Questions tagged [developmental-psychology]

For questions involving psychological changes taking place during the lifespan of an individual, not just during infancy or childhood, and using multiple approaches.

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48
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3answers
13k views

If babies were isolated, would they develop their own language?

Let’s say that two or more babies/infants from the age of 0 were put in an environment without the affection of adults to teach them how to speak. Would the babies after 13 or so years develop their ...
32
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2answers
2k views

Neural networks with biologically plausible accounts of neurogenesis

One of the reasons artificial neural net algorithms like cascade correlation (pdf) have been generating interest is because they start with a minimal topology (just input and output unit) and recruit ...
27
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4answers
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Perception of time as a function of age

For many people time seems to run faster as they get older. That is, for an old person an hour, a day or a year seems to be shorter than for a young person. Is there any hard data for such phenomenon?...
23
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1answer
523 views

Development of social cognition as an alternative to the obstetrical dilemma

Human infants are strange in that they are born more helpless than the infants of other great apes. They are born with about 25-30% of their brain developed, compared to the 40-50% of other great apes....
21
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3answers
3k views

Why does neuroplasticity decrease in adults?

Although adult brains are malleable and even undergo limited neuorgenesis, the extent of the neuroplasticiy is much lower than in children. This is most obvious in language acquisition, and recovery ...
20
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2answers
3k views

What is the effect of viewing pornography on children?

It is generally accepted that porn shouldn't be seen by children, and we even sometimes punish parents who fail to stop their children from finding porn. How much are these laws based in science? Can ...
18
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2answers
35k views

What was the experiment where you pour liquid from a tall container to a short one and ask a child which has more?

From Developmental psychology 101 I remember an experiment where the person conducting the experiment would pour liquid from a tall, narrow container into a short, narrow container and ask a child if ...
17
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1answer
3k views

How is a young child able to learn language so easily?

It's a well known fact that the earlier children are exposed to languages the better, as young children have a better ability to learn new languages than adults. Why is this? At what age does a ...
17
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2answers
2k views

What effect do random visitors have on children in orphanages and people in old age homes?

Leading a volunteering team, I've been to an orphanage where the sister (who did a psychology course) running the orphanage was strict that volunteers should spend a minimum of 3 months teaching the ...
17
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2answers
3k views

Why is Asperger Syndrome poorly recognised in France?

Asperger Syndrome is quite well-known in psychiatric circles, as well as (to a lesser degree) the general public, in many countries the western world. However, in France, Asperger Syndrome is ...
14
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1answer
303 views

Computational models of early learning in children

What are currently used biologically plausible computational models/frameworks of early learning in children? Personally, I have used cascade correlation neural nets to model pronoun acquisition in ...
14
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1answer
2k views

Why do humans like being touched?

Why do people like to be touched so much, why would it make sense from a evolutionary perspective. I know people enjoy hugs and company of opposite sex, but even people from the same sex hug and ...
13
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3answers
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What is the effect of motherese on development?

Most cultures (Falk, 2009) have a special type of language that is used to talk to children: infant-directed-speech (IDL; or informally, motherese, baby talk). For instance, Fernald (1992) argues that ...
13
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1answer
463 views

How does neural spiking begin in the fetus?

I'm interested in modeling human brain spiking activity. How does the very first spiking activity begin in the fetus? I imagine all spiking activity is initiated by the senses and internal ...
12
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2answers
451 views

Why do we not remember things from the first couple of years of childhood?

As parents of a soon-to-be three-year-old, my wife and I spend a lot of time planning activities and trips for our son. However, my wife wanted to hold off on some of the big ones (i.e. Disney World),...
11
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1answer
584 views

To what extent are correlations of father's age with birth defects and autism causal?

I read the following in the paper today: Dr Karin Hammarberg ... said that while most children are born healthy, large studies of parental age were starting to show higher rates of birth ...
11
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3answers
5k views

Classification of Attachment Styles

The concept of attachment and different attachment styles has a long tradition in developmental psychology. Mary Ainsworth developed a classification for three different attachment styles that she ...
11
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1answer
151 views

What is the role of traveling waves in circuit formation during cortical development?

