abstract：:Norway rats were reared either in a standard laboratory cage or in a nest constructed by the dam from newspaper strips. Growth, thermoregulatory ability, and adrenal, gonad, adipose tissue, and brain weights were measured at weaning on Day 21 postpartum. While there was no difference in growth, nest-reared animals had...

journal_title：Developmental psychobiology

authors： Jans JE,de Villers S,Woodside B

更新日期：1985-07-01 00:00:00

abstract：:The learning of multiple choice discrimination tasks of 3-, 4-, 5-, and 6-year-old children was compared using the components of learning of cue significance and response regulation. No significant differences between age groups were found in the occurrence of cue significance learning, although the younger children's...

journal_title：Developmental psychobiology

authors： Bell JA,Livesey PJ

更新日期：1985-05-01 00:00:00

abstract：:Taste reactivity in suckling rat pups was assessed. Five-day-old rats in Experiment I were equipped with tongue cannulae seated 2 mm rostral, 0-3 mm caudal, or 4-6 mm caudal to the intermolar eminence. Either water, 1.4 X 10(-3) QHC1, .50M NH4Cl, or .43M NaCl was delivered in one of three fashions during suckling: (1)...

journal_title：Developmental psychobiology

authors： Kehoe P,Blass EM

更新日期：1985-01-01 00:00:00

abstract：:Predation on birds, an unusual behavior for the common garter snake (Thamnophis sirtalis), has been observed and documented in an insular garter snake population. Feeding preference tests were performed on naive neonatal snakes and experienced adults from both the island test population and a nearby mainland control p...

journal_title：Developmental psychobiology

authors： Greenwell MG,Hall M,Sexton OJ

更新日期：1984-09-01 00:00:00

abstract：:Patterns of visual interaction in mother-infant dyadic behavior have been reported for human and nonhuman primates, including age and gender differences among rhesus macaques. Such findings are tested with data from two developmental periods (Weeks 1-8 and 21-36) on Japanese macaque mother-infant visual behavior. Rate...

journal_title：Developmental psychobiology

authors： Ehardt CL,Blount BG

更新日期：1984-07-01 00:00:00

abstract：:Since both differential rearing and gender have been known to affect maze abilities, the present study examines the performance of male and female hooded rats raised from weaning in either a complex environment (EC) or isolated environment (IC) on the 17-arm radial maze. In two separate replications, EC rats learned t...

journal_title：Developmental psychobiology

authors： Juraska JM,Henderson C,Müller J

更新日期：1984-05-01 00:00:00

abstract：:Infant gerbils were deprived of food by removing their mother from the cage for 3 hr on alternate days, during which time they remained with their father. These infants were compared with a control group which remained with their mother while the father was removed. Litters lost weight when deprived of food but they r...

journal_title：Developmental psychobiology

authors： McCauley PJ,Elwood RW

更新日期：1984-03-01 00:00:00

abstract：:These experiments indicate that by Day 15 after birth, the processes that mediate a number of taste-controlled behaviors in the rat are functional. These include the sensory processes necessary to detect and respond reflexively to sucrose, the event-learning processes that reduce the rat's neophobic reaction to sucros...

journal_title：Developmental psychobiology

authors： Vogt MB,Rudy JW

更新日期：1984-01-01 00:00:00

abstract：:In order to investigate the development of autonomic control and its relation to postnatal illness, healthy term, healthy preterm, and preterm infants who had recovered from respiratory distress syndrome (RDS) were seen around the expected date of their birth, 40 weeks conceptional age (C.A.), and again at 3 months co...

journal_title：Developmental psychobiology

authors： Fox NA

更新日期：1983-11-01 00:00:00

abstract：:The sexual development of C57BL 6/J and SEC/IReJ male mice was studied during twice-weekly pairings with estrus females from 5 weeks of age. SEC were far slower to begin copulating than C57 and their responses to the female included a much higher frequency of rooting. Rooting, where the male's snout is pushed below th...

