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Journal Brain Behav Evol

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Forebrain Architecture and Development in Cyclostomes, with Reference to the Early Morphology and Evolution of the Vertebrate Head.

Fumiaki Sugahara, Yasunori Murakami, Juan Pascual-Anaya, Shigeru Kuratani,

The vertebrate head and brain are characterized by highly complex morphological patterns. The forebrain, the most anterior division of the brain, is subdivided into the diencephalon, hypothalamus, and telencephalon from the neuromeric subdivision into prosomeres. Importantly, the telencephalon contains the cerebral cortex, which plays a key role in higher order ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2021, :1-13]

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A Relationship between the Characteristics of the Oval Nucleus of the Mesopallium and Parrot Vocal Response to Playback.

Solveig Walløe, Mukta Chakraborty, Thorsten J S Balsby, Erich D Jarvis, Torben Dabelsteen, Bente Pakkenberg,

Correlations between differences in animal behavior and brain structures have been used to infer function of those structures. Brain region size has especially been suggested to be important for an animal's behavioral capability, controlled by specific brain regions. The oval nucleus of the mesopallium (MO) is part of the anterior ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2021, 96(1):37-48]

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Tyramine 1 Receptor Distribution in the Brain of Corbiculate Bees Points to a Conserved Function.

Markus Thamm, Katharina Wagler, Axel Brockmann, Ricarda Scheiner,

Sucrose represents an important carbohydrate source for most bee species. In the Western honeybee (Apis mellifera) it was shown that individual sucrose responsiveness correlates with the task performed in the colony, supporting the response threshold theory which states that individuals with the lowest threshold for a task-associated stimuli will perform ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2021, 96(1):13-25]

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A Farewell to the Encephalization Quotient: A New Brain Size Measure for Comparative Primate Cognition.

Carel P van Schaik, Zegni Triki, Redouan Bshary, Sandra A Heldstab,

Both absolute and relative brain sizes vary greatly among and within the major vertebrate lineages. Scientists have long debated how larger brains in primates and hominins translate into greater cognitive performance, and in particular how to control for the relationship between the noncognitive functions of the brain and body size. ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2021, 96(1):1-12]

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The Paracingulate Sulcus Is a Unique Feature of the Medial Frontal Cortex Shared by Great Apes and Humans.

Elaine N Miller, Patrick R Hof, Chet C Sherwood, William D Hopkins,

Primate brains display a wide range of variation in size and cerebral gyrification, leading to the appearance of novel sulci in particular groups of species. We investigated sulcal organization in the medial frontal cortex of great apes, with a particular focus on the paracingulate sulcus (PCGS). Until recently, the presence ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2021, 96(1):26-36]

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The Independent Evolution of Dorsal Pallia in Multiple Vertebrate Lineages.

Georg F Striedter, R Glenn Northcutt,

Comparative neurobiologists have long wondered when and how the dorsal pallium (e.g., mammalian neocortex) evolved. For the last 50 years, the most widely accepted answer has been that this structure was already present in the earliest vertebrates and, therefore, homologous between the major vertebrate lineages. One challenge for this hypothesis ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2021, :1-12]

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The Lamprey Forebrain - Evolutionary Implications.

Shreyas M Suryanarayana, Juan Pérez-Fernández, Brita Robertson, Sten Grillner,

The forebrain plays a critical role in a broad range of neural processes encompassing sensory integration and initiation/selection of behaviour. The forebrain functions through an interaction between different cortical areas, the thalamus, the basal ganglia with the dopamine system, and the habenulae. The ambition here is to compare the mammalian ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2021, :1-16]

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Topological Analysis of the Brainstem of the Australian Lungfish Neoceratodus forsteri.