Propagating waves of activity have been characterized in various regions of the brain such as the visual cortex (Nauhaus et al., 2012). Recently they have been reported for the first time to occur ...
11
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1answer
127 views

How do our emotions toward a subject affect our brain activity within similar activities?

I'll bring an example: there are people who love to dance and could do it for hours. Yet, if you'd make them run a long distance they would get tired really soon just because they don't like running ...
10
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1answer
194k views

Does masturbation affect brain in long term?

I am interested in knowing. Does masturbation (once daily) affect the brain negatively in terms of: Memory and concentration skills during the long term ? Does it affect it in the short term? After ...
10
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1answer
273 views

Does classical music enhance intelligence in children more than other genres?

This question is based on a previous question I have written on Parenting SE: Does playing classical music for infants and young children make them smarter? Question: Are these claims actually ...
10
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3answers
20k views

What is the effect of scolding kids

Is there any harmful effect of scolding kids. Also does that affect more to kids who are 1 year old or to those who are much older like 5 years and so. By the term scolding I mean: Shouting, ...
10
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1answer
233 views

Are some methods of teaching reading “bad”?

I have a young daughter who I am teaching to read, and I was given a "Your Baby Can Read" DVD set by a friend. When discussing it with friends, several of my teacher friends frowned upon the use of "...
10
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2answers
622 views

Where does the distinction between motives and goals lie in activity theory?

Activity has an hierarchical structure, and can be analyzed at different levels: activities, actions and operations. (Leontiev 1974) (source: interaction-design.org) The top level is activity ...
10
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1answer
2k views

Do children show top-down processing as much as adults do?

There has been much research into how top-down processing works, such as the suggestibility of patients to mishear lyrics based on what the patients are told they are. Is there any research to show ...
10
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1answer
3k views

What types of sounds do young infants prefer?

I've learned through course lectures that infants can recognize faces shortly after birth (Slater & Quinn, 2001), and have a visual preference for human features as young as 1-month-old (Sanefuji ...
10
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0answers
156 views

How to teach parents to apply early childhood interventions to improve cognitive outcomes in children? [closed]

I've watched the "My Brilliant Brain: Born Genius" documentary where they refer to the Abecedarian Project, in that investigation, a group of children that were exposed to early childhood education ...
9
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2answers
2k views

Innate personality tests: do they exist? If not, why?

A personality is developed by innate factors and by the things that happen in your life, but how would your personality be if you either had received the same amount of positive and negative stimuli ...
9
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1answer
656 views

Do victims of parental abuse and neglect become abusive or neglectful parents?

The psychology literature suggests that 'good parenting' in early childhood is a crucial helping factor in brain development of child. (e.g., see "Social Intelligence" by Goleman.) Where people grow ...
9
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1answer
654 views

How does the personality of a successful leader influence the development of his children?

Successful leadership appears to depend on the personality of the leader. Judge et al. (2002) found the following correlations with the "big five" personality factors in a meta-analysis: ...
9
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1answer
272 views

How similar are the brains of twins?

I am currently reading undergraduate essays on biological dysfunction and schizophrenia. The students put a lot of weight in the fact that studies of monozygotic twins show only a 50% rate of ...
8
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2answers
166 views

Is it possible to create artificial thoughts in a childs mind

What I mean is, is it possible to create memories in a childs mind, memories which a child grows up to remember as real events, when infact those events never happened in real life? For example: If ...
8
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2answers
363 views

Conscious basis for gender identification

What conscious experiences lead a transgender person to identify with the opposite sex? Physiology is clearly not determining. Sexual orientation is not determining (homosexuality). Clothing ...
8
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1answer
45k views

How to calculate IQ score based on raw score and adjust for age?

