Search PubMed⌕ Search

SEARCH · Search PubMed

Results for “HABIT”

Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 451 records · Page 25Linked to original sources
PubMed1990

Age and sex differences in the effects of selective temporal lobe lesion on the formation of visual discrimination habits in rhesus monkeys (Macaca mulatta).

Three-month-old infant monkeys with neonatal ablations of either cortical area TE or the amygdala and hippocampus and age-matched normal infants were trained in a concurrent object discrimination task with 24-hr intertrial intervals. Neonatal area TE lesions yielded a transient deficit in visual habit formation, present in the female monkeys only, whereas the same lesions in adult monkeys yielded a severe and long-lasting deficit in both males and females. Although pointing to a greater neural compensation for the early loss as compared with the later loss of cortical area TE, the results also corroborate a recent suggestion (Bachevalier, Hagger, & Bercu, 1989) that, at 3 months of age, area TE is more fully functional in females than in males. Neither early nor late amygdalohippocampal lesions impaired the ability to form visual discrimination habits, strengthening the proposal that the habit system uses a corticononlimbic circuit.

Aging↗
PubMed2001

Oral habits among adolescent girls and their association with symptoms of temporomandibular disorders.

AIM: To evaluate the contribution of certain parafunctional activities to the presence of temporomandibular disorder (TMD) symptoms among teenage girls, with special emphasis to gum chewing and jaw play. METHODS: A total of 323 girls, aged 15-16 years, were randomly selected from a religious junior high school. The girls responded to a questionnaire on oral habits and TMD symptoms. RESULTS: Gum chewing was a very prevalent habit (62.4%), performed daily (mean chewing time 3.95 h day-1). Girls who chewed intensively (more than 4 h day-1) showed associations with pain in the ear area during function and at rest, as well as with joint noises. Jaw play, although reported by only 14.3%, was significantly associated with pain in the ear area during function and at rest, feeling of tiredness of the jaw while chewing, joint noises, catch and lock. All oral parafunctions, except chewing gum, were associated with jaw play and with each other. CONCLUSIONS: Jaw play was the most detrimental habit in TMD; intensive gum chewing was a potentially contributing factor for joint noises and pain. Oral parafunctions (except chewing gum) were significantly associated between themselves and suggest a behavioural pattern of "jaw hyperactivity".

Adolescent↗
PubMed2006

Relationship of abdominal bloating to distention in irritable bowel syndrome and effect of bowel habit.

BACKGROUND & AIMS: The relationship between the sensation of bloating, often ranked as the most bothersome symptom by patients with irritable bowel syndrome (IBS), and actual distention manifest as an increase in abdominal girth is controversial. Investigation of this problem has been hampered by the lack of a reliable ambulatory technique to measure abdominal girth. The aim of this study was to use the technique of abdominal inductance plethysmography to compare diurnal variation in girth in IBS patients and healthy volunteers, relating these changes to the sensation of bloating. METHODS: Abdominal girth was recorded for 24 hours in 20 IBS-constipation (age, 18-73 y), 20 IBS-diarrhea (age, 25-62 y) and 10 IBS-alternating (age, 21-59 y) female patients meeting Rome II criteria and 20 healthy female controls (age, 18-67 y). All subjects pursued normal daily activities, recording their symptoms of bloating and pain together with bowel habit. RESULTS: All patients with IBS, irrespective of bowel habit, reported significantly greater bloating than controls (P < .0001). Forty-eight percent of patients also showed distention beyond the 90% control range, with this being most prominent in IBS-constipation. Bloating correlated strongly only with distention in IBS-constipation (r > or = 0.48; P < or = .02). Neither bloating nor distention in IBS was related to body mass index, age, parity, or psychologic status. CONCLUSIONS: Abdominal distention is a clearly definable phenomenon in IBS that can reach 12 cm. However, it only occurs in half of patients reporting bloating, and the 2 only correlate in IBS-constipation. Bloating and distention may differ pathophysiologically and this appears to be reflected in the bowel habit subtype.