journal_title：Developmental psychobiology

authors： D'Udine B,Manning A

更新日期：1983-07-01 00:00:00

abstract：:Nutritive deprivation, suckling deprivation, gastronintestinal fill, and milk availability contribute to the control of sucking (as measured by jaw-muscle electromyograph) and ingestion of milk (provided via a tongue cannula) in 11-13-day-old rat pups. Depriving pups of the opportunity to suckle reliably increases sub...

journal_title：Developmental psychobiology

authors： Brake SC,Sager DJ,Sullivan R,Hofer M

更新日期：1982-11-01 00:00:00

abstract：:This study investigates the effects of a biologically relevant stressor, crowding, on the development of neurons in the major teleostean brain area, the optic tectum. Adult jewel fish were reared for approximately 4 years under conditions of moderate density (3.3 liter/fish), or under uncrowded control conditions (25 ...

journal_title：Developmental psychobiology

authors： Burgess JW,Coss RG

更新日期：1982-09-01 00:00:00

abstract：:The performance of bilaterally synchronous wing-flapping by chick hatchlings suggests but does not prove the existence of a bilateral coordinating mechanism. The present research tests for bilateral coordination by using the technique of induced asymmetry. The onset of bilateral wing coordination was defined as the ag...

journal_title：Developmental psychobiology

authors： Provine RR

更新日期：1982-05-01 00:00:00

abstract：:Mongolian gerbils reared in standard laboratory cages and gerbils reared in cages containing a burrowlike shelter did not differ in their rate of development of escape responses to sudden visual stimulation. The presence of shelter in the rearing environment did, however, markedly slow the development of adult-like pa...

journal_title：Developmental psychobiology

authors： Clark MM,Galet BG Jr

更新日期：1982-03-01 00:00:00

abstract：:For the portion of their ontogeny, the juveniles of many mammalian species appear resistant to aggressive attack by adult male conspecifics. The possibility that urinary odors and small size contribute to this immunity from attack was investigated with C57/Bl, A/J, and DW/J laboratory mice. The results of the 1st of 6...

journal_title：Developmental psychobiology

authors： Taylor GT

更新日期：1982-03-01 00:00:00

abstract：:The maternal care received by rat pups malnourished by being rotated between lactating females and nonlactating foster mothers was examined. During the 1st 2 weeks after birth there were no differences in maternal care, but during the 3rd week females caring for pups fed only 8 hr daily nursed more and built better ne...

journal_title：Developmental psychobiology

authors： Fleischer SF,Turkewitz G

更新日期：1981-07-01 00:00:00

abstract：:In Experiment I, rats 13-35 days of age were presented with acoustic startle stimuli in conjunction with light flashes or noise bursts at 4-320 msec lead times. Inhibition of the startle reflex by leading noise bursts was present on Days 13-15, whereas light flashes were not effective until Days 21-23. In Experiment I...

journal_title：Developmental psychobiology

authors： Parisi T,Ison JR

更新日期：1981-07-01 00:00:00

abstract：:Preweanling rats, 15 days of age, were placed in an unfamiliar cage containing 1 of a variety of surrogate conspecific stimuli. The surrogate stimuli consisted of a rat-sized aluminum tube covered with soft fluffy synthetic fur, a tanned rat pelt, felt, and an aluminum sheet. The surrogate was either maintained at amb...

journal_title：Developmental psychobiology

authors： Campbell BA,Raskin LA

更新日期：1981-03-01 00:00:00

abstract：:The Bar Harbor obese-hyperglycemic mouse (ob/ob) characteristically develops its obese phenotype during the postweaning period, when access to food is unrestricted and its behavioral phenotype of hyperphagia appears. In the present study suckling behavior (viz., nipple attachment latencies and total suckling time) of ...

journal_title：Developmental psychobiology

authors： Wilson LM,Chang SS,Henning SJ,Margules DL

更新日期：1981-01-01 00:00:00

abstract：:Kittens studied from 7 days onwards revealed that the earliest age at which cardiac conditioning can be established is 30 days, after some 30 light-electric shock associations. Older kittens showed both cardiac as well as motor conditioning. Animals younger than 21 days old had no well-defined cardiac responses to the...

