PSYC 280 Chapter Notes - Chapter 13, 14: Basal Metabolic Rate, Leptin Receptor, Paraventricular Nucleus Of Hypothalamus

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17 Feb 2016
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Chapter 13: Homeostasis




 internal stateintended state

 
obligatory losses:

endotherm:

 
ectotherm:
 anaerobic muscular activity
 

 
Negative feedback system: set point 
!

set zone:"
 #$#%&'()**
+
 
denature "

 !

 ,-./

 
0. Redundancy:

1
preoptic area (POA)2

later hypothalamus:

20#
PG 396.
#Behavioural homeostasis:
2
 exposure
 0external
 #surroundings
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!!
"
#*&
A*erents:"  '345
!Neural regions2  
'345
!. 
!behavioural responses2 "'
!'autonomic responses:'   
 

!6"('0*
 7
2   

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+9:
"

;##<
'
basal metabolism:
' 

 77<
0<active behavioural processes

Max Kleiber (1947):
 "'=)*
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"7*)7<

 "

 
tropic
factors!
SIRT1 "
"?@:1 A

=
glucose: 
!glycogen
 "
 glycogenesis
-insulin:


B

glucagon:


B
"
glycogenolysis
!'adipose tissue

gluconeogenesis:
ketones:"

!!
glucose transporters 

 insulin
#2
Cephalic phase:   

0Digestive phase:
 
#Absorption phase:glucodetectors . 

!
glucodetectorsvagus nervenucleus of the
solitary tract (NST) hypothalamus
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