Abdomen↗
PubMed2003

Evidence for the validity of a sleep habits survey for adolescents.

STUDY OBJECTIVES: To examine the validity of self-reported survey estimates of sleep patterns in adolescents through a comparison of retrospective survey descriptions of usual school- and weekend-night sleep habits with diary-reported sleep patterns and actigraphically estimated sleep behaviors over a subsequent week. DESIGN AND SETTING: High school students completed a Sleep Habits Survey about the previous 2 weeks and then wore an actigraph (AMI, Ardsley, NY) for 8 days while keeping a daily sleep diary. Matched-pair t tests assessed average differences between survey and diary reports and between survey and actigraph estimates. Pearson correlations assessed the extent to which survey reports were in agreement with diary reports and actigraphy estimates. PARTICIPANTS: 302 high school students (196 girls, 106 boys) in grades 9-12 from five high schools. RESULTS: School-night survey total sleep times and wake times did not differ from sleep amounts reported in the diary or estimated by actigraphy; survey bedtimes were slightly earlier. On weekends, survey total sleep times and wake times were longer and later, respectively, than estimated with actigraphy and reported on diaries. Moreover, school- and weekend-night survey variables were significantly correlated both with diary and actigraphy variables. Strengths of the associations were consistently greater for school-night variables than the corresponding weekend-night variables. CONCLUSIONS: The findings support the validity of the Sleep Habits Survey estimates in comparison with diary and actigraphy. Strengths and limitations for survey measures of high school students' usual sleep/wake patterns are discussed.

Adolescent↗
PubMed1995

Bowel habits of normal Thai children.

Bowel habits were assessed in 400 healthy Thai children aged 1-72 months. The study was undertaken principally because information concerning the bowel habits of children living on a non-Western diet is lacking. Ninety-four percent of the children moved their bowels at least once a day. Mean frequency of bowel actions per day was maximal in the newborn period (3.3 stools) and declined to once a day from ages of 48 to 72 months. Most infants younger than 2 months old produced running stools; however, a change in stool consistency from runny to formed was evident in most children by 4 months of age. With increasing age, children produced larger stools: mean volume of stool was 16.6 +/- 2.3 ml at 1 month of age and increased to 35.4 +/- 7.6 ml at 48-72 months. In comparison with Western children, it seems that Thai children pass larger, softer, and more frequent stools. That difference in the bowel habits between the two ethnic groups may reflect the difference in the amount of natural fiber in their diets.

Child↗
PubMedDate not supplied

Habit and skill learning in schizophrenia: evidence of normal striatal processing with abnormal cortical input.

Different forms of nondeclarative learning involve regionally specific striatal circuits. The motor circuit (involving the putamen) has been associated with motor-skill learning and the dorsolateral prefrontal cortex (DLPFC) circuit (involving the caudate) has been associated with cognitive-habit learning. Efforts to differentiate functional striatal circuits within patient samples have been limited. Previous studies have provided mixed results regarding striatal-dependent nondeclarative learning deficits in patients with schizophrenia. In this study, a cognitive-habit learning task (probabilistic weather prediction) was used to assess the DLPFC circuit and a motor-skill learning task (pursuit rotor) was used to assess the motor circuit in 35 patients with schizophrenia and 35 normal controls. Patients with schizophrenia displayed significant performance differences from controls on both nondeclarative tasks; however, cognitive-habit learning rate in patients did not differ from controls. There were performance and learning-rate differences on the motor-skill learning task between the whole sample of patients and controls, however, analysis of a subset of patients and controls matched on general intellectual level eliminated learning rate differences between groups. The abnormal performance offset between patients with schizophrenia and controls in the absence of learning rate differences suggests that abnormal cortical processing provides altered input to normal striatal circuitry.

Adult↗
PubMed1996

Bowel habits of healthy Australian children aged 0-2 years.

