Sleep Deprivation
Sensory Deprivation
Family factors affecting child development. (1/28)
In a large, geographically defined population of children a number of family factors in addition to social class, determined by the father's occupation, were recorded by health visitors and school nurses with routine responsibility for these children. The quality of the children in normal schools was assessed in terms of nonverbal IQ and height at the ages of 5 and 10 years, and of behavior as reported by the teacher at the age of 10 years. By analysis of variance the sum of the independent effects of the other family factors greatly outweighed that of occupational social class, except in the case of the IQ at 10 years. The most important of the other family factors was the quality of the mother's care of her child during the first 3 years of life. (+info)Adaptive significance of male parental care in a monogamous mammal. (2/28)
Paternal behaviour presumably evolved because male care of young was critical for offspring survival. We report field evidence indicating that paternal behaviour enhances offspring survival in a monogamous mammal, the biparental California mouse, Peromyscus californicus. Male removal resulted in lower offspring survival in father-absent than in father-present families. New males took up residence with widowed females, but usually after females had stopped lactating, suggesting that the importance of the father is not primarily protection against infanticidal intruders but rather direct care of young. (+info)Separation-induced receptor changes in the hippocampus and amygdala of Octodon degus: influence of maternal vocalizations. (3/28)
Relatively little is known about the basic mechanisms that play a role in the vulnerability of the developing brain toward adverse environmental influences. Our study in the South American rodent Octodon degus revealed that repeated brief separation from the parents and exposure to an unfamiliar environment induces in the hippocampal formation of male and female pups an upregulation of D1 and 5-HT1A receptor density in the stratum radiatum and stratum lacunosum moleculare of the CA1 region. In the CA3 region, only the 5-HT1A receptors were upregulated; no changes were observed for D1 receptors in this region. GABA(A) receptor density in the hippocampus and amygdala was downregulated (nonsignificant trend) after parental separation. The acoustic presence of the mother during parental separation suppressed the D1 and 5-HT1A receptor upregulation in some regions of the hippocampus; no such suppressing influence was observed for the GABA(A) receptors. In the basomedial amygdala, the maternal calls enhanced the separation-induced 5-HT1A receptor upregulation in the male pups, whereas in the female pups the separation-induced receptor densities were not only suppressed by the maternal call but further downregulated, compared with the control group. These results demonstrate that early adverse emotional experience alters aminergic function within the hippocampus and amygdala and that the mother's voice, a powerful emotional signal, can modulate these effects in the developing limbic system. (+info)Facial and bodily correlates of family background. (4/28)
It has been suggested that absence of the father during early childhood has long-reaching effects on reproductive strategy and development of offspring. This paper reports two studies designed to investigate the physical characteristics of daughters associated with father absence. Study 1 used a facial averaging method to produce composite images of faces of women whose parents separated during their childhood (who were 'father absent'), women whose parents remained together, but had poor quality relationships and women whose parents were together and had good quality relationships. Images were then rated by male and female judges. Father absence and poor parental relationships were associated with apparent facial masculinity and reduced attractiveness in daughters. Poor parental relationships were also associated with reduced apparent health. Study 2 compared family background with body measurements and found that father absence or a poor quality relationship between parents were associated with body masculinity (high waist-to-hip ratio) and increased weight-for-height and adiposity. These results highlight the possibility of physical masculinization being associated with purported father absence 'effects'. (+info)Depressive symptoms in adults separated from their parents as children: a natural experiment during World War II. (5/28)
Despite the significance of childhood trauma for later life, there is little evidence on the long-term consequences of parent-child separation. World War II created a unique natural experiment that allowed the authors to test whether 1) evacuation to temporary foster care unaccompanied by either parent and 2) separation from the father because of his military service predicted depressive symptoms later on. Members of the Helsinki 1934-1944 Birth Cohort (n = 1,658) filled out the Beck Depression Inventory (BDI) at the ages of 61.6 (standard deviation: 2.9) and 63.4 (standard deviation: 2.9) years. The mean of the two BDI scores was used as the dependent variable. The data on separation experiences were extracted from the Finnish National Archives and from a survey among the participants. Former evacuees (n = 410) reported 20% (95% confidence interval: 8.7, 33.1) more severe depressive symptoms, and the odds ratio was 1.7 (95% confidence interval: 1.1, 2.6) for having at least mild (BDI score: > or =10) symptoms over time compared with those who were not separated. Those separated from their father because of the father's military assignment (n = 744) did not differ from those who were not separated. (+info)Childhood parental loss and adult hypothalamic-pituitary-adrenal function. (6/28)
(+info)Stability and change in health, functional abilities, and behavior problems among adults with and without Down syndrome. (7/28)
(+info)Early parental deprivation in the marmoset monkey produces long-term changes in hippocampal expression of genes involved in synaptic plasticity and implicated in mood disorder. (8/28)
(+info)Paternal deprivation is not a formal medical diagnosis, but it is a term used in psychology and psychiatry to describe the emotional and psychological impact on a child who has been separated from their father or lacks a positive, involved father figure. This can occur due to various reasons such as death, divorce, incarceration, abandonment, or neglect.