I am having a hard time grasping how IQ scores are calculated. I think it has something to do with their age score ratio multiplied by 100. Say I have a test that holds 30 questions. How would I ...
8
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1answer
550 views

Does breastfeeding lead to increased intelligence?

Several studies suggest that breast-fed babies become more intelligent children than formula-fed babies (e.g., Lucas et al 1992). Questions To what extent overall does research support the ...
8
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2answers
123 views

Is there any research on what causes a pseudo-scientific mindset?

As of late I've been coming across a lot of people online who are convinced that, without much (or any) formal training and often without any collaboration, they have solved a major unsolved problem ...
8
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1answer
3k views

How does raw IQ change over the lifespan at the group-level?

In the classic review of intelligence research (Intelligence: Knowns and Unknowns), Neisser et al (1996) write the following Stability. Intelligence test scores are fairly stable during ...
8
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3answers
853 views

Jung - Anima and Animus

In the book Man and His Symbols Jung discusses the Anima and Animus extensively. As I understand it they are the two primary anthropomorphic archetypes of the collective unconscious. The Anima is ...
8
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1answer
192 views

Is there any evidence of a relationship between learning music and increased ability in Mathematics?

I've had more than one mathematics teacher say to me that they had heard of a link between music and maths ability. I thought I observed it informally myself, but it was difficult to tell if those ...
8
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1answer
12k views

What causes fetishes? Are they sexual disorders?

Why do people have fetishes, such as foot fetishes? How do such fetishes form? Are childhood incidents the main cause of fetishes? Are fetishes a sexual disorder?
8
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1answer
919 views

Is “Karmic Punishment” more effective?

When I was young, my parents consistently used "Karmic Punishments", punishments that had a strong relationship to the misbehavior. They believed that this was more effective. Examples: ...
7
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2answers
582 views

Why do people look in the face or eyes while communicating?

While communicating, people tend to direct their gazes to the face (particularly eyes) of people. Why don't rather we look at their neck or just their chest or even their hair while communicating with ...
7
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1answer
2k views

Is the decline of fluid IQ with age less severe for professors and scientists than it is for other people?

This article in Time magazine suggests that engaging in challenging mental tasks may be associated with lower rates of mental decline in older adults. The article states that: In one study, ...
7
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3answers
404 views

How does parental expectation lead a child from adaptive perfectionism to rebelliousness?

I find many sources saying that parents with perfectionist ideals can ultimately push a child to shed his or her attitude of wanting to please their parents and become rebellious. What I cannot find ...
7
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1answer
2k views

What are the main causes of whether a person becomes introverted or extraverted?

Genetics is obviously an important cause of whether someone becomes extraverted or introverted. But what percentage is genetics and what percentage is the environment? What factors in the environment ...
7
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2answers
1k views

What if people understand or interpret words differently in their mind?

Let's think about it, we have all adopted to learn the meaning of words through experiences or emotions. We didn't learn each and every word from a dictionary. What if I understand a word slightly ...
7
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2answers
4k views

Are Lawrence Kohlberg's stages of moral development supported by empirical evidence?

I've just come across a (very basic) description of Kohlberg's stages of moral development, and I found the section on the Pre-conventional level of moral reasoning rather suprising. In particular, ...
7
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2answers
1k views

What is the most common age for developing psychosis?

Background: Lately I've been watching a lot of Criminal Minds and in the season that I've just finished, one of the main characters - a 20-something Dr. Spencer Reid - is worried that he might be ...
7
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1answer
177 views

Introductory resources on developmental psychology/neuroscience

I'd like to be able to answer questions such as: What neuro/psychological functions underly competences such as empathy (or others - see background below)? What neurotransmitters are of particular ...
7
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1answer
196 views

What causes people to rapidly lose skill after becoming moderately good at something?

I've noticed that people often manage to become moderately good at something, but seem to reach some sort of peak at that level and then rapidly start getting worse again. I've seen this happen with ...