OBJECTIVE: To define the bowel habits of healthy Australian children aged up to 2 years. METHODOLOGY: One hundred and forty children were recruited in six age categories with a minimum of 20 children per category. Data on bowel habit was recorded by parents daily for 1 week. RESULTS: Stool frequency decreased with age. Ninety-five per cent of infants 0-14 days passed more than two stools per day compared with 21% at age 13-24 months. Breastfed infants passed more frequent and looser stools than children fed infant formula and solids and also showed a wider variation in frequency. CONCLUSIONS: Mean stool frequency decreased with age as did the variation. This is a combined effect of age and feed type. These data can be used as a guide to the bowel habit of healthy Australian children.

Australia↗
PubMed2006

Well-being of 12-year-old children related to interpersonal relations, health habits and mental distress.

AIM: The main purpose was to examine if interpersonal relations, mental distress, somatic symptoms and health behaviours could be protective or risk factors for the subjective well-being of 12-year-old school children. METHODS: After ethical and parental permission a questionnaire was completed by 807 pupils in the sixth grade of 18 randomised schools in seven rural and urban districts in the north-west area of Stockholm. The questionnaire was a modified version of the WHO Health Behaviour in School-Ages Children Study and the Youth Self-Report Questionnaire. Well-being was measured by the question, 'How are you these days'? Measures of protective or risk factors were relations to parents, teacher/schoolwork and peers, eating and safety habits, somatic symptoms, anxious/depressed and aggressiveness. RESULTS: Logistic regressions were performed with well-being as dependent variable before and after adjustment for gender, which was the only significant background factor. Finally, a multiple logistic regression analysis was conducted with gender and the six significantly related predictors as independent variables. In the multiple model, relations to teacher/school and peers, eating habits, anxious/depressed and somatic symptoms were associated with well-being and yielded significant odds ratios. CONCLUSIONS: Relations to teacher/school, relations to peers and good eating habits could be protective factors for subjective well-being, while somatic and anxious/depressed symptoms may be risk factors for ill-being. This indicates an increased need for interpersonal relations and mental health-oriented, promotive interventions in schools.

Attitude to Health↗
PubMed1995

Burning mouth syndrome: the relationship between the HAD scale and parafunctional habits.

This study investigated 84 patients with burning mouth syndrome (BMS), who were asked to complete a hospital anxiety and depression (HAD) scale questionnaire. A control group of 69 patients was also included. All patients were interviewed regarding parafunctional habits and were subjectively examined for signs of occlusal wear of the natural teeth or dentures. The results demonstrated that parafunctional habits were present in 61% of patients with BMS. There was a statistically significantly relationship between parafunctional habits and anxiety as indicated by the HAD scale, but not with depression.

Age Factors↗
PubMed1999

Building neural representations of habits.

Memories for habits and skills ("implicit or procedural memory") and memories for facts ("explicit or episodic memory") are built up in different brain systems and are vulnerable to different neurodegenerative disorders in humans. So that the striatum-based mechanisms underlying habit formation could be studied, chronic recordings from ensembles of striatal neurons were made with multiple tetrodes as rats learned a T-maze procedural task. Large and widely distributed changes in the neuronal activity patterns occurred in the sensorimotor striatum during behavioral acquisition, culminating in task-related activity emphasizing the beginning and end of the automatized procedure. The new ensemble patterns remained stable during weeks of subsequent performance of the same task. These results suggest that the encoding of action in the sensorimotor striatum undergoes dynamic reorganization as habit learning proceeds.

Action Potentials↗
PubMed2006

Brief review of habit reversal training for Tourette syndrome.

It is well established that Tourette syndrome has a neurobiologic origin. Although pharmacotherapy is the most commonly prescribed intervention, there is considerable evidence to support the use of behavior therapy, specifically habit reversal training, as an alternative or adjunct treatment for some individuals with Tourette syndrome. Unfortunately, many professionals are unfamiliar with habit reversal training. The purpose of this review is to provide readers with a brief review of empiric studies on habit reversal training, update readers on the current state and future of behavior therapy for Tourette syndrome, and provide resources for those readers interested in additional information.