journal_title：Developmental psychobiology

authors： Bloch SA,Martinoya C

更新日期：1981-01-01 00:00:00

abstract：:In order to examine the effects of cannabinoids, malnutrition, and their possible interaction upon the developing rat fetus, female Wistar rats were exposed to cannabis smoke, placebo smoke, or no smoke while concurrently consuming 1 of 3 diets differing in protein concentration (8%, 24%, 64%). Both the diet and drug ...

journal_title：Developmental psychobiology

authors： Charlebois AT,Fried PA

更新日期：1980-11-01 00:00:00

abstract：:The cardiac orienting response to species-specific songs was measured in young swamp sparrows and song sparrows. Swamp sparrows respond with significantly greater deceleration to conspecific songs than to songs of the sympatric song sparrow. This discriminatory ability is operating during the sensitive period for song...

journal_title：Developmental psychobiology

authors： Dooling R,Searcy M

更新日期：1980-09-01 00:00:00

abstract：:To assess the effects of early postnatal undernutrition upon the developing abilities of infant and juvenile mice to acquire and retain a passive-avoidance response, we reared mice following birth in either "normally nourished" or "undernourished" conditions by maintaining litter sizes of 6 or 16, respectively. At age...

journal_title：Developmental psychobiology

authors： Nagy ZM,Porada KJ,Monsour AP

更新日期：1980-07-01 00:00:00

abstract：:Spontaneous between-limb movement synchronization is described as the amount of concurrent limb movement observed in 7--19-day chick embryos. At early stages, a wing moved as often with the ipsilateral leg as with the contralateral wing. Later, between-girdle (ipsilateral wing-leg) synchronization progressively decrea...

journal_title：Developmental psychobiology

authors： Provine RR

更新日期：1980-03-01 00:00:00

abstract：:The results of this study indicate that birth weight in normal term infants is related to changes in heart rate in response to auditory stimulation. Only infants above the median in birth weight responded to stimulus onset and offset. They exhibited a change in response to onset from a heart rate acceleration (defensi...

journal_title：Developmental psychobiology

authors： Stamps LE

更新日期：1980-01-01 00:00:00

abstract：:Head-turning responses to somesthetic stimulation of the perioral region were studied at weekly intervals in 25 prematurely born infants. No regular changes associated with age were evident. The premature infants were more likely to turn towards than away from a stimulus; however, they were less so than are full-term ...

journal_title：Developmental psychobiology

authors： Lewkowicz D,Gardner J,Turkewitz G

更新日期：1979-11-01 00:00:00

abstract：:Newly hatched domestic chicks were given extended free access to 7 rates of intermittent white light between .5 and 24 flashes per sec. Inspection of the data showed approaches and departures directed toward the light that increased in number and formed an orderly pattern as the rates neared 4 per sec and as the chick...

journal_title：Developmental psychobiology

authors： Simner ML

更新日期：1979-09-01 00:00:00

abstract：:A model depicting 2 horizontally positioned black spots resembling facing eyes, as compared with models depicting other spot arrangements, elicits intense flight activity in young African jewel fish (Hemichromis bimaculatus) under 5 months of age and 7-month-old subadults reared apart from conspecifics with eyeless ca...

journal_title：Developmental psychobiology

authors： Coss RG

更新日期：1979-07-01 00:00:00

abstract：:Lactating females of 2 lines of mice selectively bred for long (LS) and short (SS) ethanol-induced sleep time (a measure of alcohol tolerance) consumed either tap water or 10% ethanol in tap water on Days 2-14 postpartum. Effects of genotype and neonatal treatment on offspring open-field behavior, alcohol-induced slee...

journal_title：Developmental psychobiology

authors： Swanberg KM,Wilson JR,Kalisker A

更新日期：1979-05-01 00:00:00

abstract：:The neurological development of the kitten was studied from birth to 120 days of age. Three motor features present at birth disappeared within the 1st 45 days of life. The labyrinthine head and body righting reactions were present at birth; the latter matured only by 25 days of age when the air righting reaction (matu...

