Adol Brain and risk behaviors_BB

Adol Brain and risk behaviors_BB -...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
Adolescent  Development Biological Bases of Behavior Risky Behavior
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Two Major Brain Changes in  Two Major Brain Changes in  Adolescence Adolescence Growth Spurt Chiefly in frontal lobes Reasoning, judgment, and impulse  control Gray Matter Growth Continued myelination Facilitates maturation of cognitive  abilities
Background image of page 2
The Teenage Brain The Teenage Brain Changes in levels of various neurotransmitters,  reacting with amygdala rather than frontal  cortex, and a slowly developing frontal lobe lead  to: Taking risks. Gut reactions. Becoming thoughtful and evaluating mistakes (error  monitoring).
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Frontal Lobe Development Frontal Lobe Development Anterior cingulate cortex (ACC)  connects most advanced part of  frontal lobe with limbic system. ACC important for error-monitoring. Error-related negativity (ERN)  becomes adult-like around 17 or 18. 
Background image of page 4
The social re-orientation of  adolescence (Nelson et al., 2005)
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Neural Regions of the SIPN  Neural Regions of the SIPN  (Nelson et  (Nelson et  al., 2005) al., 2005)
Background image of page 6
Reorganization matters… Peers = increased activation in the affective  node. Hypersensitivity to acceptance and rejection by  peers Depression, externalizing, school adjustment Suicide Early adolescents = problems with parents Late adolescents = problems with romantic relationships Compromised SIPN = Impoverished social  networks Continued change in TOM mechanisms through  late adolescence Cooperation Predicting performance of others
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
RISKY CHOICES RISKY CHOICES Did you know? Did you know? What are the six major health  behaviors leading causes of death and  disability among teens?
Background image of page 8
Risky Choices Risky Choices Six major health behaviors are leading  causes of death and disability among  teens: 1. Injury and violence (accidental injuries,  homicide, suicide) 2. Sexual behavior 3. Alcohol and drug use 4. Tobacco use 5. Nutrition  6. Physical activity
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Causes of Death
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 31

Adol Brain and risk behaviors_BB -...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online