Rudolf Nieuwenhuys,

This paper presents a survey of the cell masses in the brainstem of the Australian lungfish Neoceratodus forsteri, based ontransversely cut Bodian-stained serial sections, supplemented by immunohistochemical data from the recent literature. This study is intended to serve a double purpose. First it concludes and completes a series of publications ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2021, :1-21]

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Ontogenetic Shifts in Brain Size and Brain Organization of the Atlantic Sharpnose Shark, Rhizoprionodon terraenovae.

Krista V Laforest, Emily E Peele, Kara E Yopak,

Throughout an animal's life, species may occupy different environments and exhibit distinct life stages, known as ontogenetic shifts. The life histories of most sharks (class: Chondrichthyes) are characterized by these ontogenetic shifts, which can be defined by changes in habitat and diet as well as behavioral changes at the onset ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(3-4):162-180]

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Convergence of Olfactory Inputs within the Central Nervous System of a Cartilaginous and a Bony Fish: An Anatomical Indicator of Olfactory Sensitivity.

Victoria Camilieri-Asch, Kara E Yopak, Alethea Rea, Jonathan D Mitchell, Julian C Partridge, Shaun P Collin,

The volume of the olfactory bulbs (OBs) relative to the brain has been used previously as a proxy for olfactory capabilities in many vertebrate taxa, including fishes. Although this gross approach has predictive power, a more accurate assessment of the number of afferent olfactory inputs and the convergence of this ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(3-4):139-161]

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Getting the Most Out of Your Zombie: Abdominal Sensors and Neural Manipulations Help Jewel Wasps Find the Roach's Weak Spot.

Kenneth C Catania,

The parasitoid emerald jewel wasp (Ampulex compressa) subdues the American cockroach (Periplaneta americana) with a sting to the 1st thoracic ganglion, followed by a sting to the roach's brain, causing long-term pacification. The wasp then leads the cockroach to a hole where it lays an egg on the roach middle ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(3-4):181-202]

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The 40th Annual Meeting of the J.B. Johnston Club for Evolutionary Neuroscience and the 32nd Annual Karger Workshop in Evolutionary Neuroscience.

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(3-4):203-212]

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Sex Differences in the Swordtail Xiphophorus hellerii Revealed by a New Method to Investigate Volumetric Data.

Michael H Hofmann,

Comparing the relative volumes of body parts is a useful tool in morphology, but it is not trivial to do this in animals that differ in overall size. To account for scaling differences, a "reference size" has to be determined and the original absolute volumes have to be "corrected for" ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(3-4):127-138]

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Do Different Methods Yield Equivalent Estimations of Brain Size in Birds?

Diego Ocampo, César Sánchez, Gilbert Barrantes,

The ratio of brain size to body size (relative brain size) is often used as a measure of relative investment in the brain in ecological and evolutionary studies on a wide range of animal groups. In birds, a variety of methods have been used to measure the brain size part ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(2):113-122]

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Brain Volume Fractions in Mammals in Relation to Behavior in Carnivores, Primates, Ungulates, and Rodents.

William Grisham, Sarah Greta, Natalie Schottler, William Tomita, Anthony Burre, Dalar Rostamian, Olena Pishchalenko, Sarah T Thomas,

The volume fraction (VF) of a given brain region, or the proper mass, ought to reflect the importance of that region in the life of a given species. This study sought to examine the VF of various brain regions across 61 different species of mammals to discern if there were ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(2):102-112]

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Retinal Ganglion Cell Topography and Spatial Resolving Power in Echolocating and Non-Echolocating Bats.

Clément Cechetto, Fanny de Busserolles, Lasse Jakobsen, Eric J Warrant,

Bats are nocturnal mammals known for their ability to echolocate, yet all bats can see, and most bats of the family Pteropodidae (fruit bats) do not echolocate - instead they rely mainly on vision and olfaction to forage. We investigated whether echolocating bats, given their limited reliance on vision, have ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(2):58-68]

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Selection for Divergent Reproductive Investment Affects Neuron Size and Foliation in the Cerebellum.

