxidase B (MAO-B) activity in vivo…”
Get full text

Monkey pulvinar neurons fire differentially to snake postures by Le, Quan Van, Isbell, Lynne A, Matsumoto, Jumpei, Le, Van Quang, Hori, Etsuro, Tran, Anh Hai, Maior, Rafael S, Tomaz, Carlos, Ono, Taketoshi, Nishijo, Hisao

“…There is growing evidence from both behavioral and neurophysiological approaches that primates are able to rapidly discriminate visually between snakes and…”
Get full text

Sensorimotor gating impairments induced by MK-801 treatment may be reduced by tolerance effect and by familiarization in monkeys by Saletti, Patricia G, Maior, Rafael S, Hori, Etsuro, Nishijo, Hisao, Tomaz, Carlos

“…Dizocilpine (MK-801) is a non-competitive NMDA antagonist that induces schizophreniclike effects. It is therefore widely used in experimental models of…”
Get full text

A role for the superior colliculus in the modulation of threat responsiveness in primates: toward the ontogenesis of the social brain by Maior, Rafael S, Hori, Etsuro, Uribe, Carlos E, Saletti, Patricia G, Ono, Taketoshi, Nishijo, Hisao, Tomaz, Carlos

“…Defense and social mechanisms in primates seem to share, at least in infancy, common neural substrata.Among these, recent research has implicated the primate…”
Get more information

Neuronal activity of the anterior cingulate cortex during an observation-based decision making task in monkeys by de Araujo, Mariana F.P., Hori, Etsuro, Maior, Rafael S., Tomaz, Carlos, Ono, Taketoshi, Nishijo, Hisao

“…► Neural activity was recorded from the monkey medial prefrontal cortex (mPFC). ► Monkeys chose the figure based on a choice of a demonstrator (a robot arm). ►…”
Get full text

Systematic review of visual illusions in schizophrenia by Costa, Ana Luísa Lamounier, Costa, Dorcas Lamounier, Pessoa, Valdir Filgueiras, Caixeta, Fábio Viegas, Maior, Rafael S.

“…Visual illusions have long been used as tools to investigate sensory-perceptual deficits in schizophrenia. Recent conflicting accounts have called into…”
Get full text