Adult↗
PubMed1992

The relationship between health habits and health interests of students and employees in a nontraditional university.

This study investigated the health interests of students and full-time employees of a small, nontraditional university, and examined the relationships between selected health habits and correlated health interests. Health habits were assessed using the Wellness Check for Adults developed by the Rhode Island Health Department, and interest in health promotion programs was ascertained by the Health Interests Survey modified by the investigator. Significant (p < .05) differences between students and employees were found in their interest in 5 of the 11 health promotion programs listed. Responses to ranking 3 programs of most interest revealed that for students, exercising, weight control, and nutrition were prioritized, whereas employees ranked managing stress, nutrition, and weight control. Results of bivariate analyses (Mann-Whitney U) relating health habits to specific health interests varied in direction of association and significance. The results suggest a need to ask potential participants what health promotion programming they would be interested in attending rather than developing programs based only on identified health risk behaviors. Implications for further research are addressed.

Adult↗
PubMed2005

Sleep-related habits and preferences in older adults: a pilot study of their range and self-rated importance.

This article explores the sleep-related habits of older persons, as well as the level of importance they assign to these practices. A convenience sample of 58 community-dwelling seniors responded to sleep-related items from the Self-Maintenance Habits and Preferences in Elderly questionnaire. Sleep practices varied greatly across individuals, but did not show much systematic difference between men and women. However, as with many health care issues, women rated them as more important than did men. Knowledge of sleep habits and preferences is important so that it can be taken into account by those responsible for planning care for older adults or for aiding their adaptation to a new setting.

Aged↗
PubMed2006

Amphetamine exposure enhances habit formation.

Performance of instrumental actions in rats is initially sensitive to postconditioning changes in reward value, but after more extended training, behavior comes to be controlled by stimulus-response (S-R) habits that are no longer goal directed. To examine whether sensitization of dopaminergic systems leads to a more rapid transition from action-outcome processes to S-R habits, we examined performance of amphetamine-sensitized rats in an instrumental devaluation task. Animals were either sensitized (7 d, 2 mg/kg/d) before training (experiment 1) or sensitized between training and testing (experiment 2). Rats were trained to press a lever for a reward (three sessions) and were then given a test of goal sensitivity by devaluation of the instrumental outcome before testing in extinction. Control animals showed selective sensitivity to devaluation of the instrumental outcome. However, amphetamine sensitization administered before training caused the animals' responding to persist despite the changed value of the reinforcer. This deficit resulted from an inability to use representations of the outcome to guide behavior, because a reacquisition test confirmed that all of the animals had acquired an aversion to the reinforcer. In experiment 2, post-training sensitization did not disrupt normal goal-directed behavior. These findings indicate that amphetamine sensitization leads to a rapid progression from goal-directed to habit-based responding but does not affect the performance of established goal-directed actions.

Amphetamine↗
PubMed1998

Sleep habits in native Brazilian Terena children in the state of Mato Grosso do Sul, Brazil.

Sleep habits in childhood vary in function of physiological factors. Cultural traits also influence sleep habits. This research evaluates sleep habits of Native Brazilian Terena children. The Terena group here studied live in the central region of Mato Grosso do Sul, Brazil, on the plains; they are peaceful and dedicated mainly to agriculture. Two villages were studied, Tereré and Córrego do Meio, both in Reservations. Sleep characteristics of 67 children (40M;27F), 2 to 10 year olds, were evaluated in interviews with their mothers. The results evidenced that cosleeping, in the same bed with family members is the standard Terena pattern present in every evaluated child. The presence of two or more beds and a mean of five or more people in each bedroom was the typical finding. The authors propose that cosleeping and the presence of numerous family members reflect the high values attributed to family links in the Terena culture.