Ryaan El-Andari, Felipe Cunha, Barbara Tschirren, Andrew N Iwaniuk,

The cerebellum has a highly conserved internal circuitry, but varies greatly in size and morphology within and across species. Despite this variation, the underlying volumetric changes among the layers of the cerebellar cortex or their association with Purkinje cell numbers and sizes is poorly understood. Here, we examine intraspecific scaling ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(2):69-77]

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Relative Cerebellum Size Is Not Sexually Dimorphic across Primates.

Alex R DeCasien, James P Higham,

<h4>Background/aims</h4>Substantive sex differences in behavior and cognition are found in humans and other primates. However, potential sex differences in primate neuroanatomy remain largely unexplored. Here, we investigate sex differences in the relative size of the cerebellum, a region that has played a major role in primate brain evolution and that ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(2):93-101]

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Dr. Walter Wilczynski, 1952-2020.

Eliot A Brenowitz, Michael J Ryan, Harold H Zakon,

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(2):123-126]

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Allometric Scaling Rules of the Cerebellum in Galliform Birds.

Felipe Cunha, Kelsey Racicot, Janae Nahirney, Courtney Heuston, Douglas R Wylie, Andrew N Iwaniuk,

Although the internal circuitry of the cerebellum is highly conserved across vertebrate species, the size and shape of the cerebellum varies considerably. Recent comparative studies have examined the allometric rules between cerebellar mass and number of neurons, but data are lacking on the numbers and sizes of Purkinje and granule ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(2):78-92]

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Evolution of the Hypothalamus and Inferior Lobe in Ray-Finned Fishes.

Matthias Schmidt,

The inferior lobes are prominent bilateral brain areas in the hypothalamus of neopterygians among the ray-finned fishes. They are known as multisensory integration centers. As such, they should play a major role in fish evolution. In this study, a comparative morphometric analysis was performed. The morphology of the hypothalamus, where ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(6):302-316]

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Zebrin Expression in the Cerebellum of Two Crocodilian Species.

Cristián Gutiérrez-Ibáñez, Max R Dannish, Tobias Kohl, Lutz Kettler, Catherine E Carr, Ryan K Tisdale, Andrew N Iwaniuk, Harald Luksch, Douglas R Wylie,

While in birds and mammals the cerebellum is a highly convoluted structure that consists of numerous transverse lobules, in most amphibians and reptiles it consists of only a single unfolded sheet. Orthogonal to the lobules, the cerebellum is comprised of sagittal zones that are revealed in the pattern of afferent ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(1):45-55]

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Neuroanatomical Distribution of the Serotonergic System in the Brain and Retina of Holostean Fishes, The Sister Group to Teleosts.

Daniel Lozano, Agustín González, Jesús M López,

Among actinopterygian fishes, holosteans are the phylogenetically closest group to teleosts but they have been much less studied, particularly regarding the neurochemical features of their central nervous system. The serotonergic system is one of the most important and conserved systems of neurotransmission in all vertebrates. By means of immunohistochemistry against ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(1):25-44]

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Erratum.

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(6):317]

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Neocortical Anatomy in the South American Plains Vizcacha, Lagostomus maximus, Reveals Different Strategies in Encephalic Development among Hystricomorpha and Myomorpha Rodents.

Alejandro Raúl Schmidt, María Constanza Gariboldi, Santiago Andrés Cortasa, Sofía Proietto, María Clara Corso, Pablo Ignacio Felipe Inserra, Vanina Soledad Jaime, Julia Halperin, Alfredo Daniel Vitullo, Verónica Berta Dorfman,

Depending on the presence or absence of sulci and convolutions, the brains of mammals are classified as gyrencephalic or lissencephalic. We analyzed the encephalic anatomy of the hystricomorph rodent Lagostomus maximus in comparison with other evolutionarily related species. The encephalization quotient (EQ), gyrencephaly index (GI), and minimum cortical thickness (MCT) ... Read more >>

Brain Behav Evol (Brain, behavior and evolution)
[2020, 95(6):318-329]

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