The consequences of paternal deprivation may include:
1. Emotional and behavioral problems: Children who experience paternal deprivation are at risk for developing emotional issues like anxiety, depression, and low self-esteem. They might also exhibit behavioral problems such as aggression, delinquency, and difficulty forming healthy relationships.
2. Attachment difficulties: Secure attachment to a father figure is essential for a child's social and emotional development. Paternal deprivation can lead to insecure attachment styles, which may negatively affect the child's ability to form healthy relationships throughout their life.
3. Cognitive and academic performance: Children who experience paternal deprivation might struggle academically due to cognitive delays or difficulties concentrating on tasks. They are also more likely to have lower educational attainment compared to children with involved fathers.
4. Social development: Paternal deprivation can impact a child's social skills and peer relationships, making them more susceptible to social isolation and loneliness.
5. Vulnerability to mental health issues: Children who experience paternal deprivation are at increased risk for developing mental health disorders later in life, including mood disorders, anxiety disorders, and personality disorders.
It is important to note that the impact of paternal deprivation can vary depending on factors such as the child's age, gender, resilience, and the quality of alternative caregiving relationships. Interventions like therapy, support groups, and family counseling can help mitigate some of the negative effects of paternal deprivation.
Sleep deprivation is a condition that occurs when an individual fails to get sufficient quality sleep or the recommended amount of sleep, typically 7-9 hours for adults. This can lead to various physical and mental health issues. It can be acute, lasting for one night or a few days, or chronic, persisting over a longer period.
The consequences of sleep deprivation include:
1. Fatigue and lack of energy
2. Difficulty concentrating or remembering things
3. Mood changes, such as irritability or depression
4. Weakened immune system
5. Increased appetite and potential weight gain
6. Higher risk of accidents due to decreased reaction time
7. Health problems like high blood pressure, diabetes, and heart disease over time
Sleep deprivation can be caused by various factors, including stress, shift work, sleep disorders like insomnia or sleep apnea, poor sleep hygiene, and certain medications. It's essential to address the underlying causes of sleep deprivation to ensure proper rest and overall well-being.
Sensory deprivation, also known as perceptual isolation or sensory restriction, refers to the deliberate reduction or removal of stimuli from one or more of the senses. This can include limiting input from sight, sound, touch, taste, and smell. The goal is to limit a person's sensory experiences in order to study the effects on cognition, perception, and behavior.
In a clinical context, sensory deprivation can occur as a result of certain medical conditions or treatments, such as blindness, deafness, or pharmacological interventions that affect sensory processing. Prolonged sensory deprivation can lead to significant psychological and physiological effects, including hallucinations, delusions, and decreased cognitive function.
It's important to note that sensory deprivation should not be confused with meditation or relaxation techniques that involve reducing external stimuli in a controlled manner to promote relaxation and focus.
Water deprivation is a condition that occurs when an individual is deliberately or unintentionally not given access to adequate water for a prolonged period. This can lead to dehydration, which is the excessive loss of body water and electrolytes. In severe cases, water deprivation can result in serious health complications, including seizures, kidney damage, brain damage, coma, and even death. It's important to note that water is essential for many bodily functions, including maintaining blood pressure, regulating body temperature, and removing waste products from the body. Therefore, it's crucial to stay hydrated by drinking an adequate amount of water each day.
Food deprivation is not a medical term per se, but it is used in the field of nutrition and psychology. It generally refers to the deliberate withholding of food for a prolonged period, leading to a state of undernutrition or malnutrition. This can occur due to various reasons such as famine, starvation, anorexia nervosa, or as a result of certain medical treatments or conditions. Prolonged food deprivation can have serious consequences on physical health, including weight loss, muscle wasting, organ damage, and decreased immune function, as well as psychological effects such as depression, anxiety, and cognitive impairment.
Psychosocial deprivation is not strictly defined within the field of medicine, but it is a term used in the social sciences and healthcare to refer to the lack or absence of experiences, relationships, resources, and environmental conditions that are essential for psychological and social growth, development, and well-being. It can result from various factors such as poverty, neglect, abuse, separation from caregivers, social isolation, or living in a dysfunctional environment.
Prolonged psychosocial deprivation can lead to significant impairments in cognitive, emotional, behavioral, and social functioning, which may manifest as developmental delays, learning disabilities, mental health disorders, attachment issues, and poor quality of life. Healthcare professionals, particularly those working in mental health, often consider psychosocial factors when assessing and treating individuals to ensure comprehensive care that addresses both medical and environmental needs.
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