Physical Development and Puberty Flashcards
Where is the growth hormone located in the brain?
The pituitary gland
Where does the growth hormone travel to, causing muscle and bone growth?
The liver
About how much (%) does the growth hormone secrete during sleep?
80%
As humans grow older, does the recommended amount of sleep increase or decrease?
Decrease, from 14-17 from infancy to 7-8 in seniority
From what age ranges do female and male adolescents begin puberty and when is the “peak”?
Females: 11-15, peak around 12
Males: 13-17, peak around 14
What 2 external factors influence the timing of puberty?
- Genetics - related to mother’s first period
- Environment - stress and access to healthcare and nutrition
What are some psychologically major side effects of undergoing puberty at a younger age?
Coping with bodily changes, increased body dissatisfaction, increased risk of eating disorders
Through what process do synapses disappear after growing in number post-birth?
Synaptic pruning
What does neural plasticity suggest?
Our experiences and environment play a role in how our brain develops
In Romanian orphanages, what are 3 consequences of being raised in such environment?
- Difficulty forming secure attachments with others
- Less socially engaged with others
- Lower cognitive skills
After Romanian children from orphanages were adopted, they caught up in height and weight but how did their environment also alter their bodies?
They experienced earlier puberty
What is perceptual narrowing?
A process where infants use environmental experiences to influence their perceptual abilities
How do infants’ perceptual systems start off and how do they develop?
They start off broad and fine-tune themselves to their environment
What significant finding from the Monkey Recognition Study was discovered with 6 month old participants?
They distinguished monkey faces from another faster than 9 month old participants and adults
True or false: increasing exposure can change the results of a perceptual narrowing experiment.
True