Brazil↗
PubMed2005

[Sleep habits and starting time to school in Brazilian children].

OBJECTIVE: This study investigated the sleep habits in Brazilian children according to age, gender and starting time to school. METHOD: We investigated 2,482 scholars aged 7 to 10 years. We compared sleep habits, gender, and starting time to school (morning and afternoon). RESULTS: Sixty-one per cent of the children presented sleep rituals before sleep. Milk drinking before sleep was more frequent among seven years old children. We found a progressive reduction with age in keeping the lights on. Girls used to leave an object to bed more than boys did. Children that studied in the morning presented reduced total sleep time, sleep earlier, and nap more frequently than children that studied in the afternoon. CONCLUSION: Starting time to school deeply influences sleep habits in Brazilian children from São Paulo City, in whom bed-time rituals are highly prevalent.

Beds↗
PubMed2000

[The relationship between oral habits and malocclusion in preschool children].

OBJECTIVE: To evaluate the way oral habits and speech problems affect dental occlusion in preschool children. METHODS: A random sample of 2,139 boys and girls aged 3-5 years old was evaluated. The children were enrolled in private and state institutions in the city of Bauru, São Paulo State, Brazil. The cross-sectional study was developed in two steps: occlusion assessment, and a questionnaire about their social and economic status. The occlusal anatomical-functional characteristics assessment was done according to Angle classification. Additionally, overjet, overbite, crowding, anterior open bite, posterior crossbite, and anterior crossbite were evaluated. A sub-sample of 618 children filled out the questionnaire. The prevalence of malocclusion and some variables of exposure were tested by bivariate analysis. RESULTS: The prevalence of malocclusion was 51.3% for boys and 56.9% for girls. There was no difference related to gender. In regard to age, there was a higher prevalence of malocclusion in the 3 year-old group, which decreased significantly with age (p<0.05). CONCLUSIONS: Among the environmental factors evaluated, the habit of sucking a pacifier was the most important in the association with malocclusion (OR=5.46) followed by the habit of sucking fingers (OR=1.54). Speech problems did not show any influence in malocclusion occurrence.

Articulation Disorders↗
PubMedDate not supplied

[Personal care habits of individuals over age 65 having no cognitive impairment and residing in the Guadalajara Health Care District].

BACKGROUND: The aim of this study is that of ascertaining the characteristics of the personal care habits of those individuals over age 65 who have no cognitive impairment within the province of Guadalajara who are residents of the community based on the hypotheses that the same are deficient and therefore subject to improvement. METHODS: This is an observational, analytical cross-sectional study within a Primary Care, distinguishing between the urban and rural environments. A questionnaire (involving prior trial and reliability study by means of an analysis of the stability of the answers based on a kappa factor) was given out to a random, layered ample divided into different stages and proportional by age, gender and centers of population. An analysis was conducted of the following variables: A) Personal care habits. A. Personal care--daily washing/dressing: procedure and frequency, Hair Care, Always washing hands before eating and after going to the bathroom; Shaving for men, Oral hygiene. b. Sleep routine. B) Sociodemographic variables. The data was analyzed using proprietary descriptive, analytical and multivariable logistic regression procedures. RESULTS: The losses fell within the 16%-26% range (refusal was found to be the leading cause in the rural environmental and non-location in the urban environment). The sample finally studied included 388 individuals in the rural environment and 392 individuals in the urban environment. Half showered and washed their hair at least once a week. As high as 15% doe not wash always wash their hands before eating and as high as 44% do not do so after going to the bathroom. Over 50% of the males shave using the correct procedure. A high percentage of those missing part of their teeth as well as those completely toothless do not use dentures, and those who do are lacking in hygiene. Sleep routines shows better results. CONCLUSIONS: Personal care habits among senior citizens in our province are patently subject to improvement in all of the aspects analyzed, especially in the rural environment and among males. This should be a priority task under the charge of anyone assigned to the Primary Care Teams.

Aged↗