An electroencephalographic study of sleep in young caimans in a colony

The relationship between body temperature, heart rate, breathing rate, and rate of oxygen consumption, in the tegu lizard (Tupinambis merianae) at various levels of activity

“…These findings are in general agreement with previous studies of other reptilian species including crocodilians Warner and Huggins 1978;Meglasson and Huggins, 1979), chelonians (Walker and Berger 1973;AyalaGuerrero et al 1988) and other species of lizards (Tauber et al 1968;Huntley 1987;Flanigan 1973;Ayala-Guerrero and Huitron-Resendiz 1991). We also did not find any distinct EEG frequency bands accompanying either the wake or sleep states.…”

The relationship between body temperature, heart rate, breathing rate, and rate of oxygen consumption, in the tegu lizard (Tupinambis merianae) at various levels of activity

“…These findings are in general agreement with previous studies of other reptilian species including crocodilians Warner and Huggins 1978;Meglasson and Huggins, 1979), chelonians (Walker and Berger 1973;AyalaGuerrero et al 1988) and other species of lizards (Tauber et al 1968;Huntley 1987;Flanigan 1973;Ayala-Guerrero and Huitron-Resendiz 1991). We also did not find any distinct EEG frequency bands accompanying either the wake or sleep states.…”

An electrophysiological correlate of sleep in a shark

“…This variability is reminiscent of early uncertainties in the nonavian reptile sleep literature 50 years ago. For example, reports on the electrophysiological correlates of sleep in caiman (Caiman sclerops, Schneider, 1801) were diverse and included evidence for nonREM sleep-like slow-waves (Meglasson & Huggins, 1979;Warner & Huggins, 1978), yet also no slow-waves and instead high-voltage sharp waves (Flanigan et al, 1973). Similarly, there were reports for (Peyrethon & Dusan-Peyrethon, 1969) and against (Flanigan et al, 1973) REM sleep in caiman.…”

Did Late Pleistocene climate change result in parallel genetic structure and demographic bottlenecks in sympatric Central African crocodiles, Mecistops and Osteolaemus?

“…Crocodilian embryonic development has optimal (28–33°C) and fatal (below 27°C and above 35°C) temperature ranges (Magnusson, Lima, & Sampaio, ). Prolonged climatic cooling events maintaining ambient temperatures below 23°C at the LGM (Bonnefille, Chalié, Guiot, & Vincens, ; Weijers, Schefuss, Schouten, & Sinninghe Damsté, ) likely impacted crocodile populations through decreased reproductive success (i.e., fitness; Joanen & McNease, ), growth and survival (Coulson & Hernandez, ; Perez & Escobedo‐Galván, ; Piña, Larriera, & Cabrera, ) and behaviour (Lang, ; Warner & Huggins, ).…”

The relationship between body temperature, heart rate, breathing rate, and rate of oxygen consumption, in the tegu lizard (Tupinambis merianae) at various levels of activity

“…These findings are in general agreement with previous studies of other reptilian species including crocodilians Warner and Huggins 1978;Meglasson and Huggins, 1979), chelonians (Walker and Berger 1973;AyalaGuerrero et al 1988) and other species of lizards (Tauber et al 1968;Huntley 1987;Flanigan 1973;Ayala-Guerrero and Huitron-Resendiz 1991). We also did not find any distinct EEG frequency bands accompanying either the wake or sleep states.…”

An electrophysiological correlate of sleep in a shark

“…This variability is reminiscent of early uncertainties in the nonavian reptile sleep literature 50 years ago. For example, reports on the electrophysiological correlates of sleep in caiman (Caiman sclerops, Schneider, 1801) were diverse and included evidence for nonREM sleep-like slow-waves (Meglasson & Huggins, 1979;Warner & Huggins, 1978), yet also no slow-waves and instead high-voltage sharp waves (Flanigan et al, 1973). Similarly, there were reports for (Peyrethon & Dusan-Peyrethon, 1969) and against (Flanigan et al, 1973) REM sleep in caiman.…”

Did Late Pleistocene climate change result in parallel genetic structure and demographic bottlenecks in sympatric Central African crocodiles, Mecistops and Osteolaemus?

“…Crocodilian embryonic development has optimal (28–33°C) and fatal (below 27°C and above 35°C) temperature ranges (Magnusson, Lima, & Sampaio, ). Prolonged climatic cooling events maintaining ambient temperatures below 23°C at the LGM (Bonnefille, Chalié, Guiot, & Vincens, ; Weijers, Schefuss, Schouten, & Sinninghe Damsté, ) likely impacted crocodile populations through decreased reproductive success (i.e., fitness; Joanen & McNease, ), growth and survival (Coulson & Hernandez, ; Perez & Escobedo‐Galván, ; Piña, Larriera, & Cabrera, ) and behaviour (Lang, ; Warner & Huggins, ).…”

The relationship between body temperature, heart rate, breathing rate, and rate of oxygen consumption, in the tegu lizard (Tupinambis merianae) at various levels of activity

“…These findings are in general agreement with previous studies of other reptilian species including crocodilians Warner and Huggins 1978;Meglasson and Huggins, 1979), chelonians (Walker and Berger 1973;AyalaGuerrero et al 1988) and other species of lizards (Tauber et al 1968;Huntley 1987;Flanigan 1973;Ayala-Guerrero and Huitron-Resendiz 1991). We also did not find any distinct EEG frequency bands accompanying either the wake or sleep states.…”

An electrophysiological correlate of sleep in a shark

“…This variability is reminiscent of early uncertainties in the nonavian reptile sleep literature 50 years ago. For example, reports on the electrophysiological correlates of sleep in caiman (Caiman sclerops, Schneider, 1801) were diverse and included evidence for nonREM sleep-like slow-waves (Meglasson & Huggins, 1979;Warner & Huggins, 1978), yet also no slow-waves and instead high-voltage sharp waves (Flanigan et al, 1973). Similarly, there were reports for (Peyrethon & Dusan-Peyrethon, 1969) and against (Flanigan et al, 1973) REM sleep in caiman.…”

Did Late Pleistocene climate change result in parallel genetic structure and demographic bottlenecks in sympatric Central African crocodiles, Mecistops and Osteolaemus?

“…Crocodilian embryonic development has optimal (28–33°C) and fatal (below 27°C and above 35°C) temperature ranges (Magnusson, Lima, & Sampaio, ). Prolonged climatic cooling events maintaining ambient temperatures below 23°C at the LGM (Bonnefille, Chalié, Guiot, & Vincens, ; Weijers, Schefuss, Schouten, & Sinninghe Damsté, ) likely impacted crocodile populations through decreased reproductive success (i.e., fitness; Joanen & McNease, ), growth and survival (Coulson & Hernandez, ; Perez & Escobedo‐Galván, ; Piña, Larriera, & Cabrera, ) and behaviour (Lang, ; Warner & Huggins, ).…”