journal_title：Developmental psychobiology

authors： Villablanca JR,Olmstead CE

更新日期：1979-03-01 00:00:00

abstract：:Primiparous female mice of 2 lines genetically selected for different narcotic responses to ethanol were administered 10% (v/v) ethanol in their drinking water during Days 2-14 of lactation. Ethanol treatment resulted in a marked decrease in growth and viability of pups in both lines. Fewer offspring of the ethanol-se...

journal_title：Developmental psychobiology

authors： Swanberg KM,Wilson JR

更新日期：1979-01-01 00:00:00

abstract：:Weanling mice were reared in environmental enrichment and/or impoverishment conditions for 2 months. In the 1st experiment, mice were switched from 1 environment into the other after 1 month, and maintained in the opposite environment for 2 or 4 weeks. Switched and nonswitched groups were compared to establish whether...

journal_title：Developmental psychobiology

authors： Klippel JA

更新日期：1978-11-01 00:00:00

abstract：:Three pigtail infant monkeys (Macaca nemestrina) were separated from their mothers shortly after birth and raised in social isolation on cloth surrogates. At about 24 weeks of age they were surgically implanted with multichannel biotelemetry systems. Following the collection of baseline behavioral and physiological da...

journal_title：Developmental psychobiology

authors： Reite M,Short R,Seiler C

更新日期：1978-09-01 00:00:00

abstract：:Behavior during competition for water was observed in 2 social groups of young rhesus monkeys (3 females, 3 males in each). Monkeys in one group were socially deprived and those in the other were socially experienced (raised with mother and agemates). Social status, based on dyadic recording of displacements at the wa...

journal_title：Developmental psychobiology

authors： Anderson CO,Mason WA

更新日期：1978-07-01 00:00:00

abstract：:Male and female rats (T rats) given an injection of 75 microgram tri-iodothyronine (T3) and 25 microgram thyroxine (T4) on Day 3 after birth were raised under enriched (E) and impoverished (I) postweaning conditions. Observations of their open-field behavior and Days 63 and 112 revealed a higher rate of activity in T ...

journal_title：Developmental psychobiology

authors： Sjödén PO,Lindqvist M

更新日期：1978-07-01 00:00:00

abstract：:Primiparous lactating nice mice whose young were removed on the day of parturition were presented with foster litters of either 12 or 16 day-old young. The adults spontaneously killed young during Day 3-7 of the lactation period, killing more in the 16-pup than in the 12-pup litter. The lactating animal appeared to se...

journal_title：Developmental psychobiology

authors： Gandelman R,Simon NG

更新日期：1978-05-01 00:00:00

abstract：:Infant mice, reared with both parents were subjected to 1 of 4 different early experience contingencies at 3, 6, 9, and 12 days of age. Observation of parental behaviors following return of the pups to the nest revealed that mothers attended more to pups subjected to intermediate levels of stress, with the differences...

journal_title：Developmental psychobiology

authors： Bell RW,Little J

更新日期：1978-05-01 00:00:00

abstract：:The effects of neonatal undernutrition in rats on food and water regulation, external indices of development, and long-term regulatory behavior were investigated. Undernutrition produced retardation in some external indices of development. The ability to eat, drink, and maintain body weight at weaning were not serious...

journal_title：Developmental psychobiology

authors： Look JJ

更新日期：1978-03-01 00:00:00

abstract：:For 34-44 days after weaning one group of rats was raised in a socially enriched environment, whereas another group was raised in isolated individual cages without handling. Following this differential rearing subjects were tested for ingestional neophobia and its attenuation, enhancement of ingestional neophobia by a...

journal_title：Developmental psychobiology

authors： Domjan M,Schorr R,Best M

更新日期：1977-11-01 00:00:00

abstract：:Three experiments with C57BL/10J mice examined the possible roles of cage size and simple motor practice as factors responsible for producing improved performance of animals reared in enriched environments. Neither factor was found sufficient to improve subsequent performance in a food-seeking task. Mice reared in fla...

journal_title：Developmental psychobiology

authors： Henderson ND

更新日期：1977-09-01 00:00:00